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How can I get query string values in JavaScript?
...rByName('qux'); // null (absent)
Note: If a parameter is present several times (`?foo=lorem&foo=ipsum`), you will get the first value (`lorem`). There is no standard about this and usages vary, see for example this question: [Authoritative position of duplicate HTTP GET query keys](https://sta...
HashMap to return default value for non-found keys?
... getOrDefault is very nice, but requires the default definition every time the map is accessed. Defining a default value once would also have readability benefits when creating a static map of values.
– ach
Aug 4 '14 at 14:19
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How do I initialize a byte array in Java?
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Smallest internal type, which at compile time can be assigned by hex numbers is char, as
private static final char[] CDRIVES_char = new char[] {0xe0, 0xf4, ...};
In order to have an equivalent byte array one might deploy conversions as
public static byte[] char...
What are the differences between the threading and multiprocessing modules?
...vents two threads in the same process from running Python code at the same time. This means that if you have 8 cores, and change your code to use 8 threads, it won't be able to use 800% CPU and run 8x faster; it'll use the same 100% CPU and run at the same speed. (In reality, it'll run a little slow...
Is there a vim command to relocate a tab?
...b using mouse, I can no longer resize the pane using mouse. Instead, every time I click and drag mouse cursor, the tabs rearrange again, as if the mouse click "stuck". Do you have any idea what might be going on here?
– gmile
May 2 '17 at 9:26
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Use of 'const' for function parameters
... a long function written by more than one programmer over a long period of time. I would strongly suggest to write int getDouble( const int a ){ //... } that will generate a compile error when finding ++a;.
– dom_beau
Mar 27 '17 at 3:58
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How to get only time from date-time C# [closed]
...the value 6/22/2009 10:00:00 AM. How do I get only 10:00 Am from this date time.
14 Answers
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Simplest way to detect a mobile device in PHP
...o do, other than answer the question? tell them to use something else each time? i'm new here so im not sure if im supposed to link to the first answer?
– Justin DoCanto
Jun 13 '12 at 3:42
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扩展App Inventor：具有多点触控和手势检测功能 · App Inventor 2 中文网
... the fingers, so that we can rotate an image with correct directions. Each time the user touches the screen with two fingers, there is a line formed by two fingers. When the user rotates with two fingers, a new line will be formed and there is a angle between the previous line and the current line. ...
How do you sign a Certificate Signing Request with your Certification Authority?
...key.
Tweak the fields above to suit your taste. The defaults save you the time from entering the same information while experimenting with configuration file and command options.
I omitted the CRL-relevant stuff, but your CA operations should have them. See openssl.cnf and the related crl_ext sect...