In a nutshell: At the moment’s typical navigation-grade movement sensors are concerning the measurement of a grapefruit, serving to steer ships, planes, and automobiles at the side of GPS indicators. This implies they at all times want satellite tv for pc connectivity to perform, however a brand new breed of ‘quantum compass’ may finally allow us to ditch the satellites totally.
The thought of utilizing quantum know-how for navigation is not precisely novel. The method depends on sensors referred to as atom interferometers that may observe place and movement with none want for GPS satellites. However the issue was that to get the required navigation precision, it needed to be monstrously big to carry six massive atom interferometers – sufficiently big to fill a complete room. Nevertheless, that is altering.
A workforce at Sandia Nationwide Labs has developed ultra-compact optical chips that may energy these quantum navigation sensors in a package deal sufficiently small to stay principally wherever. It is all about changing the cumbersome laser programs usually wanted for the atom interferometers with tiny built-in photonic circuits.
The scientists say that lowering dependency on GPS is necessary as a result of satellite tv for pc indicators may be disrupted or spoofed. This may trigger main complications for army operations or automated transport programs.
“By harnessing the rules of quantum mechanics, these superior sensors present unparalleled accuracy in measuring acceleration and angular velocity, enabling exact navigation even in GPS-denied areas,” mentioned Sandia scientist Jongmin Lee.
One key piece they developed to attain all this can be a modulator that may exactly management and mix a number of laser frequencies from one supply, eliminating the necessity for stacking particular person lasers.
Along with being extra compact, the chips are additionally extra sturdy in opposition to vibrations and shocks. That ruggedness may enable deploying the quantum sensors in all types of difficult environments that will wreck in the present day’s fashions.
Then there’s the fee issue. These room-sized quantum navigation programs aren’t simply bodily big; they’re vastly costly, too: a single laser modulator can run over $10,000. However by utilizing semiconductor manufacturing to supply their chips en masse, the Sandia workforce hopes they’ll drive prices means down to spice up affordability.
“We will make tons of of modulators on a single 8-inch wafer and much more on a 12-inch wafer,” mentioned Sandia scientist Ashok Kodigala.
These purposes may additionally prolong far past simply navigation and GPS backups. The workforce is exploring utilizing the quantum sensors to detect refined gravitational adjustments for mapping underground sources and constructions. The compact optical chips have promising potential in areas like LIDAR, quantum computing, and optical communications, too.
The findings had been important sufficient to be revealed as the duvet story within the journal Science Advances.
I typically wish to rewrite localStorage to implement a sure operate. What are the strategies to rewrite the strategies in localStorage? There are various builders who wish to rewrite the strategies in localStorageto understand the expiration time of the important thing, or to watch the learn and write of the important thing. So what are the strategies to override the strategies in localStorage. That is my forty third Medium article.
Many builders like the concept of rewriting, first conserving the unique technique after which rewriting the strategy instantly on localStorage like beneath.
Nevertheless, this fashion of writing is just not overriding the strategy setItem(), however so as to add a setItem attribute to localStorage. When the worth attribute of the strategy is asserted, the native setItem() technique is overwritten.
I haven’t examined it an excessive amount of, however in some browsers, this attribute will likely be ignored and inflicting our rewriting to fail.
If we glance carefully, setItem and getItem are inherited from Storage __proto__ pseudo property.
Then we instantly override the above localStorage.__proto__ technique.
This implements the true override of the setItem() technique.
However there may be nonetheless an issue right here. Each localStorage and sessionStorage inherit from Storage. After rewriting the properties or strategies on localStorage.__proto__, the strategies in sessionStorage are additionally rewritten.
We don’t instantly modify the strategy of localStorage itself, however wrap a layer on the skin, after which use localStorage to understand the storage operate on the backside layer.
On this approach, the diploma of freedom is comparatively greater, and there’s no compatibility downside in Part 1. Solely the identify used has modified and the properties and strategies in localStorage are fully blocked.
If you wish to use a customized object with out the pack then you’ll want to implement all of the properties and strategies. It’s not doable to mock a way alone just like the above.
Use Object.definePropertyor Proxyequal to fully overriding the localStorage variable. Higher than Part 3 in that the identify has not modified.
4.1 Direct protection, no impact
For those who use the next technique to cowl instantly, it would haven’t any impact.
We get the property descriptor of localStorage by Object.getOwnPropertyDescriptor. It may be discovered that there isn’t a writable: true attribute, which signifies that localStorage is just not instantly writable.
4.2 Overriding with Object.defineProperty
Since there isn’t a writableattribute, we’ll add one to it. We are able to override localStorage with Object.defineProperty.
However you’ll be able to’t use the above writing technique with one layer exterior. For those who instantly give the above myLocalStorage to localStorage then it would generate infinite recursion (to keep away from deceptive, the improper writing technique is not going to be written right here).
I’ve made a backup of localStorage right here. For those who want a local technique then you too can function it.
On this article, we don’t particularly implement a operate equivalent to setting the expiration time. However speak about how you can rewrite localStorage or the strategies in it from one other perspective.
curl is a type of nice utilities that is been round seemingly ceaselessly and has infinite use circumstances. As of late I discover myself utilizing curl to batch obtain recordsdata and check APIs. Generally my testing leads me to utilizing totally different HTTP headers in my requests.
So as to add a header to a curl request, use the -H flag:
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The XHTML
Discover that we place the hyperlinks into…
I received virtually equivalent console output as what you shared above. A sure check of mine wouldn’t even run step one, which advised me it had one thing to do with my ‘DriverUtils’ or my ‘Hooks’.
