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Aptera Takes Its First Street Journey

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Aptera Takes Its First Street Journey



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Lately, Aptera’s individuals did one thing I’ve mentioned they need to do for years: take the present on the street! In a YouTube video, the corporate confirmed a street journey from Flagstaff, Arizona, again to California within the newest model of the solar-charging two-seater.

What makes this video necessary is that the journey was completed on one battery within the production-intent construct of the car. Which means we’re seeing what the launch version of the car would really do if Aptera can get the funding collectively to really make it to manufacturing. Whereas minor modifications are nonetheless doable, they most likely wouldn’t be one thing the typical individual nor the fanatic would concentrate on with out being advised about them. Aptera is that far alongside within the course of.

As I discussed earlier, the journey was from Flagstaff, Arizona, again to its headquarters in California. The drive began alongside I-40 close to Parks, Arizona, after which to Williams, after which the crew ended up again on previous Route 66 south of the Grand Canyon. The massive windshield confirmed them the views alongside the best way, and the motive force observed that the suspension tuning work had actually paid off.

After taking Route 66 nearly to California, the crew went south alongside the river to Lake Havasu Metropolis and possibly Parker earlier than crossing the river into California. Alongside the best way, many individuals had cameras out to see the weird automobile.

What Aptera Nonetheless Wants To Do

Sadly, there aren’t plenty of particulars in regards to the variety of miles pushed on the journey, common effectivity achieved, or any of that. I’m assuming that Aptera will not be fairly able to reveal all of that info as a result of the corporate continues to be engaged on tuning all the pieces. On a car aiming for the efficiencies this one goals for, even the smallest factor can have critical impacts on vary, so closing manufacturing vary figures merely aren’t out there but.

Hopefully that’s one thing we will see quickly.

One other factor we have to see in movies quickly is what the charging expertise is like. One thing like “provides 100 miles of vary in half-hour” isn’t going to chop it, as that’s not very particular. What we actually have to see are charging curves in order that potential patrons can know what to anticipate throughout charging classes, when’s the perfect time to unplug and go away, and so on. How issues work with Stage 2 and Stage 1 charging would even be fairly helpful for future house owners.

The most important factor to bear in mind for movies like that is that Aptera isn’t a traditional automobile that may have regular advertising completed for it. Tales about Route 66, individuals pointing cameras, what impressed the automobile, and such are enjoyable and a little bit emotional. However, in case you’re going to repeat the model of Prime Gear, full with radio chatter, you’ve gotta get extra of the journey in to hook individuals. Then, you’ll be able to combine within the important particulars that us nerds need.

Hopefully that is simply the primary of Aptera’s journey movies. This system of fielding street journey succesful automobiles is simply getting began, so there needs to be loads of time to get these movies out.

Featured picture by Aptera.

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ios – How can I exploit animation in a TabView for an onboarding movement?

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ios – How can I exploit animation in a TabView for an onboarding movement?


While you navigate by swiping, the index of the at present chosen view most likely does not change till the brand new web page is partially seen. So on this case, the total animation is seen. Nevertheless, if you navigate by tapping the button, the index adjustments earlier than the brand new web page comes into view. This will clarify why plainly there is no such thing as a animation, as a result of it’s primarily occurring off-screen and subsequently not being seen.

There might also be different the reason why the animation is inconsistent, relying on how the TabView pre-loads the view or retains it cached.

Since you’re utilizing a paged Tabview and likewise hiding the web page indicators, you do not actually have to be utilizing a TabView in any respect. You may need extra management of the animation in case you use a ScrollView with sticky conduct as an alternative:

  • The scroll view can include an HStack with .scrollTargetBehavior.
  • The present web page is tracked utilizing .scrollPosition.
  • Sticky scrolling is achieved by utilizing .scrollTargetBehavior. I might advocate utilizing .viewAligned as an alternative of .paging, to keep away from points with protected space insets on units with main or trailing protected space insets (akin to an iPad, or an iPhone in panorama orientation).
  • To workaround the difficulty of the index altering earlier than the view seems, I might recommend basing the animation on whether or not the view is definitely close to the middle of the display screen or not. This may be detected utilizing an .onGeometryChange modifier.
  • When a view is altering from chosen to non-selected, do not scale it again up till it has disappeared off display screen. This implies utilizing a distinct threshold for the animation when a view is shifting into view, in comparison with when it’s shifting out of view.
  • It is usually a good suggestion to clip every view to the web page body, in order that the off-screen scaled model does not overflow into the present model throughout animation.

