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How to check if mod_rewrite is enabled in php?
...ng mod_php, you can use apache_get_modules(). This will return an array of all enabled modules, so to check if mod_rewrite is enabled, you could simply do
in_array('mod_rewrite', apache_get_modules());
Unfortunately, you're most likely trying to do this with CGI, which makes it a little bit more ...
Postgres could not connect to server
...ew update and brew upgrade, my postgres got some problem. I tried to uninstall postgres and install again, but it didn't work as well.
...
How do I run NUnit in debug mode from Visual Studio?
... NUnit set up and a new project within my workspace to test the component. All works well if I load up my unit tests from Nunit (v2.4), but I've got to the point where it would be really useful to run in debug mode and set some break points.
...
How to add ID property to Html.BeginForm() in asp.net mvc?
...
{
public static MvcForm BeginForm(this HtmlHelper htmlHelper, string formId)
{
return htmlHelper.BeginForm(null, null, FormMethod.Post, new { id = formId });
}
public static MvcForm BeginForm(this HtmlHelper htmlHelper, string formId, FormMethod meth...
JavaScript check if variable exists (is defined/initialized)
...initialized is better/correct?
(Assuming the variable could hold anything (string, int, object, function, etc.))
28 Answers...
How to create a hash or dictionary object in JavaScript [duplicate]
...y Objects. That syntax implicitly casts the subscript value to a primitive string or symbol. Maps support any values as keys, so you must use the methods .get(key), .set(key, value) and .has(key).
var m = new Map();
var key1 = 'key1';
var key2 = {};
var key3 = {};
m.set(key1, 'value1');
...
MySQL pagination without double-querying?
... help a lot.
The other way is to use SQL_CALC_FOUND_ROWS clause and then call SELECT FOUND_ROWS(). apart from the fact you have to put the FOUND_ROWS() call afterwards, there is a problem with this: There is a bug in MySQL that this tickles that affects ORDER BY queries making it much slower on lar...
Linux command to list all available commands and aliases
... Instead of compgen | grep, it can be more efficient to pass the string as argument to compgen itself (if it's known to be a prefix, as implied in the question). In this case, that would be compgen -ac searchstr.
– Toby Speight
Jul 20 '17 at 9:01
...
What does “:=” do?
...
It's the assignment operator in Pascal and is often used in proofs and pseudo-code. It's the same thing as = in C-dialect languages.
Historically, computer science papers used = for equality comparisons and ← for assignments. Pascal used := to stand in for the ...
Why use pointers? [closed]
...hing else. In C you don't have any support for complex datatypes such as a string. There are also no way of passing a variable "by reference" to a function. That's where you have to use pointers. Also you can have them to point at virtually anything, linked lists, members of structs and so on. But l...