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std::shared_ptr thread safety explained
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3 Answers
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Active
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What is the difference between JVM, JDK, JRE & OpenJDK?
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379
JVM
The Java Virtual Machine (JVM) is the virtual machine that runs the Java bytecodes. The JV...
Why isn't std::initializer_list a language built-in?
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edited Mar 4 '13 at 15:13
answered Mar 4 '13 at 10:30
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Is it safe to use -1 to set all bits to true?
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edited Mar 12 '13 at 23:28
0x499602D2
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Shell script to delete directories older than n days
...Which is a bit more efficient, because it amounts to:
rm -rf dir1 dir2 dir3 ...
as opposed to:
rm -rf dir1; rm -rf dir2; rm -rf dir3; ...
as in the -exec method.
With modern versions of find, you can replace the ; with + and it will do the equivalent of the xargs call for you, passing as ma...
What is the exact meaning of IFS=$'\n'?
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edited Apr 3 '17 at 16:15
mikemaccana
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When should std::move be used on a function return value? [duplicate]
...the case of return std::move(foo); the move is superfluous because of 12.8/32:
When the criteria for elision of a copy operation are met or would be
met save for the fact that the source object is a function parameter,
and the object to be copied is designated by an lvalue, overload
resolu...
How to redirect output with subprocess in Python?
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UPDATE: os.system is discouraged, albeit still available in Python 3.
Use os.system:
os.system(my_cmd)
If you really want to use subprocess, here's the solution (mostly lifted from the documentation for subprocess):
p = subprocess.Popen(my_cmd, shell=True)
os.waitpid(p.pid, 0)
OTOH,...
Push to GitHub without a password using ssh-key
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443
If it is asking you for a username and password, your origin remote is pointing at the HTTPS URL...