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@selector() in Swift?
... type/memory safety.)
But there are still a number of important ObjC-based APIs that use selectors, including timers and the target/action pattern. Swift provides the Selector type for working with these. (Swift automatically uses this in place of ObjC's SEL type.)
In Swift 2.2 (Xcode 7.3) and later...
Scanner vs. StringTokenizer vs. String.Split
...rent types. It's very flexible, but arguably doesn't give you the simplest API for simply getting an array of strings delimited by a particular expression.
String.split() and Pattern.split() give you an easy syntax for doing the latter, but that's essentially all that they do. If you want to parse t...
Is System.nanoTime() completely useless?
...is implemented using the QueryPerformanceCounter/QueryPerformanceFrequency API [...] The default mechanism used by QPC is determined by the Hardware Abstraction layer(HAL) [...] This default changes not only across hardware but also across OS versions. For example Windows XP Service Pack 2 changed t...
Remove sensitive files and their commits from Git history
... with sensitive data (usernames and passwords, like /config/deploy.rb for capistrano).
11 Answers
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支撑Github的开源技术 - 开源 & Github - 清泛网 - 专注C/C++及内核技术
...bgit2是一个可移植、纯C语言实现的Git核心方法类库，提供API重新链入Git方法。Github的背后使用的原生的git来实现commit、push等功能，但是使用libgit2来针对桌面应用调用、Ruby代码中调用等；
rugged
libgit2的Ruby类库；
bcrypt-ruby...
How to make a function wait until a callback has been called using node.js
...ine that will handle the resulting value:
function(query, callback) {
myApi.exec('SomeCommand', function(response) {
// other stuff here...
// bla bla..
callback(response); // this will "return" your value to the original caller
});
}
So you dont use it like this:
var returnValue...
How can I resize an image using Java?
..., I liked using Scalr. I am curious to know, how did you end up picking an API with all static methods? I had written a similar api which was closer to a builder. Like new ImageScaler(img).resizeTo(...).rotate(...).cropTo(...).toOutputBuffer(). I like your way too and I think it is simpler.
...
Parsing JSON from XmlHttpRequest.responseJSON
...ld browsers.
A long as your request is asynchronous you can use the Fetch API to send HTTP requests. The fetch API works with promises, which is a nice way to handle asynchronous workflows in JavaScript. With this approach you use fetch() to send a request and ResponseBody.json() to parse the respo...
Disable back button in android
...
If looking for a higher api level 2.0 and above
this will work great
@Override
public void onBackPressed() {
// Do Here what ever you want do on back press;
}
If looking for android api level upto 1.6.
@Override
public boolean onKeyDown(int ...
Get the current user, within an ApiController action, without passing the userID as a parameter
How do we get the current user, within an secure ApiController action, without passing the userName or userId as a parameter?
...