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Check whether an array is empty [duplicate]
... quick workaround you can do following:
$errors = array_filter($errors);
if (!empty($errors)) {
}
array_filter() function's default behavior will remove all values from array which are equal to null, 0, '' or false.
Otherwise in your particular case empty() construct will always return true if ...
How to add reference to a method parameter in javadoc?
...ed in other answers; you can use {@code foo}. This is especially good to know when you refer to a generic type such as {@code Iterator<String>} -- sure looks nicer than <code>Iterator&lt;String&gt;</code>, doesn't it!
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Detect Windows version in .net
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Good, now you should update the table with Windows 8 and the latest windows server (2012) as well :)
– Davide Piras
Nov 8 '12 at 14:38
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Parse DateTime string in JavaScript
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If you have date both TIME like this: "2014-05-20T16:43:56.71-06:00" var partesFecha = solicitud.CreatedDate.split("T")[0].split("-"); var createdDate = new Date(partesFecha[0], (partesFecha[1] - 1), partesFecha[2]); Fi...
App Inventor 2 SliderVertical 扩展：垂直的滑动条 · App Inventor 2 中文网
...鼠标移动时拖动元素 document.onmousemove = function(e) { if (!isDragging) return; element.style.left = (e.clientX - offsetX) + 'px'; element.style.top = (e.clientY - offsetY) + 'px'; }; // 鼠标释放时停止拖动 document.onmouseup = function(...
Is there any difference between GROUP BY and DISTINCT
...s.
For example, if you have a bunch of purchase records, and you want to know how much was spent by each department, you might do something like:
SELECT department, SUM(amount) FROM purchases GROUP BY department
This will give you one row per department, containing the department name and the su...
Using reflect, how do you set the value of a struct field?
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thanks! now that I've read peterSO's notes, this makes perfect sense. I was using foo, not &foo, so could not be changed, and was unsure what Elem() was about.
– cc young
Jun 20 '11 at 6:5...
Html table tr inside td
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Well as of now, it doesn't throw any error when I put tr s in td, infact I've put many tr s inside some td s because my app renders arrays of objects within some properties, and it works across all browsers, (don't know about IE, as I d...
How can I read a whole file into a string variable
...reported.
You will get a []byte instead of a string. It can be converted if really necessary:
s := string(buf)
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How can sbt pull dependency artifacts from git?
I've heard (and I know I've seen examples too, if only I can remember where) that sbt can obtain dependencies from a git repo.
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