Because the web page views shall be detecting their very own place, they want to have the ability to replace a devoted state variable. This implies factoring the web page view out right into a separate View.

Whereas we’re at it, I might additionally recommend making the enum Identifiable (and Hashable). You possibly can then keep away from all use of array indices.

Right here is the totally up to date instance to indicate it working:

struct TabDemoView: View {
    var onComplete: (() -> Void)? = nil
    @State personal var currentPage: TabDemoPage? = .pageOne

    var physique: some View {
        VStack {
            ScrollView(.horizontal) {
                HStack(spacing: 0) {
                    ForEach(TabDemoPage.allCases) { web page in
                        PageView(web page: web page)
                            .containerRelativeFrame(.horizontal)
                            .clipped()
                    }
                }
                .scrollTargetLayout()
            }
            .scrollPosition(id: $currentPage, anchor: .middle)
            .scrollTargetBehavior(.viewAligned(limitBehavior: .all the time))
            .scrollIndicators(.hidden)

            Spacer()

            HStack(spacing: 12) {
                ForEach(TabDemoPage.allCases) { web page in
                    let circleSize: CGFloat = currentPage == web page ? 12 : 8
                    let circleColor: Shade = currentPage == web page ? .blue : .grey.opacity(0.5)
                    Circle()
                        .fill(circleColor)
                        .body(width: circleSize, top: circleSize)
                        .animation(.spring(), worth: currentPage)
                }
            }

            Group {
                if currentPage != TabDemoPage.allCases.final {
                    Button("Subsequent") {
                        withAnimation(.spring()) {
                            currentPage = currentPage?.subsequent ?? .pageOne
                        }
                    }
                } else {
                    Button("Get Began") { onComplete?() }
                }
            }
            .padding()
            .foregroundColor(.main)
        }
        .padding(.backside, 40)
    }
}

struct PageView: View {
    let web page: TabDemoPage
    @State personal var proven = false

    var physique: some View {
        Textual content(web page.content material)
            .body(maxWidth: .infinity, maxHeight: .infinity)
            .opacity(proven ? 1 : 0)
            .scaleEffect(proven ? 1 : 4)
            .animation(.spring(), worth: proven)
            .onGeometryChange(for: Bool.self) { proxy in
                let midX = proxy.body(in: .scrollView).midX
                let fullWidth = proxy.dimension.width
                let halfWidth = fullWidth / 2
                return abs(halfWidth - midX) < (proven ? fullWidth * 9 / 10 : halfWidth)
            } motion: { isShown in
                proven = isShown
            }
    }
}

enum TabDemoPage: Identifiable, Hashable, CaseIterable {
    case pageOne
    case pageTwo
    case pageThree
    case pageFour
    case pageFive
    case pageSix

    var id: TabDemoPage {
        self
    }

    var subsequent: TabDemoPage {
        change self {
        case .pageOne: .pageTwo
        case .pageTwo: .pageThree
        case .pageThree: .pageFour
        case .pageFour: .pageFive
        case .pageFive: .pageSix
        case .pageSix: .pageSix
        }
    }

    var content material: String {
        change self {
        case .pageOne:      "Web page One"
        case .pageTwo:      "Web page Two"
        case .pageThree:    "Web page Three"
        case .pageFour:     "Web page 4"
        case .pageFive:     "Web page 5"
        case .pageSix:      "Web page Six"
        }
    }
}

Animation

What’s Regression Testing? (2025 Regression Check Information)

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What’s Regression Testing? (2025 Regression Check Information)


What’s Regression Testing ?

Regression testing ensures that new modifications—whether or not they’re bug fixes, characteristic updates, or system enhancements—don’t break your functions present performance. It’s like having a security web on your software program. Whenever you modify code, regression checks confirm that every thing else nonetheless works as anticipated.

Consider it as a sort of software program testing that focuses on verifying that current code modifications don’t have a detrimental impacted the present performance of an software.

