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What's the difference between Perl's backticks, system, and exec?
...It never returns true, because if the command is found it never returns at all.
There is also no point in returning STDOUT, STDERR or exit status of the command.
You can find documentation about it in perlfunc,
because it is a function.
system
executes a command and your Perl script is con...
What is the best practice for dealing with passwords in git repositories?
...he password info from a configuration file. If your configuration file is called foobar.config, then you would commit a file called foobar.config.example to the repository, containing sample data. To run your program, you would create a local (not tracked) file called foobar.config with your real pa...
Getting user input [duplicate]
...ny way to write a prompt that can work for both?
– Agostino
Apr 8 '15 at 23:20
5
@Agostino try: i...
Print string and variable contents on the same line in R
...
by far the most convenient option, especially if you're composing a function argument. with paste it quickly becomes an unreadable mess.
– user27636
Dec 26 '15 at 12:23
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How to pass a parcelable object that contains a list of objects?
... described by writeValue() method. developer.android.com/reference/android/os/… Among other things it says that the object can be Serializable. readList() is counterpart of writeList() and will read the same data.
– Alex Gitelman
Jun 10 '11 at 1:04
...
Is Mono ready for prime time? [closed]
...s it take a lot of effort to port projects to the Mono runtime, or is it really, really compatible enough to just take of and run already written code for Microsoft's runtime?
...
dealloc in Swift
..., namely to remove an NSNotificationCenter notification. Implementing dealloc results in a Swift compiler error:
5 Answ...
Copy file remotely with PowerShell
...ar network share on server B with read-only access to everyone and simply call (from Server A):
Copy-Item -Path "\\\ServerB\SharedPathToSourceFile" -Destination "$Env:USERPROFILE" -Force -PassThru -Verbose
share
|...
What is the difference between cout, cerr, clog of iostream header in c++? When to use which one?
...e of them (e.g. program.exe >out.txt) would not affect the other.
Generally, stdout should be used for actual program output, while all information and error messages should be printed to stderr, so that if the user redirects output to a file, information messages are still printed on the screen...
Actual meaning of 'shell=True' in subprocess
I am calling different processes with the subprocess module. However, I have a question.
5 Answers
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