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Using multiple let-as within a if-statement in Swift
I'm unwrapping two values from a dictionary and before using them I have to cast them and test for the right type. This is what I came up with:
...
Eclipse Build Path Nesting Errors
I'm working on a simple JSP/Servlet/Tomcat webapp for my class. The professor asked us to use a folder structure that is slightly different than the default dynamic web project structure. Rather than using the webcontent folder he wants all of our source code under src/main/java and src/main/webapp....
How to update PATH variable permanently from Windows command line?
...INGCHANGE message with lParam set to the string "Environment". This allows applications, such as the shell, to pick up your updates.
Note that your application will need elevated admin rights in order to be able to modify this key.
You indicate in the comments that you would be happy to modify ju...
Google App Engine: Is it possible to do a Gql LIKE query?
...
BigTable, which is the database back end for App Engine, will scale to millions of records. Due to this, App Engine will not allow you to do any query that will result in a table scan, as performance would be dreadful for a well populated table.
In other words, every q...
What are the Dangers of Method Swizzling in Objective-C?
...void)load. The load class method is executed serially at the start of your application. You won't have any issues with concurrency if you do your swizzling here. If you were to swizzle in +(void)initialize, however, you could end up with a race condition in your swizzling implementation and the runt...
Phase • Animations made easy! - Extensions - Kodular Community
... background-color: #ffffff;
}
#d-splash .preloader-text-wrapper {
color: #000000;
}
}
/* then deal with dark scheme */
@media (prefers-color-scheme: dark) {
html {
background-color: #ffffff;
}
#d-splash .preloader-text-wrapper {
...
How do I deploy Node.js applications as a single executable file? [duplicate]
Supposed I have written a Node.js application, and I now would like to distribute it. Of course, I want to make it easy for the user, hence I do not want him to install Node.js, run npm install and then manually type node app.js .
...
What is this Javascript “require”?
...on with a special purpose: to load modules.
Modules are a way to split an application into separate files instead of having all of your application in one file. This concept is also present in other languages with minor differences in syntax and behavior, like C's include, Python's import, and so o...
Service vs IntentService in the Android platform
...vice and IntentService may be triggered from any thread, activity or other application component.
Runs On
The Service runs in background but it runs on the Main Thread of the application.
The IntentService runs on a separate worker thread.
Limitations / Drawbacks
The Service may block the M...
Camera 扩展：相机拍照和录像，程序控制拍照、自动拍照实现，而无需点击系...
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