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PHP Remove elements from associative array
I have an PHP array that looks something like this:
9 Answers
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Formula to determine brightness of RGB color
...olor was used. Each color is represented by 2x2 pixels, colors are sorted from darkest to lightest (left to right, top to bottom).
1st picture - Luminance (relative)
0.2126 * R + 0.7152 * G + 0.0722 * B
2nd picture - http://www.w3.org/TR/AERT#color-contrast
0.299 * R + 0.587 * G + 0.114 * B
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How do I format XML in Notepad++?
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if you cant find XML Tools under Plugins, intall it from Plugins > Plugins Manager > Show Plugins Manager
– ala
Apr 3 '12 at 1:56
31
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Deploy a project using Git push
... Make sure you have a .htaccess policy that protects the .git directory from being read. Somebody who feels like URL diving could have a field day with the entire source code if it's accessible.
– Jeff Ferland
May 10 '10 at 21:41
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Parse config files, environment, and command-line arguments, to get a single collection of options
...s an advantage, because users will only have to learn one syntax.) Setting fromfile_prefix_chars to, for example, @, makes it so that,
my_prog --foo=bar
is equivalent to
my_prog @baz.conf
if @baz.conf is,
--foo
bar
You can even have your code look for foo.conf automatically by modifying ar...
WKWebView in Interface Builder
...der *)coder NS_UNAVAILABLE;
which implies that you can't instantiate one from a nib.
You'll have to do it by hand in viewDidLoad or loadView.
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String, StringBuffer, and StringBuilder
...nd operations in the construction of the string) and will only be accessed from a single thread, using a StringBuilder is good enough.
If your string can change, and will be accessed from multiple threads, use a StringBuffer because StringBuffer is synchronous so you have thread-safety.
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How to get thread id from a thread pool?
...messages. Thread ids are unique across threads but don't necessarily start from 0 or 1.
Here is an example matching the question:
import java.util.concurrent.*;
class ThreadIdTest {
public static void main(String[] args) {
final int numThreads = 5;
ExecutorService exec = Executors.newF...
Response.Redirect with POST instead of Get?
... spec, and even the latest, most secure IE7 will redirect the POST request from domain A to domain B without any warnings or confirmation dialogs! Safari also acts in an interesting manner, while it does not raise a confirmation dialog and performs the redirect, it throws away the POST data, effecti...
Git for beginners: The definitive practical guide
... simply a directory containing a special .git directory.
This is different from "centralised" version-control systems (like subversion), where a "repository" is hosted on a remote server, which you checkout into a "working copy" directory. With git, your working copy is the repository.
Simply run gi...