Regression testing methods check with the strategic approaches groups use in software program growth to pick out, construction, and execute checks to make sure that current code modifications don’t adversely have an effect on present software program performance.

For contemporary testing practices, regression testing performs a BIG position in serving to the group preserve steady software program. Particularly in firms that require face-paced growth cycles.

Why?

Properly the extra modifications that happen to your code the better the danger of these modifications inflicting bugs.

To attempt to compensate for this many depend on the method of re-running beforehand executed checks—usually automated—to make sure that every thing that labored earlier than nonetheless works after updates corresponding to bug fixes, enhancements, or new characteristic implementations.

Why is Regression Testing Vital?

Why It Issues

Regression testing is critical for the next causes:

  • It ensures that present performance will not be altered unintentionally.
  • It permits the group to believe in frequent releases particularly in CI/CD pipelines.
  • It minimizes the danger of placing the product to the market by detecting regressions as early as doable.
  • It enhances cross-functional collaboration by placing high quality as a shared duty, regardless of whether or not it’s coded, low-code or no-code options.

So regression testing will not be solely a checkpoint. It ought to work as a it’s a security web that may be a steady one that provides your builders confidence that any code checked in is behaving as anticipated and no new difficulty has been launched. that evolves along with your software program and your group.

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Agile Regression Testing Instance in Follow

Let’s take a more in-depth have a look at how regression testing works with an instance of agile regression testing in apply.

Imaging that you’re growing an e-commerce software and the event group has launched a brand new characteristic that allows customers to use low cost codes throughout checkout.

Sounds straightforward, proper?

However right here’s the catch: it’s essential to be sure that this new characteristic doesn’t break down different functionalities corresponding to including gadgets to the cart, calculating taxes or making funds.

Right here’s how regression testing would come into play:

  • Automated Check Suite: You most likely have already got a collection of automated checks for essential workflows like cart administration, fee processing and order affirmation. These checks are your security web. After the automated check run some groups nonetheless must do a remaining guide check validation.
  • Run Regression Assessments: After the low cost code characteristic is carried out, you’d run the complete regression suite to make sure that nothing else is damaged. For example, you’ll verify whether or not or not including gadgets to the cart nonetheless works and not using a hitch or if the full value calculation continues to be right.
  • Catch Points Early: For example, if a bug is launched as an example, the low cost code causes incorrect tax calculations the regression checks will determine it immediately. Which means that the difficulty is handled earlier than the characteristic is launched to the market.

So how do you make sure that whereas introducing new options and functionalities the core performance of the app will not be compromised in any approach?

That is the place regression testing is available in; you’ll run all of the check instances that you’ve got, manually, and that may be such a chore to do time and again with each model earlier than releasing.

Knowledgeable Level of View: “Automation is a incredible method to actually, one, expedite your testing after which two, save your productiveness since you’re not retesting the identical check case time and again. You possibly can write one code or one scriptless automation for that check case to maintain and retain it after which kick it off when regression comes.”

– Shannon Lee Senior Options Engineer

Testing Knowledgeable examples of learn how to automate regression testing

In a single occasion I ran a number of years in the past I interviews some of us from Sony that defined how they carry out regression testing.

They described the next state of affairs that for the Sony PlayStation group’s Agile method, regression testing is taken into account a “catch-all” suite, containing all characteristic checks, together with nook instances and detrimental checks. It’s run nightly and acts as a safeguard towards unintended negative effects from current merges or deployments​.

Equally, within the Selenium-based automation technique shared by Tony Venditti at a earlier Automation Guild, regression testing is a part of a layered testing method. Whereas Smoke Assessments confirm essential performance shortly, Regression Assessments present broader, deeper check protection and might embody tons of of check instances per software module, generally operating for twenty-four hours to validate performance throughout the system​. Developer are also the primary line of protection creating efficient unit check that act like fast regression checks earlier than the commit code to the construct.

In AI-assisted or model-based approaches, like these utilized by instruments corresponding to Eggplant, Jonathon Wright in a earlier TestGuild Webinar defined that regression testing evolves right into a extra clever course of. These methods can dynamically generate full regression check paths primarily based on person conduct fashions (digital twins), lowering redundant testing and serving to detect points that conventional scripted checks would possibly miss​.

