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Best way to iterate through a Perl array
...he array elements occurs. ($_ is aliased to the element in #1, but #2 and #3 actually copy the scalars from the array.)
#5 might be similar.
In terms memory usage: They're all the same except for #5.
for (@a) is special-cased to avoid flattening the array. The loop iterates over the indexes of the...
How do I set a conditional breakpoint in gdb, when char* x points to a string whose value equals “he
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How to create multiple levels of indentation in Javadoc?
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How do you obtain a Drawable object from a resource id in android package?
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edited Sep 7 '15 at 20:36
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“FOUNDATION_EXPORT” vs “extern”
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If you look in NSObjCRuntime.h (in Foundation) you will see that FOUNDATION_EXPORT compiles to e...
“git pull” or “git merge” between master and development branches
...myself.
– k0pernikus
Oct 25 '12 at 13:46
Yes, if you're the only user, of course it is safe. I use git push --force al...
makefile execute another target
...n have reusable methods using the call function.
log_success = (echo "\x1B[32m>> $1\x1B[39m")
log_error = (>&2 echo "\x1B[31m>> $1\x1B[39m" && exit 1)
install:
@[ "$(AWS_PROFILE)" ] || $(call log_error, "AWS_PROFILE not set!")
command1 # this line will be a subshell
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How to create a shared library with cmake?
...cify the minimum required version of cmake
cmake_minimum_required(VERSION 3.9)
You should declare a project. cmake says it is mandatory and it will define convenient variables PROJECT_NAME, PROJECT_VERSION and PROJECT_DESCRIPTION (this latter variable necessitate cmake 3.9):
project(mylib VERSIO...
iOS: Use a boolean in NSUserDefaults
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You can set your boolean by using:
[[NSUserDefaults standardUserDefaults] setBool:YES forKey:@"...