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C library function to perform sort
... In general case, an attempt to compare ints by subtracting one from another will result in overflow. It's better to stay away from that bad habit from the very beginning. Use return (f > s) - (f < s);
– AnT
Nov 24 '09 at 6:32
...
Git submodule head 'reference is not a tree' error
...c0a16d5909d8cb3db47c81896b8b885ae1556' in submodule path 'sub'
Oops, someone made a super-project commit that refers to an unpublished commit in the submodule sub. Somehow, we already know that we want the submodule to be at commit 5d5a3ee314476701a20f2c6ec4a53f88d651df6c. Go there and check it ou...
How to specify the private SSH-key to use when executing shell command on Git?
...(suggested by orip):
ssh-agent bash -c 'ssh-add /somewhere/yourkey; git clone git@github.com:user/project.git'
if you prefer subshells, you could try the following (though it is more fragile):
ssh-agent $(ssh-add /somewhere/yourkey; git clone git@github.com:user/project.git)
Git will invoke SS...
What do ellipsis […] mean in a list?
...ption is not ambiguous (it's backward pointing to a list but there is only one list so it must be that one). In other cases may be however ambiguous... for example in
[1, [2, [...], 3]]
the backward reference could either point to the outer or to the inner list.
These two different structures pri...
How does the Java 'for each' loop work?
...xplain the foreach loop (when it was introduced)
– PhoneixS
Feb 27 '14 at 16:12
1
for android stu...
Formatting floats without trailing zeros
...ed Decimal(inputValue).normalize(), but this has a few issues as well. For one, it is A LOT slower (~11x). I also found that although it has pretty great precision, it still suffers from precision loss when using normalize().
>>> Decimal('0.21000000000000000000000000006').normalize()
Decim...
Java executors: how to be notified, without blocking, when a task completes?
...asks which I need to submit to an executor service. I want them processed one at a time. The simplest way I can think of is to:
...
What is the best way to deal with the NSDateFormatter locale “feechur”?
...It would be interesting to find out why this approach doesn't work. If no one comes up with something better I'll award the bounty to the best explanation of this apparent bug.
– Hot Licks
Jul 12 '11 at 19:56
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Ruby on Rails - Import Data from a CSV file
... some basic principle on how to traverse Ruby & Rails API docs. Can anyone share the best practice how to read Ruby API docs?
– Vladimir Kroz
Jan 6 '12 at 11:09
...
Best way to parse RSS/Atom feeds with PHP [closed]
... used the SimpleXML functions built in to PHP to parse XML documents. It's one of the few generic parsers out there that has an intuitive structure to it, which makes it extremely easy to build a meaningful class for something specific like an RSS feed. Additionally, it will detect XML warnings and ...