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how to read System environment variable in Spring applicationContext
How to read the system environment variable in the application context?
11 Answers
11
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Perl build, unit testing, code coverage: A complete working example
...$ENV{HARNESS_PERL_SWITCHES}. For example: -MDevel::Cover=+ignore,.t$,+inc,/app/lib,-select,MyModule.pm where /app/lib is the application-private library and MyModule.pm is the module under test.
– Michael Carman
Apr 27 '10 at 16:33
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What's the need of array with zero elements?
...d it would have meant the very same thing. The authors of the Linux kernel apparently love to make things needlessly complicated and non-standard, if an option to do so reveals itself.
In older C standards, ending a struct with an empty array was known as "the struct hack". Others have already expl...
What is in your Mathematica tool bag? [closed]
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I've mentioned this before, but the tool I find most useful is an application of Reap and Sow which mimics/extends the behavior of GatherBy:
SelectEquivalents[x_List,f_:Identity, g_:Identity, h_:(#2&)]:=
Reap[Sow[g[#],{f[#]}]&/@x, _, h][[2]];
This allows me to group lists by a...
Find a private field with Reflection?
...you need to be aware of when reflecting on private members is that if your application is running in medium trust (as, for instance, when you are running on a shared hosting environment), it won't find them -- the BindingFlags.NonPublic option will simply be ignored.
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Repeat a task with a time delay?
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} finally {
// 100% guarantee that this always happens, even if
// your update method throws an exception
mHandler.postDelayed(mStatusChecker, mInterval);
}
}
};
void startRepeatingTask() {
mStatusChecker.run();
}
void sto...
Why does GCC generate 15-20% faster code if I optimize for size instead of speed?
...essor, but decrease performance on your particular processor (and the same applies to -Os). If you try the same example on different processors, you will find that on some of them benefit from -O2 while other are more favorable to -Os optimizations.
Here are the results for time ./test 0 0 on sever...
Symbolic links and synced folders in Vagrant
...nfig option is already set by default in Vagrant, as of this commit which happened almost a year before this answer was posted. That said, running vagrant up in a shell with admin rights did resolve my problem.
– Ajedi32
Aug 25 '15 at 1:18
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TypeLoadException says 'no implementation', but it is implemented
... the other answers that people have added since.
Short answer
This can happen if you add a method to an interface in one assembly, and then to an implementing class in another assembly, but you rebuild the implementing assembly without referencing the new version of the interface assembly.
In th...
How to make a copy of a file in android?
In my app I want to save a copy of a certain file with a different name (which I get from user)
10 Answers
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