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How can I debug javascript on Android?
...e goodness of the Chrome for Desktop Developer Tools on Android. Check out https://developers.google.com/chrome-developer-tools/docs/remote-debugging for more information.
Update: JavaScript Console
You can also navigate to about:debug in the URL bar to activate the debug menu and the JavaScript...
Why is the default value of the string type null instead of an empty string?
... state. For a broader discussion on empty and nulls, see the links below.
https://softwareengineering.stackexchange.com/questions/32578/sql-empty-string-vs-null-value
NULL vs Empty when dealing with user input
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Detecting arrow key presses in JavaScript
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Note from MDN: Internet Explorer, Edge (16 and earlier), and Firefox (36 and earlier) use "Left", "Right", "Up", and "Down" instead of "ArrowLeft", "ArrowRight", "ArrowUp", and "ArrowDown".
– Simon
Aug 28 '...
jquery get all form elements: input, textarea & select
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});
$('#results').html(summary.join('<br />'));
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js"></script>
<form id="A" style="display: none;">
<input type="text" />
<button>Submit</button>
</form>
<f...
How to round up a number to nearest 10?
...able if necessary to change the rounding mode.
More info here: http://php.net/manual/en/function.round.php
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Generating a random password in php
... * For PHP 7, random_int is a PHP core function
* For PHP 5.x, depends on https://github.com/paragonie/random_compat
*
* @param int $length How many characters do we want?
* @param string $keyspace A string of all possible characters
* to select from
* @return str...
How do I fire an event when a iframe has finished loading in jQuery?
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I am trying this and seems to be working for me:
http://jsfiddle.net/aamir/BXe8C/
Bigger pdf file:
http://jsfiddle.net/aamir/BXe8C/1/
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廉价共享存储解决方案2-drbd+cman+gfs2 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...系统
在 /usr/local/drbd-utils-8.9.4/etc/drbd.conf
在配置文件的 net 选项中
allow-two-primaries yes;
安装 cman 底层消息通讯 + 全局锁功能
ccs_tool create gfscluster
ccs_tool addnode -n 1 -v 1 gfs_1
ccs_tool addnode -n 2 -v 1 gfs_2
查看节点
ccs_tool lsnode
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The server committed a protocol violation. Section=ResponseStatusLine ERROR
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Try putting this in your app/web.config:
<system.net>
<settings>
<httpWebRequest useUnsafeHeaderParsing="true" />
</settings>
</system.net>
If this doesn't work you may also try setting the KeepAlive property to false.
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How can we match a^n b^n with Java regex?
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As mentioned in the question — with .NET balancing group, the patterns of the type anbncndn…zn can be matched easily as
^
(?<A>a)+
(?<B-A>b)+ (?(A)(?!))
(?<C-B>c)+ (?(B)(?!))
...
(?<Z-Y>z)+ (?(Y)(?!))
$
For example: http...