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Bogus foreign key constraint fail
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On demand, now as an answer...
When using MySQL Query Browser or phpMyAdmin, it appears that a new connection is opened for each query (bugs.mysql.com/bug.php?id=8280), making it neccessary to write all the drop statements in one query, eg.
SET FOREIGN_KEY_CHECKS=0;
DROP TABLE my_first_...
Are there any HTTP/HTTPS interception tools like Fiddler for mac OS X? [closed]
...esponses) that have passed through WebScarab.
http://www.owasp.org/index.php/Category:OWASP_WebScarab_Project
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Fit cell width to content
...e.
HTML:
<table style="width: 100%;">
<tr>
<td class="block">this should stretch</td>
<td class="block">this should stretch</td>
<td class="block">this should be the content width</td>
</tr>
</table>
CSS:
td{
border:1px...
Is there a 'foreach' function in Python 3?
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Every occurence of "foreach" I've seen (PHP, C#, ...) does basically the same as pythons "for" statement.
These are more or less equivalent:
// PHP:
foreach ($array as $val) {
print($val);
}
// C#
foreach (String val in array) {
console.writeline(val);
}...
How to know if other threads have finished?
...ways you can do this:
Use Thread.join() in your main thread to wait in a blocking fashion for each Thread to complete, or
Check Thread.isAlive() in a polling fashion -- generally discouraged -- to wait until each Thread has completed, or
Unorthodox, for each Thread in question, call setUncaughtExc...
How to give border to any element using css without adding border-width to the whole width of elemen
...position: relative;
}
.right-border:after {
content: '';
display: block;
position: absolute;
top: 0; right: 0;
width: 1px;
height: 100%;
background: #e0e0e0;
}
This answer allows you to specify one single side. And would work in IE8+ - unlike using box-shadow.
Of ...
What is a mutex?
...ours and only yours. Nobody else can steal it, because calling lock() will block him. There is also try_lock() that will block and return true when mutex is yours and immediately false if mutex is in use.
– Петър Петров
Sep 21 '14 at 22:51
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Does Dispose still get called when exception is thrown inside of a using statement?
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Yes, using wraps your code in a try/finally block where the finally portion will call Dispose() if it exists. It won't, however, call Close() directly as it only checks for the IDisposable interface being implemented and hence the Dispose() method.
See also:
Interce...
Setting Objects to Null/Nothing after use in .NET
...hen you're done with that object (wrapped in a try..finally, or, a using() block). But even if you don't remember to call Dispose(), the finaliser method on the object should be calling Dispose() for you.
I thought this was a good treatment:
Digging into IDisposable
and this
Understandi...
How to allow to accept only image files?
...ttp://www.w3schools.com/tags/att_input_accept.asp
http://www.w3schools.com/php/php_file_upload.asp
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