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Recursively look for files with a specific extension
...and safer - deals with whitespace in filenames and directory names).
Your script is probably failing for entries that don't have a . in their name, making $extension empty.
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Test for existence of nested JavaScript object key
...r Steele:
var level3 = (((test || {}).level1 || {}).level2 || {}).level3;
alert( level3 );
In fact that whole article is a discussion of how you can do this in javascript. He settles on using the above syntax (which isn't that hard to read once you get used to it) as an idiom.
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PHP MySQL Google Chart JSON - Complete Example
...t;
<head>
<title>Massive Electronics</title>
<script type="text/javascript" src="loder.js"></script>
<script type="text/javascript">
google.charts.load('current', {'packages':['corechart']});
google.charts.setOnLoadCallback(drawChart);...
Resizing an iframe based on content
...re's a browser quirk which allows us to skirt the same origin policy - javascript can communicate either with pages on its own domain, or with pages it has iframed, but never pages in which it is framed, e.g. if you have:
www.foo.com/home.html, which iframes
|-> www.bar.net/framed.html, which ...
How do I include a file over 2 directories back?
...ill force the include to always be relative to the position of the current script where this code is placed (which location is most likely stable, since you define the architecture of your application). This is different from just doing include '../../index.php' which will include relatively to the ...
Can I mask an input text in a bat file?
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Up to XP and Server 2003, you can make use of another included tool (VBScript) - the following two scripts do the job you want.
First, getpwd.cmd:
@echo off
<nul: set /p passwd=Password:
for /f "delims=" %%i in ('cscript /nologo getpwd.vbs') do set passwd=%%i
echo.
Then, getpwd.vbs:
Set...
Why does (“foo” === new String(“foo”)) evaluate to false in JavaScript?
...why you cannot put properties on primitives:
var x = "a";
x.property = 2;
alert(x.property) //undefined
Each time you write x.property, a different boxed String object is created.
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What is the “assert” function?
...ate is used. If the variable ever does become negative, the assert() macro alerts you. You can then examine the relevant code to locate the cause of the problem.
To see how assert() works, run the sample program below. If you enter a nonzero value, the program displays the value and terminates norm...
What is the appropriate HTTP status code response for a general unsuccessful request (not an error)?
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If the order limit is reached, shouldn't the client alert the user to that and let them change their request appropriately? That seems like a 4xx error. Same goes for the product being sold out. 5xx errors are intended for errors that are caused by the system breaking down in...
How do you version your database schema? [closed]
...n be rolled back without losing data or functionality.
I have a migration script that contains statements that creates tables and columns if they don't exist yet and fills them with data.
The migration script runs whenever the production code is updated and after new installs.
When I would like t...