The start of my characteristic file:
@ProdSmoke @TC1.38 @ARCCP-T138 @TestCaseKey=ARCCP-T138
Situation: Person logs in, clicks important buttons, logs out, logs in, logs out
# navigate to PROD CLIENT PORTAL
Given person navigates to "https://our-website-url.com/login"
And person has entered legitimate prod username and legitimate password
Be aware that my ‘public void setUp()’ technique in Hooks exhibits the tag @UI within the @Earlier than as ‘@Earlier than(“@UI”)’ above it. I in some way had eliminated the ‘@UI’ tag from above the ‘Situation’ line in my Characteristic File. So, I wasn’t calling the ‘setUp’ technique within the very first place. Including that mounted the whole lot, so the start of my Characteristic File seems to be like this:
Characteristic: ARCCP-T001 - Sanity Check of PROD COMPANY Shopper Portal Important Performance
@ProdSmoke @TC1.38 @ARCCP-T138 @TestCaseKey=ARCCP-T138 @UI
Situation: Person logs in, clicks important buttons, logs out, logs in, logs out
Lately, we have now partnered with faculties and universities to remodel their bodily environments into more healthy, extra sustainable, safer locations for studying and work. This weblog shares our conclusions and proposals for adopting IoT and networking applied sciences to create a extra sustainable studying atmosphere in academic establishments.
The necessity for sustainability in faculties and universities
Colleges and universities worldwide occupy huge areas with vital environmental footprints, impacting power, carbon, farmland, forests, soil, and freshwater assets. With an growing deal with local weather and environmental challenges, these points usually affect scholar issues and selections, even earlier than they enter the classroom or select an establishment. Our case research reveal {that a} well-defined sustainability technique in faculties and universities not solely streamlines cost-efficient operations but additionally enhances the establishment’s model notion, particularly when college students and households are deciding the place to review.
Moreover, incorporating sustainability into the curriculum by using faculty or campus knowledge on CO2 emissions, power financial savings, and air high quality elements has confirmed to counterpoint the curriculum in courses like arithmetic, chemistry, or sociology by offering real-world examples that the scholars can examine. Extra broadly, a sustainability technique transforms a college or campus right into a cultural hub inside its neighborhood, empowering the local people to have interaction in discussions about sustainable conduct adjustments and the planet’s future.
Experiences of extra sustainable studying environments
One notable instance is the Wrexham County Borough Council in Wales, UK, the place faculties carried out Cisco’s digital know-how to guard the well-being of scholars and workers whereas reaching value efficiencies.
Different compelling examples of know-how adoption to create extra sustainable studying environments come from vocational areas akin to building, cosmetology, catering, and automotive. These areas face distinctive challenges in defending the well-being of scholars and workers, significantly concerning air high quality, noise management, temperature, and air flow. For example, at The Sabden Multi Academy Belief within the UK, Cisco IoT sensors related to the community detect sawdust in carpentry, fumes in motor mechanics, or chemical substances in hair salons, essential for safeguarding the well-being of scholars and workers.
Confirming the impression of the digital infrastructure to foster sustainability
By integrating a spread of IoT sensors all through the premises into the digital infrastructure for environmental monitoring and management, IT and Services groups can extract helpful knowledge and make knowledgeable selections. This permits them to cut back power payments by shifting away from the “all the time on” state, minimizing pointless in a single day energy utilization, measuring CO2 emissions, and making certain air high quality and temperature are conducive to studying. Moreover, they’ll assess room occupancy and area utilization to optimize them successfully.
In right this moment’s data-driven world, the place proving cause-effect relationships is important, organising the digital infrastructure with sustainability in thoughts and creating centralized visibility of the info captured from related IoT sensors for environmental monitoring allows academic establishments to justify the mandatory investments to help their sustainability methods and meet formidable carbon discount commitments. The dashboard under from Wrexham Colleges, with knowledge collected and analyzed from the digital infrastructure, is an effective instance:
Cisco Meraki Dashboard
References and incentives from governments and non-government organizations (NGOs)
A latest survey by the Joint Info Methods Committee (JISC) within the UK reveals that greater training establishments think about sustainability a prime precedence, with 45% of respondents already having web zero targets in place for 2035 or earlier.
Sensible examples of use circumstances for sustainability in Training
The related IoT platform supplies a relentless stream of information about environmental situations for real-time analytics and might be utilized to sensible use circumstances as under:
Power Consumption Sensors for real-time knowledge analytics, to power payments and monitor CO2 emissions.
Air High quality Sensors for capturing and analyzing knowledge about sawdust, fumes, lingering chemical substances, and pollution to make sure a wholesome atmosphere.
Temperature Sensors to tell when to activate automated programs, akin to ventilating and air filtration programs and air-con, resulting in a safer atmosphere and vital value efficiencies.
Noise Management Sensors for knowledge analytics to deal with acoustic points in vocational studying areas
Cameras, Heatmapping and Alarm programs offering insights into area occupancy and utilization, mapping, wayfinding, and even scholar conduct evaluation for immediate situation decision.
Holistic view to foster sustainability
Sustainability in training establishments require an built-in technique from Educators, IT and Facility Leaders, to enact sensible measures for environmental monitoring, inform curricula, safeguard well being, and to advance sustainability targets.
On the coronary heart of this modification is a dependable, safe, and related digital infrastructure. The adoption of Cisco applied sciences and authorized ecosystem companions has confirmed to assist faculties and universities with safe and real-time knowledge for insights into environmental situations, area utilization, and amenities providers to create smarter, extra sustainable, student-centric studying environments. These efforts supply tangible advantages for operational enhancements and model fame, in the end serving to to guard our planet’s future.
To be taught extra concerning the use circumstances and architectures which can be making a distinction for Training, discover the
