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Number of processors/cores in command line
...online
0-1
See the official docs for more information on what all these mean.
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Difference between $(document.body) and $('body')
... whereas document.body references the direct object on the document.
That means if you (or a rogue script) overwrites the document.body element (shame!) $('body') will still work, but $(document.body) will not. So by definition they're not equivalent.
I'd venture to guess there are other edge case...
Validating parameters to a Bash script
...ojblass I was missing one of the tests he was asking about. Adding that in meant also adding in his directories to test against, which significantly expanded the size of the answer since they can't fit on one line. Can you suggest a more compact way of testing for the existence of each directory?
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Logout: GET or POST?
...cookie marked with the httponly attribute to prevent some xss risks, which means it can only be reset from the server (short of manually clearing the cookie)
– Remus Rusanu
Aug 19 '10 at 14:41
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How to make Sequelize use singular table names
... that it also prevents sqlz from lowercasing table and column names. Which means that later, when you're hand-writing SQL to dig through data, you have to cope with mixed-case names (whatever that means for your dialect). On pg, it means having to use double-quotes around every mixed-case name -- yu...
Why would you use an ivar?
...ow to call a hidden accessor dynamically (as long as we know the name…). Meanwhile, most of us have not memorized how to properly access ivars which aren't visible (beyond KVC). The class continuation helps, but it does introduce vulnerabilities.
This workaround's obvious:
if ([obj respondsToSelec...
Which characters need to be escaped in HTML?
...int that requires it.
1 By "a location where text content is expected", I mean inside of an element or quoted attribute value where normal parsing rules apply. For example: <p>HERE</p> or <p title="HERE">...</p>. What I wrote above does not apply to content that has special ...
HTML5: number input type that takes only integers?
...="text" pattern="\d*" />
\d is the regular expression for a number, * means that it accepts more than one of them.
Here is the demo: http://jsfiddle.net/b8NrE/1/
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What is the best way to remove accents (normalize) in a Python unicode string?
...licit).
And keep in mind, these manipulations may significantly alter the meaning of the text. Accents, Umlauts etc. are not "decoration".
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Java FileReader encoding issue
... you need to specify the encoding of the file you want to read.
Yes, this means that you have to know the encoding of the file you want to read.
No, there is no general way to guess the encoding of any given "plain text" file.
The one-arguments constructors of FileReader always use the platform d...