Additionally, due to the elevated use of automated testing instruments and no-code and low-code check automation platforms like Applitools Autonomous, even non-technical group members can take part within the regression testing course of by designing and operating automated checks with out having to put in writing code.

This method enhances check protection and group collaboration within the growth course of making it so regression testing will not be a bottleneck even for groups that don’t have a number of technical assets.

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Regression Testing Instruments and Frameworks

Right here’s a listing of some instruments and frameworks generally used for regression testing in software program high quality that my TestGuild testing group has shared with me: (For a full listing reference my automation testing instruments information)

  • Selenium: It is likely one of the most generally used open-source instruments for testing internet functions. An enormous plus is that webdriver works with completely different actual browsers and programming languages. Making it actually helpful for regression testing.
  • Cypress: It’s identified for its velocity and user-friendly interface, Cypress is especially well-suited for front-end regression testing, particularly for JavaScript-based functions .
  • Playwright: That is one more fashionable software for internet testing, Playwright helps a number of browsers and has many options which are helpful for regression testing, together with learn how to deal with flaky checks .
  • JUnit/TestNG: These are Java-based frameworks which are used for unit and regression testing. They work effectively with CI/CD pipelines and provides a number of element within the report.
  • BrowserStack: It’s a cloud-based platform that allows you to execute regression checks on a number of units and browsers to ensure cross-platform compatibility. Since you might be already operating automated checks in your CI/CD pipeline and utilizing JIRA for traceability, then automation instruments corresponding to Selenium or Cypress might be simply be built-in into your course of.

Know that you recognize WHY regression testing is vital how do you run them n your day-to-day SDLC?

Easy methods to Carry out Regression Testing Strategies

The objective of regression testing methods is to ensure the software program’s stability and reliability after modifications are made.

These are a few of the methods used:

  • Selective Regression Testing: It is a method the place as a substitute of operating the entire check suite, solely check instances which are related to the modified code or the affected areas of the code are run. That is relatively useful particularly in your CI/CD pipelines the place assets and time are involved .
  • Retest-All: It is a course of the place the entire regression check suite is run to make sure that every thing is effectively coated. Though this method is efficient, it’s relatively time consuming and might be really useful for main releases or for essential updates.
  • Danger-Based mostly Regression Testing: Check instances are ordered in keeping with the extent of threat and the doable penalties of failures. Some options are extra essential than others, and subsequently ought to be examined extra usually. That is consistent with your objective of getting traceability and specializing in the enterprise targets. This may be thought-about partial regression testing.
  • Automated Regression Testing: This entails operating check instances which are repetitive so as to save on time and to make sure that there’s consistency. Instruments like Selenium, Cypress, or Playwright can simply be integrated into your CI/CD pipeline to offer you speedy suggestions on each code commit.
  • Progressive Regression Testing: That is the method of periodically revising and enhancing the regression check suite when new options are being built-in or when previous options are being eliminated. This manner, the checks are stored updated and stay helpful sooner or later.

Now that you recognize the WHY and How what are some standard testing methods you can begin utilizing immediately?

Knowledgeable Level of View: “With lengthy sequence regression testing, we take a subset, we take those which are passing and we run these regularly till there is a failure or different exit situation.”

– Paul Grizzaffi, Principal Automation Architect

Kind of Regression Testing Strategies

Regression testing methods are the systematic methods that groups use to pick out, set up, and conduct checks to ensure that current code modifications haven’t destroyed present software program performance.

From the shared periods and use instances, the next had been an important methods talked about on my podcasts. webinars and programs:

1. Full Regression Testing

This method means re-executing the entire check suite to make sure that no performance of the appliance has been affected by the modifications made. It’s usually performed earlier than a brand new model of the product is launched or when there was a serious modification of the code.

Instance: Sony PlayStation performs full regression checks each night time that embody all of the practical check instances, together with the primary eventualities, boundary values and error paths.

2. Smoke + Focused Regression

Groups carry out fast smoke checks to verify essential paths, then carry out regression testing on the affected areas.

Instance: At Sony, code modifications can’t be merged except they go a fast “sanity” check after which broader “smoke” checks are initiated each two hours to determine regressions.

3. Automated Knowledge-Pushed Testing

Regression checks are enriched by the appliance of information pushed approaches, the place the identical check situations are utilized to completely different enter values.

