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How can I split a JavaScript string by white space or comma?
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String.split can also accept a regular expression:
input.split(/[ ,]+/);
This particular regex splits on a sequence of one or more commas or spaces, so that e.g. multiple consecutive spaces or a comma+space sequence do not...
Delete empty lines using sed
...y here means, the line contains no chars, or the line contains only empty strings (E.g. spaces). All matched lines will be removed by sed, with the d command.
– Kent
Feb 26 '17 at 19:41
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What is state-of-the-art for text rendering in OpenGL as of version 4.1? [closed]
...x Pulling (D. Rákos, "OpenGL Insights", pp. 239), there is no significant extra latency or overhead associated with pulling vertex data programmatically from the shader on the newest generations of GPUs, as compared to doing the same using the standard fixed function.
Also, the latest generations o...
Why can't Python find shared objects that are in directories in sys.path?
...D_LIBRARY_PATH
Use the first form if it's empty (equivalent to the empty string, or not present at all), and the second form if it isn't. Note the use of export.
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[ :Unexpected operator in shell programming [duplicate]
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POSIX sh doesn't understand == for string equality, as that is a bash-ism. Use = instead.
The other people saying that brackets aren't supported by sh are wrong, btw.
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Throwing exceptions from constructors
...attached has an outdated hyperlink. To fix it wants to change exactly one character, replacing "#faq-17.2" with "#faq-17.8" in the URL. However, Stackoverflow's software requires that an edit submitted by a low-reputation user like me change at least six characters. Pretty obviously, the broken l...
What issues should be considered when overriding equals and hashCode in Java?
...pache Commons Lang library. An example:
public class Person {
private String name;
private int age;
// ...
@Override
public int hashCode() {
return new HashCodeBuilder(17, 31). // two randomly chosen prime numbers
// if deriving: appendSuper(super.hashCode()...
Equivalent of String.format in jQuery
... JavaScript equivalents in MicrosoftAjax of the popular .net methods, e.g. String.format(), String.startsWith(), etc. Are there equivalents to them in jQuery?
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Xcode: What is a target and scheme in plain language?
...y project has two targets, a "normal" build and an "office" build that has extra testing features and may contain several background music tracks and a button to change the track (as it currently does).
You'll be used to adding classes and resources to your default target as you add them.
You can pi...
Android emulator and virtualbox cannot run at same time
...version of Intel Emulator Accelerator HAXM installed (v6.1.1) .
Go to the extras directory of the Android SDK location displayed in the preferences. On MacOS you can do this:
open ~/Library/Android/sdk/extras
Install the HAXM packing by opening IntelHAXM_6.1.1.dmg, then opening IntelHAXM_6.1.1.mpk...