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time.sleep — sleeps thread or process?
...look in Modules/timemodule.c in the Python source, you'll see that in the call to floatsleep(), the substantive part of the sleep operation is wrapped in a Py_BEGIN_ALLOW_THREADS and Py_END_ALLOW_THREADS block, allowing other threads to continue to execute while the current one sleeps. You can also...
Hidden features of mod_rewrite
...e rules are processed once, as opposed to each time the .htaccess file is called).
Logging mod_rewrite requests
Logging may be enabled from within the httpd.conf file (including <Virtual Host>):
# logs can't be enabled from .htaccess
# loglevel > 2 is really spammy!
RewriteLog /path/to/r...
Is there a standard function to check for null, undefined, or blank variables in JavaScript?
...t undefined or null ? I've got this code, but I'm not sure if it covers all cases:
41 Answers
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Javascript communication between browser tabs/windows [duplicate]
...t;p>Type into the text box below and watch the text
appear automatically in the receiver.</p>
<form name="sender">
<input type="text" name="message" size="30" value="">
<input type="reset" value="Clean">
</form>
<script type="text/javascript"><!--
func...
How to decide when to use Node.js?
...marizing what's awesome about Node.js. My feeling is that Node.js is especially suited for applications where you'd like to maintain a persistent connection from the browser back to the server. Using a technique known as "long-polling", you can write an application that sends updates to the user in ...
SQL query return data from multiple tables
...I-89 syntax (and if you are used to 89, may seem much less intuitive - but all I can say is to try it) as it is much easier to understand when the queries start getting more complex. Why use it? Is there a performance gain? The short answer is no, but it is easier to read once you get used to it. It...
What is the most ridiculous pessimization you've seen? [closed]
We all know that premature optimization is the root of all evil because it leads to unreadable/unmaintainable code. Even worse is pessimization, when someone implements an "optimization" because they think it will be faster, but it ends up being slower, as well as being buggy, unmaintainable, etc...
Which HTML5 reset CSS do you use and why? [closed]
...of a reset sheet. It's making too many assumptions.
BluePrint Reset:(literally a blueprint)
body {
line-height: 1.5;
background: white;
}
Whats up with 1.5. And why background white?(I know it's for correcting but still not necessary)
Normalize.css: (Not normal)
https://github.com/necol...
Google Maps API v3: Can I setZoom after fitBounds?
...ot on an embedded Google Map (API v3). I'd like the bounds to accommodate all points unless the zoom level is too low (i.e., zoomed out too much). My approach has been like this:
...
Why do some claim that Java's implementation of generics is bad?
I've occasionally heard that with generics, Java didn't get it right. (nearest reference, here )
13 Answers
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