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How do I do base64 encoding on iOS?
...case for Objective C categories.
For Base64 encoding:
#import <Foundation/NSString.h>
@interface NSString (NSStringAdditions)
+ (NSString *) base64StringFromData:(NSData *)data length:(int)length;
@end
-------------------------------------------
#import "NSStringAdditions.h"
static cha...
How can a time function exist in functional programming?
I've to admit that I don't know much about functional programming. I read about it from here and there, and so came to know that in functional programming, a function returns the same output, for same input, no matter how many times the function is called. It's exactly like a mathematical function w...
How can I use a C++ library from node.js?
...ows with Visual Studio. See stackoverflow.com/questions/2045774/… for details on how to do this. Or should I be able to use node-ffi on C++ without a wrapper?
– pancake
May 28 '13 at 2:12
...
How to get an MD5 checksum in PowerShell
...eProvider
$hash = [System.BitConverter]::ToString($md5.ComputeHash([System.IO.File]::ReadAllBytes($someFilePath)))
Starting in PowerShell version 4, this is easy to do for files out of the box with the Get-FileHash cmdlet:
Get-FileHash <filepath> -Algorithm MD5
This is certainly prefera...
由12306.cn谈谈网站性能技术 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...体会到当拨号时代做个图页都不敢用图片的情形（现在在手机端浏览也是这个情形）。我查看了一下12306首页的需要下载的总文件大小大约在900KB左右，如果你访问过了，浏览器会帮你缓存很多，只需下载10K左右的文件。但是我...
@import vs #import - iOS 7
I am playing around with some of the new iOS 7 features and working with some of the Image Effects as discussed in the WWDC video "Implementing Engaging UI on iOS". For producing a blur effect within the source code for the session, UIImage was extended via a category which imports UIKit like so:
...
iOS Detection of Screenshot?
...//tumblr.jeremyjohnstone.com/post/38503925370/how-to-detect-screenshots-on-ios-like-snapchat
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How to enter in a Docker container already running with a new TTY
I have a container that is running the Apache service in the foreground. I would like to be able to access the container from another shell in order to "poke around" inside it and examine the files. At the moment, if I attach to the container, I am left looking at the Apache daemon and cannot run an...
2D cross-platform game engine for Android and iOS? [closed]
...alade user. It's good for a basic game, but if you are looking for some serious advanced gaming stuff, you can also use Cocos2D-x with Marmalade. I've never used Cocos2D-x, but there's an Extension on Marmalade's Github.
Another good thing about Marmalade is it's EDK (Extension Development Kit), whi...
iphone/ipad: How exactly use NSAttributedString?
... in the label, justified, "Hello" in red and " World!" in gray.
Note: In iOS 6+ you can render attributed strings using the attributedText property of UILabel.
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