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What are the uses of “using” in C#?
User kokos answered the wonderful Hidden Features of C# question by mentioning the using keyword. Can you elaborate on that? What are the uses of using ?
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How to develop or migrate apps for iPhone 5 screen resolution?
The new iPhone 5 display has a new aspect ratio and a new resolution (640 x 1136 pixels).
30 Answers
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iOS app, programmatically get build version
Is there a way to programmatically get the build version of my app? I need to be able to detect when the user has updated the app through the AppStore, in order to execute some code for adjustments
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Execute raw SQL using Doctrine 2
...color
$sql = "SELECT name FROM user WHERE favorite_color = :color";
//set parameters
//you may set as many parameters as you have on your query
$params['color'] = blue;
//create the prepared statement, by getting the doctrine connection
$stmt = $this->entityManager->getConnection()->pre...
Fastest way to flatten / un-flatten nested JSON objects
..., {f: 1}]}}]})
* // return {a: 1}
* flatten({a: 1, b: [], c: {}})
*
* @param obj item to be flattened
* @param {Array.string} [prefix=[]] chain of prefix joined with a dot and prepended to key
* @param {Object} [current={}] result of flatten during the recursion
*
* @see https://docs.mongodb...
Xamarin 2.0 vs Appcelerator Titanium vs PhoneGap [duplicate]
After all IDE evolutions (all platforms on topic are changed) of this year, i'm looking to understand what is the state of technology for those platforms.
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Maximum size of a element
...reds of thousands of pixels. However, after a certain number of pixels (obviously unknown), the canvas no longer display shapes I draw with JS.
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How to get the return value from a thread in python?
...g this can be done with a list of threads. futures = [executor.submit(foo, param) for param in param_list] The order will be maintained, and exiting the with will allow result collection. [f.result() for f in futures]
– jayreed1
Jun 4 at 21:29...
为AppInventor2开发自己的拓展(Extension) - App Inventor 2 拓展 - 清泛IT社区，为创新赋能！
来源中文网文档：https://www.fun123.cn/reference/extensions/aix_dev.html
为什么需要开发拓展？App Inventor 2 是积木式在线安卓开发环境，利用拖拽式的方式实现代码块堆叠，从而完成相应的逻辑。上手很容易，但是由于代码块提供的功能...
What is the best Battleship AI?
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}
public static ReadOnlyCollection<Ship> MakeShips(params int[] lengths)
{
return new System.Collections.ObjectModel.ReadOnlyCollection<Ship>(
lengths.Select(l => new Ship(l)).ToList());
}
public static IEnu...