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The most efficient way to implement an integer based power function pow(int, int)
...eral the most optimal method. There are no efficient algorithms currently known for finding the minimal sequence of multiplications.
– Eric Postpischil
Dec 27 '13 at 21:32
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Multiple commands in an alias for bash
...ias lock='gnome-screensaver && gnome-screensaver-command --lock'
Now the second command will not even be attempted unless the first one is successful. A better description of short-circuit evaluation is described in this SO question.
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What should I do if two libraries provide a function with the same name generating a conflict?
...: edit one to change the name and recompile Or equivalently see Ben and unknown's answers which will work without access to the source code.
If you don't control either of them you can wrap one of them up. That is compile another (statically linked!) library that does nothing except re-export all th...
Impossible to Install PG gem on my mac with Mavericks
...u chose, because you'll need it shortly.
/Library/PostgreSQL/9.3
If you now try and install the latest pg gem (0.17.0) you'll need to pass a couple of options on the command line. This is what I used:
ARCHFLAGS="-arch x86_64" gem install pg -- --with-pg-config=/Library/PostgreSQL/9.3/bin/pg_conf...
How to get a list of all files that changed between two Git commits?
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and if you want to know the files modified for a particular commit do: git diff --name-only <SHA> <SHA>^
– thebugfinder
Sep 10 '15 at 13:08
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Convert file: Uri to File in Android
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managedQuery is now deprecated. use getContentResolver().query(...) instead, which works on API 11+. Add a conditional for devices older than API 11.
– Kyle Falconer
May 27 '14 at 15:05
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C# pattern to prevent an event handler hooked twice [duplicate]
...ed from the public event to the private delegate, e.g. Foo?.Invoke() would now become foo?.Invoke(). Otherwise you get an error.
– toddmo
Oct 19 '17 at 16:19
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How can I get the full/absolute URL (with domain) in Django?
...could add the s, but do you develop with https locally? and do you always know, if you have https but not sometimes...?
– tjati
May 5 '14 at 12:30
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find: missing argument to -exec
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I figured it out now. When you need to run two commands in exec in a find you need to actually have two separate execs. This finally worked for me.
find . -type f -name "*.rm" -exec ffmpeg -i {} -sameq {}.mp3 \; -exec rm {} \;
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Spring @Transaction method call by the method within the same class, does not work?
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Thank you for the information. I refactored the code for now, but could you please send me an example using AspectJ or provide me with some helpful links. Thanks in advance. Mike.
– Mike
Aug 9 '10 at 16:54
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