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Ignoring time zones altogether in Rails and PostgreSQL
...m the Postgres epoch, 2000-01-01 00:00:00 UTC.
Postgres also has built-in knowledge of the commonly used UNIX time counting seconds from the UNIX epoch, 1970-01-01 00:00:00 UTC, and uses that in functions to_timestamp(double precision) or EXTRACT(EPOCH FROM timestamptz).
The source code:
* Timestam...
JavaScript editor within Eclipse [closed]
... installed Aptana on this threads recommendation and for various reasons I now want to remove it. I've spent 15 minutes trying to figure out how to remove it from my Eclipse 3.4 config with no success - it seems to disable the uninstall buttons - and the only instructions I found on the Aptana site ...
How to keep up with the latest versions of Node.js in Ubuntu? PPA? Compiling?
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Alas it's not tight at all now... I have 0.10.12 which is being shown in Ubuntu as the latest and greatest, whereas the world has moved onto 0.10.20
– kumarharsh
Oct 16 '13 at 13:47
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Random color generator
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@Mohsen, FYI every now and then your code produces invalid 5 digit number
– rochal
Nov 5 '11 at 18:05
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CSS3 Rotate Animation
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2017: This is now very well supported and a preferred way to do non-infinite rotations. -webkit- prefix is no longer needed and can be safely removed. Browser support: caniuse.com/#search=transforms
– Alph.Dev
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PHP - how to best determine if the current invocation is from CLI or web server?
...on that next year there may be new ways to use PHP that we can't possibly know now. I'd rather not think about it when all I care about is weather I should wrap my output in HTML or not.
Fortunately, PHP has a way to check for this specifically. Just use http_response_code() without any parameters ...
How are virtual functions and vtable implemented?
We all know what virtual functions are in C++, but how are they implemented at a deep level?
12 Answers
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Iterate a list as pair (current, next) in Python
...thon looking at the "current" element and the "next" element. I have, till now, done so with code like:
10 Answers
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How can I reverse a list in Python?
...,2,3,4]
a = a[::-1]
print(a)
>>> [4,3,2,1]
The job is done, and now you have a reversed list.
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When should I create a destructor?
...here could have been a thread abort halfway through writing the double and now the finalizer has to deal with a half-initialized half-zero double.
– Eric Lippert
Mar 31 '11 at 14:11
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