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When to use symbols instead of strings in Ruby?
... saving memory. So every time the interpreter reads :my_key it can take it from memory instead of instantiate it again. This is less expensive than initializing a new string every time.
You can get a list all symbols that are already instantiated with the command Symbol.all_symbols:
symbols_count...
How do I edit the Visual Studio templates for new C# class/interface?
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For Visual Studio 2012, to remove these from the default class.cs file, the item template could look like this (do not include/remove using statements):
Default Class Template file:
C:\Program Files (x86)\Microsoft Visual Studio 11.0\Common7\IDE\ItemTemplates\CSha...
What is the correct file extension for GLSL shaders? [closed]
...s no official extension in the spec. OpenGL doesn't handle loading shaders from files; you just pass in the shader code as a string, so there's no specific file format.
However, glslang, Khronos' reference GLSL compiler/validator, uses the following extensions to determine what type of shader that ...
How to wait for a number of threads to complete?
...t problem, but it's nice to get more Information about the running threads from one Object (like the ExecutorService). I think it's nice to use given features to solve a problem; maybe you'll need more flexibility (thread information) in the future. It's also right to mention the old buggy class...
Can constructors be async?
... can easily encapsulate all the code in an async void method and call that from your constructor, as you mentioned in the question.
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What does `m_` variable prefix mean?
... idea where this common practise of having "gets" with only var name comes from?
– Paiusco
Sep 15 at 19:48
@Paiusco I ...
How to access the correct `this` inside a callback?
...ructor function
new foo(); // `this` will refer to an object that inherits from `foo.prototype`
To learn more about this, have a look at the MDN documentation.
How to refer to the correct this
Use arrow functions
ECMAScript 6 introduced arrow functions, which can be thought of as lambda functions....
How to center icon and text in a android button with width set to “fill parent”
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android:drawableLeft is always keeping android:paddingLeft as a distance from the left border. When the button is not set to android:width="wrap_content", it will always hang to the left!
With Android 4.0 (API level 14) you can use android:drawableStart attribute to place a drawable at the start ...
How to change app name per Gradle build type
...ring/app_name in AndroidManifest.xml files.
Make sure you remove app_name from values/ folder (no entry by this name).
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HTTP GET Request in Node.js Express
How can I make an HTTP request from within Node.js or Express.js? I need to connect to another service. I am hoping the call is asynchronous and that the callback contains the remote server's response.
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