Instance: Each code (TestNG) and no-code (Applitools Autonomous) approaches confirmed how parameterized testing can assist improve protection with out having to duplicate check logic.

4. Cross-Browser and Cross-Gadget Execution

With the intention to obtain platform independence, groups carry out regression checks on a number of browsers and units. It may be performed sequentially or in parallel.

Approach Variance:

Selenium with parallel execution by way of native or grid setups.

No-code instruments can combine with cloud grids to simplify cross-browser execution.

5. Visible Regression Testing

This consists of checking visible outputs (screenshots) of the appliance to determine any modifications within the person interface that aren’t anticipated.

Instance: Sony employs Applitools to automate localization and UI verification in additional than 100 languages and makes use of present practical checks to check visually.

6. Efficiency-Conscious Regression

Some groups take their regression suites to the following degree by incorporating efficiency metrics to detect efficiency regressions along with practical regressions.

Instance: Sony reuses present practical regression checks with added telemetry to trace metrics like “time to work together” and generate efficiency stories.

7. CI/CD Integration for Steady Regression

Up to date groups incorporate regression testing into CI/CD pipelines to get steady suggestions on each commit or launch.

Instance: Eggplant can connect with CI instruments corresponding to Jenkins or Azure DevOps to run regression checks mechanically at each stage of the discharge.

Approach Use Case
Full Regression Main releases, nightly builds
Smoke + Focused Frequent commits, merge gates
Knowledge-Pushed Scaling check protection
Cross-Browser/Gadget Guaranteeing constant UX
Visible Regression Detecting UI bugs
Efficiency-Conscious Monitoring person expertise
CI/CD Integration Steady validation

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Regression Testing vs Retesting: Distinction

After interviewing over 600 software program engineers and testers I’ve discovered that regression testing and retesting are sometimes confused, however they serve distinct functions within the testing course of:

  1. Regression Testing: It ensures that the current code modifications haven’t prompted any detrimental affect on the present functionalities. It’s like a security web on your software, verifying that what labored earlier than nonetheless works now. For instance, when you add a brand new characteristic to your app, regression testing checks that different unrelated components of the appliance, like login or checkout, are usually not affected. It’s often automated and embedded in CI/CD pipelines for the sake of effectiveness .
  2. Retesting: It’s used to verify that sure defects are resolved. It’s targeted and guide, and might embody re-execution of the identical check instances that had been failed earlier. For example, if a bug within the fee gateway was reported and stuck, retesting is used to make sure that the repair is right.

Briefly, regression testing is about protecting the appliance steady, whereas retesting is about proving that sure issues are fastened. Each are vital however have completely different goals in your QA technique.

One other difficulty I usually hear about is groups struggling to create good regression check instances.

So let’s check out that now.

Easy methods to outline a Regression Check Case?

It begins with defining the goal of writing a regression check case: to ensure that present performance is preserved post-change. Right here’s how one can outline one successfully:

  • Determine Core Functionalities: This could embody features which are vital for the operating of your software or these which are standard with the person. For example, in an e-commerce software, this will likely embody the person login, including gadgets to the basket, and making a fee.
  • Analyze Impression Areas: Decide the areas of the appliance that could be impacted by the current code modifications. You should use JIRA that you simply already combine for traceability to chart out the dependencies and doable areas of affect .
  • Static and Consumer-Targeted: Regression check instances ought to be user-focused relatively than primarily based on the practical necessities. They’re a static suite which is simply modified when new options are added or previous options are eliminated. This manner, they continue to be related and person targeted ‌1‌.
  • Prioritize Check Instances: Take a risk-based method to find out which check instances to run. Areas of excessive threat or these with a historical past of bugs ought to be given precedence.
  • Automate The place Doable: Since you might be implementing automated checks into your CI/CD pipeline, deal with automating regression check instances for effectivity and consistency.
  • Documentation: Every particular check case ought to have a transparent goal, preconditions, steps and anticipated outcomes. This makes them easy to understand and maintain. Additionally, don’t neglect to spend time on crafting check run stories that permit for straightforward debugging of check outcomes.

Moreover creating regression testing instances what are another frequent challenges?

