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Node.js create folder or use existing
...$ npm install mkdirp
Use it to run function that requires the directory. Callback is called after path is created or if path did already exists. Error err is set if mkdirp failed to create directory path.
var mkdirp = require('mkdirp');
mkdirp('/tmp/some/path/foo', function(err) {
// path e...
Format numbers in django templates
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@PawelRoman To avoid the loading of a bunch of filters and tags rarely used (and so make the template rendering faster)
– Maxime Lorant
May 18 '14 at 12:43
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Maximum length of HTTP GET request
...ally configurable somewhere in the server configuration. As to the client side matter, the HTTP 1.1 specification even warns about this. Here's an extract of chapter 3.2.1:
Note: Servers ought to be cautious about depending on URI lengths above 255 bytes, because some older client or proxy imple...
'setInterval' vs 'setTimeout' [duplicate]
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setInterval repeats the call, setTimeout only runs it once.
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Programmatically change input type of the EditText from PASSWORD to NORMAL & vice versa
...application, I have an EditText whose default input type is set to android:inputType="textPassword" by deault. It has a CheckBox to its right, which is when checked, changes the input type of that EditText to NORMAL PLAIN TEXT. Code for that is
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memcpy() vs memmove()
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In general, memcpy is implemented in a simple (but fast) manner. Simplistically, it just loops over the data (in order), copying from one location to the other. This can result in the source being overwritten while it's being read.
Memmove does more work to ensure it handles the overlap correctly....
How to force garbage collection in Java?
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Your best option is to call System.gc() which simply is a hint to the garbage collector that you want it to do a collection. There is no way to force and immediate collection though as the garbage collector is non-deterministic.
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async/await - when to return a Task vs void?
...void return type (for events). If there's no reason to disallow having the caller await your task, why disallow it?
2) async methods that return void are special in another aspect: they represent top-level async operations, and have additional rules that come into play when your task returns an exc...
Returning 'IList' vs 'ICollection' vs 'Collection'
...;T> implements IList<T> but not the non-generic ICollection, then calling IEnumerable<Cat>.Count() on a Thing<Cat> would be fast, but calling IEnumerable<Animal>.Count() would be slow (since the extension method would look for, and not find, an implementation of ICollectio...
How to simulate Android killing my process
...in situations when the user re-selects that task from the home screen. Typically, this is done if the user hasn't visited the task for a certain amount of time, such as 30 minutes.
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