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How do I choose between Semaphore and SemaphoreSlim?
Their public interfaces appear similar. The documentation states that the SemaphoreSlim is a lightweight alternative and doesn't use Windows Kernel semaphores. This resource states that the SemaphoreSlim is much faster. In what situations does the SemaphoreSlim make more sense over the Semaph...
Passing Data between View Controllers
...extField and the UILabel.
Set the first and second View Controllers to the appropriate Swift files in IB.
Passing data back to the previous View Controller
To pass data back from the second view controller to the first view controller, you use a protocol and a delegate. This video is a very clear w...
POSTing a @OneToMany sub-resource association in Spring Data REST
Currently I have a Spring Boot application using Spring Data REST. I have a domain entity Post which has the @OneToMany relationship to another domain entity, Comment . These classes are structured as follows:
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Why doesn't JavaScript support multithreading?
... I think never implemented is too narrow a vision. I guarantee web apps will eventually be able to be truly multithreaded (it's only logical, as web apps become more dominant, and hardware becomes more parallel), and as I see it, since JavaScript is the de-facto language of web development, ...
SSH to Elastic Beanstalk instance
...22 | 192.168.1.1/32
Configure the environment of your Elastic Beanstalk Application
If you haven't made a key pair yet, make one by clicking Key Pairs below Security Group in the ec2 tab.
In the AWS console, open the Elastic Beanstalk tab.
Select the relevant region.
Select relevant Environment...
ADB not recognising Nexus 4 under Windows 7
...wever, Eclipse is still not recognising my Nexus 4 when I try to run the application. The Android device chooser pops up, but it doesn't show anything on the hardware section. I've turned debugging, third-party apps, and mock locations all on on my phone as well.
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Scroll Element into View with Selenium
...a sleep might have been implemented to deal with the unknown of the target app. If it has dynamic scrolling, or a single-page app that loads the next bit of the page after scrolling, among other possibilities. Speaking from experience, Selenium has frequently broken my company's site because the aut...
WCF timeout exception detailed investigation
We have an application that has a WCF service (*.svc) running on IIS7 and various clients querying the service. The server is running Win 2008 Server. The clients are running either Windows 2008 Server or Windows 2003 server. I am getting the following exception, which I have seen can in fact be rel...
How to execute AngularJS controller function on page load?
...o NOT use ng-init for that. However imo it depends on architecture of your app.
I used ng-init when I wanted to pass a value from back-end into angular app:
<div data-ng-controller="myCtrl" data-ng-init="init('%some_backend_value%')"></div>
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Adding gif image in an ImageView in android
...View. I am not able to view it as a gif image. No animation is there. It's appearing just as a still image. I would like to know how can i show it as a gif image.
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