Knowledgeable Level of View: “The worth for automation in regression in the long term is the following model, in order that it cuts down on the time you need to spend on the following go round doing all of the work that you simply did this time.”
– Jon Robinson, Head of Salesforce @ TestSigma

Challenges in Regression Testing (Cons)

Though regression testing performs an important position in your software program growth course of it isn’t with out its issues.

What are they?

Let’s break them down:

  • Time-Consuming: Working a full regression suite, particularly for giant functions, can take a number of time. Due to this fact, prioritization and automation are essential to allow it to be manageable .
  • Check Upkeep: Your software will change over time and so ought to your regression checks. It may be very time consuming to maintain them up to date with new options and remove pointless ones, particularly when coping with brittle check scripts.
  • Flaky Assessments: Some automated regression checks could fail often due to components like timing, setting points, or dependency issues. Instruments like Playwright or Cypress can help with this however it’s nonetheless a typical problem ‌.
  • Useful resource Intensive: Regression checks require a number of assets to execute, particularly when performed throughout completely different environments or units. Options corresponding to BrowserStack primarily based on cloud can assist resolve this drawback .
  • Figuring out Impression Areas: You will need to know which components of the appliance are influenced by the modifications and that is solely doable with good traceability. Your JIRA integration for mapping checks to necessities is a superb step in addressing this problem.
  • Balancing Protection and Effectivity: It’s at all times difficult to get excessive check protection with no extreme overhead on the pipeline. Danger-based testing can help in figuring out essential areas which have to be prioritized to make sure that vital functionalities are correctly examined .

Greatest Practices for Easy methods to Implement Regression Testing

Listed here are some finest practices for regression testing that may assist preserve your course of environment friendly and efficient:

  1. Prioritize Danger-Based mostly Testing: Deal with check instances that cowl high-risk areas or essential enterprise functionalities. This lets you deal with an important instances and never spend an excessive amount of time on much less vital ones. For example, one can deal with the straight by check instances that depict the primary person journeys with the best enterprise worth.
  2. Make it possible for your builders are operating unit regression testing frequently throughout growth. Many use the TDD method.
  3. Automate Strategically: Automate the check instances which are repetitive and are usually not susceptible to vary so as to save on time and to reinforce the reliability of the outcomes. Since you might be already integrating automated checks into your CI/CD pipeline, instruments like Selenium or Cypress can help on this course of.
  4. Keep Your Check Suite: Modify your regression check suite now and again to embody modifications within the software. Pointless checks ought to be eradicated and new checks ought to be created for brand spanking new options which have been added. It makes your suite efficient and reduces the hassle required to keep up it.
  5. Leverage Traceability: Use your JIRA integration to hint check instances to necessities and modifications. This helps to shortly determine affected areas and assure correct protection .
  6. Run Assessments Early and Typically: Run the regression checks in your CI/CD pipeline to detect issues as early as doable. This manner, the frequency of testing might be diminished so as to not let bugs get into the manufacturing.
  7. Monitor and Deal with Flaky Assessments: Be taught to work with flaky checks which go some checks and fail others. Instruments like Playwright or Cypress can help in enhancing the soundness of your automation scripts.
  8. Use Cloud-Based mostly Options: For cross-platform testing, platforms like BrowserStack might be helpful in saving assets and be sure that the product is appropriate with completely different units and browsers .

Knowledgeable Level of View: “One of many methods to manage prices is to run a small pattern of checks primarily based on an affect evaluation. It’s most likely one thing we already do with regression testing, after which primarily based on these outcomes, suppose very critically about whether or not some other checks have to be run.”
– Lee Barnes, Chief High quality Officer @ForteGroup

QA Regression Testing at Scale

The method of increasing agile growth regression testing turns into complicated however correct basis work mixed with finest practices solves the issue. The next steps will show you how to optimize your check instances for optimum effectiveness:

