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How to compare UIColors?
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#import "UIColor-Expanded.h"
//https://github.com/thetaplab/uicolor-utilities
//RGB distance
CGFloat distance = sqrtf(powf((clr0.red - clr1.red), 2) + powf((clr0.green - clr1.green), 2) + powf((clr0.blue - clr1.blue), 2) );
if(distance<=minDistance){
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How to delete a file via PHP?
...ed myself. Enjoy!
/**
* Unlink a file, which handles symlinks.
* @see https://github.com/luyadev/luya/blob/master/core/helpers/FileHelper.php
* @param string $filename The file path to the file to delete.
* @return boolean Whether the file has been removed or not.
*/
function unlinkFile ( $f...
Is it wrong to place the tag after the tag?
...t;<link rel="stylesheet" href="small.css"></noscript>
See: https://developers.google.com/speed/docs/insights/OptimizeCSSDelivery
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@synthesize vs @dynamic, what are the differences?
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As per the documentation:
https://developer.apple.com/library/mac/documentation/cocoa/conceptual/ObjCRuntimeGuide/Articles/ocrtDynamicResolution.html
@dynamic tells the compiler that the accessor methods are provided at runtime.
With a little bit of...
Extending the User model with custom fields in Django
...rs
Update: Please note that AUTH_PROFILE_MODULE is deprecated since v1.5: https://docs.djangoproject.com/en/1.5/ref/settings/#auth-profile-module
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Use LINQ to get items in one List, that are not in another List
... select od).ToList<string>();
Kudos to http://www.dotnet-tricks.com/Tutorial/linq/UXPF181012-SQL-Joins-with-C
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follo...
Android Emulator: Installation error: INSTALL_FAILED_VERSION_DOWNGRADE
... <manifest android:versionCode to be higher in the AndroidManifest.
or https://stackoverflow.com/a/13772620/632951
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Android Studio Checkout Github Error “CreateProcess=2” (Windows)
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Steps:
1) Download git for windows https://git-scm.com/downloads
2) Install downloaded git with default setup
3) From Android Studio close if any project is open then Click on Configure -> Settings -> Version Control -> Git
4) Change Path to Gi...
Is there a way to change the environment variables of another process in Unix?
...tarting it: it gets the copy of the parent environment, sorry.
See http://www.unix.com.ua/orelly/unix/upt/ch06_02.htm for details.
Just a comment on the answer about using /proc. Under linux /proc is supported but, it does not work, you cannot change the /proc/${pid}/environ file, even if you are ...
Runnable with a parameter?
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Since Java 8, the best answer is to use Consumer<T>:
https://docs.oracle.com/javase/8/docs/api/java/util/function/Consumer.html
It's one of the functional interfaces, which means you can call it as a lambda expression:
void doSomething(Consumer<String> something) {
...