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How do you 'redo' changes after 'undo' with Emacs?
...ntuitive. This should be in the default packages. One comment: I wish some alert message was also shown when redoing from a branch point, not just when reverting to it. For example, when user calls a redo: 'Redoing from a branch point' or 'Default redo branch used' - just to alert the user that ther...
Get div height with plain JavaScript
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jsFiddle
var element = document.getElementById('element');
alert(element.offsetHeight);
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Is it pythonic to import inside functions?
...bout loading the module twice - Why not both?
An import at the top of the script will indicate the dependencies and another import in the function with make this function more atomic, while seemingly not causing any performance disadvantage, since a consecutive import is cheap.
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Difference between os.getenv and os.environ.get
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One difference observed (Python27):
os.environ raises an exception if the environmental variable does not exist.
os.getenv does not raise an exception, but returns None
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How can I output UTF-8 from Perl?
I am trying to write a Perl script using the "utf8" pragma, and I'm getting unexpected results. I'm using Mac OS X 10.5 (Leopard), and I'm editing with TextMate. All of my settings for both my editor and operating system are defaulted to writing files in utf-8 format.
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php 获取操作系统、浏览器版本信息（持续更新） - 更多技术 - 清泛网 - 专...
...版本，以及用户使用何种浏览器等信息，本文主要提供getOS、getBrowser、getBrowserVer三个方法，对网上各方法进行测试汇总整理，持续更新希望能成为最佳实现，欢迎大家多提意见。一、获取操作系统信息：
/**
* 获取os信息
*
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sed or awk: delete n lines following a pattern
...ber of lines to skip. The first sed command transforms the file into a sed script that performs the corresponding matching and skipping; that script is provided via -f and stdin (-) to the 2nd sed command. The 2nd sed command operates on a sample ad-hoc input file formed from the output of seq 21 to...
Proper use cases for Android UserManager.isUserAGoat()?
... used as a convention, all the invocations could be later filtered by some script (during commit phase maybe?).
Google guys are heavy Eclipse users (they provide several of their projects as Eclipse plugins: Android SDK, GAE, etc), so the @djechlin answer and this complementary answer make a lot ...
return, return None, and no return at all?
... of the prisoners. If we don't find the prisoner with a knife, we raise an alert. This could be done in many different ways and using return is probably not even the best way, but it's just an example to show how to use return for exiting a function.
def find_prisoner_with_knife(prisoners):
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How to restore the permissions of files and directories within git if they have been modified?
...o? I suspect git to set Linux permissions on my Windows machine. The build scripts might just preserve them and apply the same permissions to newly created files...
– CodeManX
Aug 17 '15 at 17:04
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