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Context switches much slower in new linux kernels
We are looking to upgrade the OS on our servers from Ubuntu 10.04 LTS to Ubuntu 12.04 LTS. Unfortunately, it seems that the latency to run a thread that has become runnable has significantly increased from the 2.6 kernel to the 3.2 kernel. In fact the latency numbers we are getting are hard to belie...
Is it possible for git-merge to ignore line-ending differences?
Is it possible for git merge to ignore line-ending differences?
10 Answers
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HTML5 Pre-resize images before uploading
...en you can process the images with the canvas element.
This Mozilla Hacks blog post walks you through most of the process. For reference here's the assembled source code from the blog post:
// from an input element
var filesToUpload = input.files;
var file = filesToUpload[0];
var img = document....
Alternatives to gprof [closed]
... a procedure is live on the stack, although I'm sorry to say it appears to become confused in the presence of mutual recursion. But the visualizer is very nice and light years ahead of gprof.
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Counting the number of elements with the values of x in a vector
I have a vector of numbers:
18 Answers
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Get querystring from URL using jQuery [duplicate]
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From: http://jquery-howto.blogspot.com/2009/09/get-url-parameters-values-with-jquery.html
This is what you need :)
The following code will return a JavaScript Object containing the URL parameters:
// Read a page's GET URL variables and return them ...
The $.param( ) inverse function in JavaScript / jQuery
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You should use jQuery BBQ's deparam function. It's well-tested and documented.
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What is __future__ in Python used for and how/when to use it, and how it works
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With __future__ module's inclusion, you can slowly be accustomed to incompatible changes or to such ones introducing new keywords.
E.g., for using context managers, you had to do from __future__ import with_statement in 2.5, as the with keyword was new and shouldn't be used ...
What are the Ruby Gotchas a newbie should be warned about? [closed]
I have recently learned the Ruby programming language, and all in all it is a good language. But I was quite surprised to see that it was not as simple as I had expected. More precisely, the "rule of least-surprise" did not seem very respected to me (of course this is quite subjective). For examp...
what is .netrwhist?
When I edit files in my ~/.vim , the .netrwhist file would mysteriously be changed, too.
4 Answers
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