  • Your check instances have to be designed for scalability from their preliminary creation by utilizing modular elements which are reusable and maintainable. The implementation of constant coding requirements and conventions all through groups represents an important requirement. The mixture of code critiques and automatic sniffers gives efficient consistency upkeep in multi-sprint environments.
  • At scale, automation stands as your most beneficial asset. Deal with automating steady, repetitive check instances and combine them into your CI/CD pipeline. Check automation executed usually detects unstable checks and produces dependable outcomes that develop into important when growth happens.
  • Crawl, Stroll, Run, Fly: Do not attempt to automate every thing directly. Start with a small implementation then exhibit its effectiveness earlier than increasing additional. The tactic prevents builders from getting into the intensive upkeep course of which ends from speedy growth. Your technique ought to be refined by common retrospectives which show you how to handle tech debt and deal with gaps in protection.
  • The scalability of check efforts turns into restricted by check information and setting dependencies. Check information administration ought to be centralized whereas groups should preserve setting consistency. The method reduces check failures which outcome from information or configuration mismatches between completely different environments.
  • Giant check scopes ought to be divided into smaller check models which cut back their total affect. The method permits sooner growth cycles and less complicated debugging processes whereas delivering extra exact testing strategies. System stability relies on figuring out potential impacts by isolation procedures.

Wrap-Up

I hope this helped both your present testing efforts or encourages to to begin regression testing.

Taking these finest practices and professional really useful approaches ought to enhance your software program growth lifecycle.

From Phoenix to Vegas on Photo voltaic Energy (Largely)

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From Phoenix to Vegas on Photo voltaic Energy (Largely)



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In one other current article, I shared a video from Aptera concerning the firm’s first street journey from Flagstaff to California. However, as everyone knows, it takes a good quantity of juice to hold one thing as huge as a automobile from A to B. It’s loads much less vitality than it takes to hold a combustion automobile (warmth and conversion losses are a B-word), however even EVs can do higher, as Aptera is attempting to show through the use of 3 times much less energy.

However, one other factor everyone knows is that it takes even much less energy to maneuver a micromobility automobile, like an e-bike or an electrical scooter. An electrical motorbike makes use of much less energy and emits much less per particular person than driving a practice, and e-bikes are even cleaner. About the one cleaner types of transport are common bikes (no electrical motor) and strolling. Contemplating that biking and strolling have related carbon emissions (from our mouths because of the further pressure over sitting nonetheless), there’s no such factor as zero carbon — however an e-bike is about as shut as you may get with out breaking a sweat!

Whereas e-bikes are nice for native commuting in first rate climate and nice for enjoyable rides, they’re not nice in any respect for street journeys. Restricted battery vary, low speeds, and publicity to the weather could make for a not-so-great expertise. Nonetheless, in a YouTube video I not too long ago got here throughout, at the very least one in every of these issues was tackled.

Whereas the Arizona, California (briefly), and Nevada solar didn’t give up shining for a lot of the journey, and speeds didn’t go a lot over 20 MPH, the issue of restricted battery vary was just about solved when he added a photo voltaic panel to somewhat cargo trailer. The trailer was additionally helpful for issues like meals, a tent, and different street journey provides, in order that wasn’t a lot further drag.

The route took him alongside Freeway 60 out of Phoenix, however he didn’t take the traditional route up Freeway 93 (future Interstate 11) that most individuals absorb automobiles. As a substitute, he caught with 60 again down towards I-10 after which took a small state freeway as much as Parker and Lake Havasu Metropolis. The primary night time was spent in Hope, Arizona, at an RV park, after which the second night time was spent at a lodge close to Lake Havasu (to get a break from tent residing). 

Alongside the best way, battery energy wasn’t continuously held up by the solar. In some circumstances, when decrease pedal help was sensible, the photo voltaic panel may sustain with motor demand, preserving the battery nearly full. However, when there have been hills, wind, or different elements making for extra energy consumption, the battery can be depleted, even when far more slowly. Alongside the best way, he’d cost his e-bike battery when doable at shops, and he’d additionally cease for breaks to let the photo voltaic panel catch up. At these stops, he’d tip the panel towards the solar for sooner charging utilizing an “optimizer” (a random stick from the desert).

Over 5 days (and a bunch of flats), he managed to get to Vegas and obtain the aim. Alongside the best way, he proved that with sufficient persistence, you may get there on principally solar energy. However, he additionally confirmed that e-bikes could possibly be loads higher in the USA. If everybody may simply load an e-bike on an electrical practice and get to the place they’re going, issues could possibly be loads simpler.

Featured picture: a screenshot from the embedded video.

