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How can I check if a checkbox is checked?

... in IF condition:- <script type="text/javascript"> function validate() { if (document.getElementById('remember').checked) { alert("checked"); } else { alert("You didn't check it! Let me check it for you."); } } </script> ...
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difference between collection route and member route in ruby on rails?

... A member route will require an ID, because it acts on a member. A collection route doesn't because it acts on a collection of objects. Preview is an example of a member route, because it acts on (and displays) a single object. Search is an example of a col...
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How to output only captured groups with sed?

... I'd suggest using sed -E to use the so-called "modern" or "extended" regular expressions that look a lot closer to Perl/Java/JavaScript/Go/whatever flavors. (Compare to grep -E or egrep.) The default syntax has those strange escaping rules and is considered "obsol...
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Firefox Web Console Disabled?

... This happens when the page itself defines a global variable called console, for example. If the page is browser-sniffing to decide whether to define it, the behavior could differ in different browsers. In the case of Firefox it also happens when Firebug is installed and its console ...
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Scala: What is a TypeTag and how do I use it?

...ated, that means that the compiler creates and fills in a TypeTag when one calls a method expecting such a TypeTag. There exist three different forms of tags: scala.reflect.ClassTag scala.reflect.api.TypeTags#TypeTag scala.reflect.api.TypeTags#WeakTypeTag ClassTag substitutes ClassManifest where...
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Reset keys of array elements in php?

... @SSH Did you use it on an array of arrays, as was called for here? – deceze♦ Mar 1 '13 at 21:31 1 ...
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Log all queries in mysql

...tead of --log. By default, queries that take 10 seconds or longer are considered slow, you can change this by setting long_query_time to the number of seconds a query must take to execute before being logged. share ...
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腾讯Tencent开源框架介绍(持续更新) - 开源 & Github - 清泛网 - 专注C/C++及内核技术

...展示,其作用类似于pthread_cond_wait */ struct stTask_t { int id; }; struct stEnv_t { stCoCond_t* cond; queue<stTask_t*> task_queue; }; void* Producer(void* args) { co_enable_hook_sys(); stEnv_t* env= (stEnv_t*)args; int id = 0; while (true) { stTask_t* task = (s...
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How to fix height of TR?

...ng text. I think you'll find that the only solution is to put the text inside a div element, like so: td.container &gt; div { width: 100%; height: 100%; overflow:hidden; } td.container { height: 20px; } &lt;table&gt; &lt;tr&gt; &lt;td class="container"&gt;...
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Error on renaming database in SQL Server 2008 R2

... answered May 22 '13 at 7:02 SquidSquid 3,77011 gold badge99 silver badges88 bronze badges ...