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Is there a performance difference between a for loop and a for-each loop?
...
From Item 46 in Effective Java by Joshua Bloch :
The for-each loop, introduced in
release 1.5, gets rid of the clutter
and the opportunity for error by
hiding the iterator or index variable
completely. The resulti...
Prevent errors from breaking / crashing gulp watch
I'm running gulp 3.6.2 and have the following task that was set up from a sample online
8 Answers
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How do you push just a single Git branch (and no other branches)?
...ke git-pull on that branch in the future already know which branch to pull from without specifying it. It is not required as an option to push a single branch, but is widely used because a lot of people do want to make the local branch track the remote branch they are pushing.
–...
How do I analyze a program's core dump file with GDB when it has command-line parameters?
... match specified executable file. Failed to read a valid object file image from memory.
– Treper
Nov 29 '11 at 5:07
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Random “Element is no longer attached to the DOM” StaleElementReferenceException
...tReferenceException e) {
System.out.println("Attempting to recover from StaleElementReferenceException ...");
return getStaleElemById(id);
}
}
Yes, it just keeps polling the element until it's no longer considered stale (fresh?). Doesn't really get to the root of the problem, b...
Django “login() takes exactly 1 argument (2 given)” error
...quest, user)
To avoid it rename your view function or refer to the login from django.contrib.auth in some different way. You could for example change the import to rename the login function:
from django.contrib.auth import login as auth_login
...
auth_login(request, user)
...
Difference between outline and border
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From: http://webdesign.about.com/od/advancedcss/a/outline_style.htm
The CSS outline property is a confusing property. When you first learn about it, it's hard to understand how it is even remotely different from the border p...
PHP filesize MB/KB conversion [duplicate]
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Here is a sample:
<?php
// Snippet from PHP Share: http://www.phpshare.org
function formatSizeUnits($bytes)
{
if ($bytes >= 1073741824)
{
$bytes = number_format($bytes / 1073741824, 2) . ' GB';
}
elseif (...
How does node.bcrypt.js compare hashed and plaintext passwords without the salt?
From github :
3 Answers
3
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Does a finally block always run?
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from the Sun Tutorials
Note: If the JVM exits while the try
or catch code is being executed, then
the finally block may not execute.
Likewise, if the thread executing the
try or catch code is interrupted or
kill...