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What is the behavior of integer division?
...ion? What is the defined behavior?
Yes, integer quotient of the two operands.
6.5.5 Multiplicative operators
6 When integers are divided, the result of the / operator is the algebraic quotient with any
fractional part discarded.88) If the quotient a/b is representable, the expression
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What is the purpose of the “role” attribute in HTML?
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Most of the roles you see were defined as part of ARIA 1.0, and then later incorporated into HTML via supporting specs like HTML-AAM. Some of the new HTML5 elements (dialog, main, etc.) are even based on the original ARIA roles.
http://www.w3.org/TR/wai-aria/
There are a few primary r...
Checkout multiple git repos into same Jenkins workspace
Using Jenkins 1.501 and Jenkins Git plugin 1.1.26
9 Answers
9
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How to duplicate virtualenv
...t to install (or have already installed in case of file generated by pip), and what versions they're at.
To generate a requirements file, go into your original virtualenv, and run:
pip freeze > requirements.txt
This will generate the requirements.txt file for you. If you open that file up in ...
How can I match multiple occurrences with a regex in JavaScript similar to PHP's preg_match_all()?
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I would suggest an alternative regex, using sub-groups to capture name and value of the parameters individually and re.exec():
function getUrlParams(url) {
var re = /(?:\?|&(?:amp;)?)([^=&#]+)(?:=?([^&#]*))/g,
match, params = {},
decode = function (s) {return decodeURI...
Shell one liner to prepend to a file
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The hack below was a quick off-the-cuff answer which worked and received lots of upvotes. Then, as the question became more popular and more time passed, outraged people started reporting that it sorta worked but weird things could happen, or it just didn't work at all, so it was furi...
Rails and PostgreSQL: Role postgres does not exist
I have installed PostgreSQL on my Mac OS Lion, and am working on a rails app. I use RVM to keep everything separate from my other Rails apps.
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Designing function f(f(n)) == -n
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Hmm, saving state with even and odd numbers, I should've thought of that.
– Unknown
Apr 8 '09 at 22:25
38
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Synthetic Class in Java
... are analyzing a class that you don't know anything about (via reflection) and need to know very specific and low-level things about that class, you may end up using Java reflection methods that have to do with synthetic classes. The only "use" here is get more information about the class in order t...
Regular Expression to match string starting with “stop”
... of a string. We are looking to match stop at the beginning of a string and anything can follow it.
8 Answers
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