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difference between collection route and member route in ruby on rails?
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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...
How can I get the corresponding table header (th) from a table cell (td)?
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what about colspans?
– bradvido
Jan 23 '15 at 21:08
@bradvido - My answer takes that into acc...
Programmatically change the src of an img tag
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Give your img tag an id, then you can
document.getElementById("imageid").src="../template/save.png";
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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.
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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...
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 > div {
width: 100%;
height: 100%;
overflow:hidden;
}
td.container {
height: 20px;
}
<table>
<tr>
<td class="container">...
how to draw smooth curve through N points using javascript HTML5 canvas?
...by completely disjoint control points. One solution is to "curve to" the midpoints between the next 2 subsequent sample points. Joining the curves using these new interpolated points gives a smooth transition at the end points (what is an end point for one iteration becomes a control point for the...
How to get the element clicked (for the whole document)?
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use the following inside the body tag
<body onclick="theFunction(event)">
then use in javascript the following function to get the ID
<script>
function theFunction(e)
{ alert(e.target.id);}
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Difference between innerText, innerHTML, and childNodes[].value?
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The examples below refer to the following HTML snippet:
<div id="test">
Warning: This element contains <code>code</code> and <strong>strong language</strong>.
</div>
The node will be referenced by the following JavaScript:
var x = document.getElem...
angular.element vs document.getElementById or jQuery selector with spin (busy) control
...like that:
var myElement = angular.element( document.querySelector( '#some-id' ) );
You wrap the Document.querySelector() native Javascript call into the angular.element() call. So you always get the element in a jqLite or jQuery object, depending whether or not jQuery is available/loaded.
Official...