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What does the 'u' symbol mean in front of string values? [duplicate]
...the answer you're looking for? Browse other questions tagged python google-app-engine or ask your own question.
Access-Control-Allow-Origin error sending a jQuery Post to Google API's
...ervice that you can't add the header Access-Control-Allow-Origin * in that application, but you can put in front of the server a reverse proxy, the error can avoided with a header rewrite.
Assuming the application is running on the port 8080 (public domain at www.mydomain.com), and you put the reve...
How to stretch div height to fill parent div - CSS
...;
</body>
With normal CSS, you can do the following. See a working app https://github.com/onmyway133/Lyrics/blob/master/index.html
#root {
position: absolute;
top: 0;
left: 0;
height: 100%;
width: 100%;
}
With flexbox, you can
html, body {
height: 100%
}
body {
display: fle...
How to dismiss keyboard for UITextView with return key?
...at when the return key is pressed, the keyboard for UITextView will disappear. But actually the return key can only act as '\n'.
...
What is a “feature flag”?
...(or Feature Toggle) is the ability to turn features (sub-sections) of your application on/off at easily:
perhaps via a re-deploy, or
some internal page where pages/features can be toggled live.
I guess the example there was that it's handy to have the control to reduce the feature-set somewhat ...
shortcut for creating a Map from a List in groovy?
... it once for all Collections:
class PropertyMapCategory {
static Map mapProperty(Collection c, String keyParam, String valParam) {
return c.inject([:]) { memo, entry ->
memo[entry[keyParam]] = entry[valParam]
return memo
}
}
}
Example usage:
us...
Enable 'xp_cmdshell' SQL Server
...the previous values, you can read them from sys.configurations first, then apply them in reverse order at the end. We can also avoid unnecessary reconfigure calls:
declare @prevAdvancedOptions int
declare @prevXpCmdshell int
select @prevAdvancedOptions = cast(value_in_use as int) from sys.configu...
记录一些Mac OS X技巧 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...的速度：
sudo launchctl unload -w /System/Library/LaunchDaemons/com.apple.dynamic_pager.plist
禁用以后，磁盘上还保留着这些交换文件，它们已经没用了，也可以删掉：
sudo rm /private/var/vm/swapfile*
如果要重新启用虚拟内存的话，可以执行这条...
Error 'LINK : fatal error LNK1123: failure during conversion to COFF: file invalid or corrupt' after
I've installed Visual Studio 2012 Release Preview, and it appears to be fine, but now when I try to use Visual Studio 2010 to compile C++ projects, I get the following error message:
...
How can I find my Apple Developer Team id and Team Agent Apple ID?
I am trying to transfer an app. I am having troubles finding my team agent apple id and my team id. I have found it before and I have searched for 30 min without any luck now that i need it.
...