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Clojure: reduce vs. apply
...there's an optimization. reduce's contract is more precise and thus more prone to general optimization. apply is more vague and thus can only be optimized on a case-by-case basis. str and concat are the two prevalent exceptons.
– cgrand
Aug 22 '13 at 9:41
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Exception thrown in catch and finally clause
... throw the last thrown exception, which in this case it will be always the one from the finally block.
When the first exception from method q() is thrown, it will catch'ed and then swallowed by the finally block thrown exception.
q() -> thrown new Exception -> main catch Exception -> thro...
Get query string parameters url values with jQuery / Javascript (querystring)
Anyone know of a good way to write a jQuery extension to handle query string parameters? I basically want to extend the jQuery magic ($) function so I can do something like this:
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Get environment variable value in Dockerfile
... not defined in the Dockerfile, the build outputs a warning:
[Warning] One or more build-args [foo] were not consumed.
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Resolving conflicts: how to accept “their” changes automatically?
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Those are three lines to add to one's own .hgrc, for the newbies: [alias], then mine = resolve -t internal:local, then theirs = resolve -t internal:other. After that you can use hg mine some_file.py or hg theirs -a (for All)
– Tobia
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Changing default encoding of Python?
...cause that answer doesn't help for running existing applications (which is one way to interpret the question), is wrong when you are writing/maintaining an application and dangerous when writing a library. The right way is to set LC_CTYPE (or in an application, check whether it is set right and abor...
SQL Server database backup restore on lower version
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Anyone knows if one can script this procedure in T-SQL? UPDATE (answering myself after a bit of googling): you can automate this via sqlpackage.exe command line. Google for more.
– Alex
Jul...
Is there any pythonic way to combine two dicts (adding values for keys that appear in both)?
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I like that approach! If someone likes keep things close to processing dictionaries, one could also use update() instead of +=: for c in counters[1:]: res.update(c).
– Dr. Jan-Philip Gehrcke
Jan 22 '15 at 21:51
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How to highlight and color gdb output during interactive debugging?
...idwalker
@dholm also provides his own .gdbinit inspired from the previous one.
pwndbg
Some projects provide a set of useful functions, including improved display. This is the case for PEDA or pwndbg. The latter gives the following description:
A PEDA replacement. In the spirit of our good f...
A good example for boost::algorithm::join
... to invest a lot of time learning the Boost Range library just to use this one function.
2 Answers
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