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What is the C++ function to raise a number to a power?
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While pow( base, exp ) is a great suggestion, be aware that it typically works in floating-point.
This may or may not be what you want: on some systems a simple loop multiplying on an accumulator will be faster for integer types.
And ...
Remove/hide a preference from the screen
...n some cases i need completely hide one of the preferences from the screen based on my app state. There is a setEnabled method, but it's not exactly what i want. I want to remove that preference from the screen completely.
Is it possible ?
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What exactly does a jar file contain?
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JAR stands for Java ARchive. It's a file format based on the popular ZIP file format and is used for aggregating many files into one. Although JAR can be used as a general archiving tool, the primary motivation for its development was so that Java applets and their requisi...
angular js unknown provider
...lowski_opensource/DP4Rh/
Disclaimer! I'm maintaining this adapter (written based on AngularJS examples) so I'm obviously biased here.
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What is the maven-shade-plugin used for, and why would you want to relocate Java packages?
...s tied closely into what elasticsearch exposes and how it uses the library based on the internals of how the library works (and that changes between versions), netty and guava are great examples.
Btw, I have no problem with actually providing several jars of elasticsearch, one with lucene not shaded...
What is the best way to test for an empty string with jquery-out-of-the-box?
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Based on David's answer I personally like to check the given object first if it is a string at all. Otherwise calling .trim() on a not existing object would throw an exception:
function isEmpty(value) {
return typeof value...
iOS Detect 3G or WiFi
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I made a pretty simple block based Reachability wrapper that strips all the outdated C-like Reachability code, poured into a much more Cocoa form.
Usage like:
[EPPZReachability reachHost:hostNameOrIPaddress
completition:^(EPPZReachabilit...
do N times (declarative syntax)
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This answer is based on Array.forEach, without any library, just native vanilla.
To basically call something() 3 times, use:
[1,2,3].forEach(function(i) {
something();
});
considering the following function:
function something(){ con...
Remove portion of a string after a certain character
...ff naming the function strip_after_string instead of sas and having a code base full of cryptic initialisms. This is my favorite most readable answer to this question though.
– Anther
Changing image size in Markdown
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The solution based on the alt attribute is very bad and you shouldn't use it, it breaks accessibility.
– Regnareb
Oct 17 '16 at 9:44
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