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Overriding == operator. How to compare to null? [duplicate]
...lso agree that it can be simplified without loosing readability. Example: from if (System.Object.ReferenceEquals(rhs, null)) to return false; can be replaced by return System.Object.ReferenceEquals(rhs, null);
– Eric
Apr 26 '18 at 14:52
...
Renaming the current file in Vim
...wer! But I have a small problem with it, because you have to type the path from the root of the working tree; and this often gets rather lengthy in any project. Is there a solution to this?
– xor
Sep 16 '15 at 13:06
...
How do I check if the Java JDK is installed on Mac?
...sage: java_home [options...]
Returns the path to a Java home directory from the current user's settings.
Options:
[-v/--version <version>] Filter Java versions in the "JVMVersion" form 1.X(+ or *).
[-a/--arch <architecture>] Filter JVMs matching architecture (i...
How to Validate a DateTime in C#?
...arators, e.g. 011508.
Here's an example of how to support this. (This is from a framework I'm building, so its signature is a little weird, but the core logic should be usable):
private static readonly Regex ShortDate = new Regex(@"^\d{6}$");
private static readonly Regex LongDate = new R...
How to get config parameters in Symfony2 Twig Templates
... Thanks for this, I was worried I had to duplicate the parameter from the parameters file to the twig globals.
– Joe Yahchouchi
Jan 2 '18 at 0:30
...
Multidimensional Array [][] vs [,] [duplicate]
...s a rectangular 3-by-3 two-dimensional array, initializing it with numbers from 0 to 8:
int [,] matrix = new int [3, 3];
for (int i = 0; i < matrix.GetLength(0); i++)
for (int j = 0; j < matrix.GetLength(1); j++)
matrix [i, j] = i * 3 + j;
...
Making a Simple Ajax call to controller in asp.net mvc
... dataType: "json",
success: successFunc,
error: errorFunc
});
From your update:
$.ajax({
type: "POST",
url: '@Url.Action("FirstAjax", "AjaxTest")',
contentType: "application/json; charset=utf-8",
data: { a: "testing" },
dataType: "json",
success: function() { al...
Error 908: Permission RECEIVE_SMS has been denied. - App Inventor 2 中...
...nged the Play Store policies. It’s the universal, unadulterated version, from which all other versions of the Companion derive. However, we can’t distribute it via the Play Store (as I mentioned, we applied for an exemption and were denied), so we only distribute it via the website. The “u” ...
How to install and run phpize
...t's in the php5-dev package.
sudo apt-get install php5-dev
For PHP 7.x (from rahilwazir comment):
sudo apt-get install php7.x-dev
RHEL/CentOS/yum
yum install php-devel # see comments
share
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...
Algorithm to get the excel-like column name of a number
... on zero indexed numbers, meaning 0 == A, 1 == B, etc)...
function getNameFromNumber($num) {
$numeric = $num % 26;
$letter = chr(65 + $numeric);
$num2 = intval($num / 26);
if ($num2 > 0) {
return getNameFromNumber($num2 - 1) . $letter;
} else {
return $letter;...