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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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How can I change the color of a part of a TextView?
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Here's a colorize function based on andyboot's answer:
/**
* Colorize a specific substring in a string for TextView. Use it like this: <pre>
* textView.setText(
* Strings.colorized("The some words are black some are the default.","black"...
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 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I made a pretty simple block based Reachability wrapper that strips all the outdated C-like Reachability code, poured into a much more Cocoa form.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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