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HTML table headers always visible at top of window when viewing a large table

...tThead (demos available) which is very cool, can work with DataTables too, and can even work inside an overflow: auto container. share | improve this answer | follow ...
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Looping in a spiral

...algorithm that would let him loop through the elements of an NxM matrix (N and M are odd). I came up with a solution, but I wanted to see if my fellow SO'ers could come up with a better solution. ...
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Set mouse focus and move cursor to end of input using jQuery

... Looks like clearing the value after focusing and then resetting works. input.focus(); var tmpStr = input.val(); input.val(''); input.val(tmpStr); share | improve this...
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How can I truncate a double to only two decimal places in Java?

...gMode(RoundingMode.DOWN); s = df.format(d); Check available RoundingMode and DecimalFormat. share | improve this answer | follow | ...
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What is the point of function pointers?

...acks: You call a function f() passing the address of another function g(), and f() calls g() for some specific task. If you pass f() the address of h() instead, then f() will call back h() instead. Basically, this is a way to parametrize a function: Some part of its behavior is not hard-coded into...
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Install NPM into home directory with distribution nodejs package (Ubuntu)

...s. Here's how I suggest compartmentalizing Nodejs packages: Install Nodejs and NPM via the chris-lea PPA. Then I set up a package root in my homedir to hold the Node "global" packages: $ NPM_PACKAGES="$HOME/.npm-packages" $ mkdir -p "$NPM_PACKAGES" Set NPM to use this directory for its global pac...
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What's the recommended approach to resetting migration history using Django South?

I've accumulated quite a few migrations using South (0.7) and Django (1.1.2) which are starting to consume quite a bit of time in my unit tests. I would like to reset the baseline and start a fresh set of migrations. I've reviewed the South documentation , done the usual Google/Stackoverflow search...
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Very Long If Statement in Python [duplicate]

...r example: if (abcdefghijklmnopqrstuvwxyz > some_other_long_identifier and here_is_another_long_identifier != and_finally_another_long_name): # ... your code here ... pass share | ...
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Rails Admin vs. ActiveAdmin [closed]

I've been looking into some rails admin plugins and came across these: 3 Answers 3 ...
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Why don't :before and :after pseudo elements work with `img` elements? [duplicate]

... Note. This specification does not fully define the interaction of :before and :after with replaced elements (such as IMG in HTML). This will be defined in more detail in a future specification. I guess this means they don't work with img elements (for now). Also see this answer. ...