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What's the difference between Perl's backticks, system, and exec?
...nc,
because it is a function.
system
executes a command and your Perl script is continued after the command has finished.
The return value is the exit status of the command.
You can find documentation about it in perlfunc.
backticks
like system executes a command and your perl script is c...
relative path in require_once doesn't work
...
Use
__DIR__
to get the current path of the script and this should fix your problem.
So:
require_once(__DIR__.'/../class/user.php');
This will prevent cases where you can run a PHP script from a different folder and therefore the relatives paths will not work.
Ed...
ASP.NET: Session.SessionID changes between requests
... separate session on the server, so if your page contains multiple images, script tags, etc., then each of those GET requests will result in a different session on the server.
Further information: http://support.microsoft.com/kb/316112
...
Change type of varchar field to integer: “cannot be cast automatically to type integer”
...fully run the query, to the schemamigration and after that run the migrate script.
ALTER TABLE table_mame ALTER COLUMN field_name TYPE numeric(10,0) USING field_name::numeric;
I think it will help you.
How to inspect Javascript Objects
...
There are few methods :
1. typeof tells you which one of the 6 javascript types is the object.
2. instanceof tells you if the object is an instance of another object.
3. List properties with for(var k in obj)
4. Object.getOwnPropertyNames( anObjectToInspect )
5. Object.getPrototypeOf( ...
How do I get PHP errors to display?
...
To display all errors you need to:
1. Have these lines in the PHP script you're calling from the browser (typically index.php):
error_reporting(E_ALL);
ini_set('display_errors', '1');
2.(a) Make sure that this script has no syntax errors
—or—
2.(b) Set display_errors = On in your p...
Are nested HTML comments possible?
...ke sure none of it is rendered on your page, you can always wrap it with a script tag like below, only thing is, you can't comment out script tags this way.
<p>some text</p>
<!-- multiline "comment" below using script type="text/html" -->
<script type="text/html">
...
jQuery AJAX submit form
...ta)
{
alert(data); // show response from the php script.
}
});
});
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Choosing a Windows automation scripting language. AutoIt vs Autohotkey [closed]
I need to choose a Windows automation scripting language. Which one do you recommend; AutoIt , AutoHotkey , or an other?
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Select unique or distinct values from a list in UNIX shell script
I have a ksh script that returns a long list of values, newline separated, and I want to see only the unique/distinct values. It is possible to do this?
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