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How do I parse command line arguments in Bash?
...d.sh -e conf -s /etc -l /usr/lib /etc/hosts
output from copy-pasting the block above:
FILE EXTENSION = conf
SEARCH PATH = /etc
LIBRARY PATH = /usr/lib
DEFAULT =
Number files in SEARCH PATH with EXTENSION: 14
Last line of file specified as non-opt/last argument:
#93.184.216.34 e...
How to save/restore serializable object to/from file?
... No need to call the close method on a reader within your using block. Dispose() is implicit and will take place even if an exception is raised within the block before the explicit Close(). Very useful block of code.
– S. Brentson
Jul 24 '16 at 7:05
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When would I use Task.Yield()?
...chronous path.
If you're making an API where it's critical that you don't block and you run some code asynchronously, and there's a chance that the called method will run synchronously (effectively blocking), using await Task.Yield() will force your method to be asynchronous, and return control at ...
Why is setTimeout(fn, 0) sometimes useful?
...xecution that is shared with page rendering. In effect, running JavaScript blocks the updating of the DOM.
Your workaround was:
setTimeout(callback, 0)
Invoking setTimeout with a callback, and zero as the second argument will schedule the callback to be run asynchronously, after the shortest pos...
How to call a shell script from python code?
...se stdout=PIPE or stderr=PIPE with subprocess.call. The child process will block if it generates enough output to a pipe to fill up the OS pipe buffer as the pipes are not being read from.
– user9652688
Mar 11 '19 at 11:07
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What is the difference between Polymer elements and AngularJS directives?
...tandards that is enveloped by HTML 5 designed to provide reusable building blocks for web applications.
Browsers are at various states of implementing the "Web Components" specification, and therefore it's too early to write HTML using Web Components.
But alas! Polymer to the rescue! Polymer is a ...
How to go back to previous page if back button is pressed in WebView?
...
or in fact just simply remove whole else block
– Bostone
Jan 16 '13 at 19:23
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show 5 more comments
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App Inventor 2 DynamicComponents 拓展：动态创建AI2组件对象 · App Inventor 2 中文网
... 将当前组件的所有已用 ID 作为 App Inventor [列表](../blocks/lists.html)返回。
生成一个随机的唯一 UUID。如果你不需要组件 ID，请在“创建”块中使用此块。
...
RootViewController Switch Transition Animation
...can wrap the switching of the rootViewController in a transition animation block:
[UIView transitionWithView:self.window
duration:0.5
options:UIViewAnimationOptionTransitionFlipFromLeft
animations:^{ self.window.rootViewController = newViewContro...
Javascript shorthand ternary operator
I know that in php 5.3 instead of using this redundant ternary operator syntax:
7 Answers
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