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What the UK ought to – and shouldn’t – do about semiconductors – Delicate Machines

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What the UK ought to – and shouldn’t – do about semiconductors – Delicate Machines


What ought to be within the long-delayed UK Semiconductor Technique? My earlier sequence of three blogposts set out the worldwide context, the UK’s place within the international semiconductor world, some ideas on the longer term instructions of the business, and a number of the choices open to the UK. Right here, in abstract, is a listing of actions I feel the UK ought to – and shouldn’t – take.

1. The UK ought to… (& there’s no excuse to not)

The UK authorities has dedicated to spending £700m on an exascale laptop. It ought to specify that processor design ought to be from a UK design home. After a long time of speaking about utilizing authorities procurement to drive innovation, the UK authorities ought to give it a strive.

Why?
The UK has actual aggressive power in processor design, and this sub-sector will turn into increasingly vital. AI calls for exponentially extra computing energy, however the finish of Moore’s legislation limits provide of computing energy from {hardware} enhancements, so design optimisation for purposes like AI turns into extra vital than ever.

2. The UK ought to… (although it most likely gained’t, as it will be costly, troublesome, & ideologically uncomfortable)

The UK authorities can buy ARM outright from its present proprietor, SoftBank, and float it on the London Inventory Change, whereas retaining a golden share to stop a subsequent takeover by an abroad firm.

Why?
ARM is the one UK-based firm with internationally important scale & attain into international semiconductor ecosystem. It’s the only anchor firm for the UK semiconductor business. Possession & management issues; ARM’s present abroad possession makes it susceptible to takeover & expatriation.

Why not?
It could price >£50 bn upfront. Most of this cash could be recovered in a subsequent sale, and the federal government may even make a revenue, however some cash could be in danger. Nevertheless it’s price evaluating this with the precedent of the publish GFC financial institution nationalisations, at an identical scale.

3. The UK shouldn’t… (& virtually actually not doable in any case)

The UK shouldn’t try to create a UK based mostly manufacturing functionality in forefront logic chips. This might must be completed by one of many 3 worldwide corporations with the required technical experience – TSMC, Intel or Samsung.

Why not?
A single forefront fab prices >£10’s billions. The UK market isn’t anyplace close to large enough to be enticing by itself, and the UK isn’t ready to compete with the USA & Europe in a $bn’s subsidy race.

Furthermore, a long time of neglect of semiconductor manufacturing most likely means the UK doesn’t, in any case, have the abilities to function a forefront fab.

4. The UK shouldn’t…

The UK shouldn’t try to create UK based mostly manufacturing functionality in legacy logic chips, that are nonetheless essential for industrial, automotive & defence purposes. The lesser technical calls for of those older applied sciences imply this might be extra possible than manufacturing forefront chips.

Why not?
Manufacturing legacy chips could be very capital intensive, and new entrants need to compete, in a brutally cyclical world market, with current vegetation whose capital prices have already been depreciated. As an alternative, the UK must work with like-minded international locations (particularly in Europe) to develop safe provide chains.

5. Warrants one other look

The UK may safe a place in some area of interest areas (e.g. compound semiconductors for energy electronics, photonics and optoelectronics, printable electronics). Focused assist for R&D, innovation & expertise, & seed & scale-up finance may yield regionally important financial advantages.

6. How did we find yourself right here, and what classes ought to we study?

The UK’s restricted choices on this strategically vital know-how ought to make us mirror on the choices – implicit and express – that led the UK to be in such a weak place.

Korea & Taiwan – with much less ideological aversion to industrial technique than UK – rode the wave of the world’s quickest growing know-how whereas the UK sat on the sidelines. Their financial efficiency has surpassed the UK.

What the UK ought to – and shouldn’t – do about semiconductors – Delicate Machines

Actual GDP per capita at buying energy parity for Taiwan, Korea and the UK. Based mostly on information from the IMF. GDP at PPP in worldwide {dollars} was taken for the bottom yr of 2019, and a time sequence constructed utilizing IMF actual GDP development information, & then expressed per capita.

The UK can’t afford to make the identical errors with future know-how waves. We want a correctly resourced, industrial technique utilized persistently over a long time, rising & supporting UK owned, managed & domiciled innovative-intensive corporations at scale.

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