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Check existence of directory and create if doesn't exist
...r), showWarnings = FALSE)
setwd(file.path(mainDir, subDir))
dir.create() does not crash if the directory already exists, it just prints out a warning. So if you can live with seeing warnings, there is no problem with just doing this:
dir.create(file.path(mainDir, subDir))
setwd(file.path(mainDir,...
What is the difference between “git init” and “git init --bare”?
...ut a working directory is the fact that you can push branches to it and it doesn't manage what someone is working on. You still can push to a repository that's not bare, but you will get rejected as you can potentially move a branch that someone is working on in that working directory.
So in a proj...
Add an already existing directory to a directory in Solution Explorer
...e if I'm wrong, however, as I miss this functionality. EDIT: At least, it doesn't exist for web site projects.
– Klay
Mar 6 '13 at 15:43
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What is the difference between procedural programming and functional programming? [closed]
...amming styles. ( Perl 6 and D 2 )
Procedural:
The output of a routine does not always have a direct correlation with the input.
Everything is done in a specific order.
Execution of a routine may have side effects.
Tends to emphasize implementing solutions in a linear fashion.
Perl 6
sub fac...
Possible reason for NGINX 499 error codes
...s happens on my Angular APP if the user closes the tab and my API requests does not get completed.
– Vivek Saurabh
Jun 26 at 7:20
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Why do enum permissions often have 0, 1, 2, 4 values?
...ently (Also notice that the Delete bit is not set and therefore this value does not convey permission to delete).
It allows one to store multiple flags in a single field of bits.
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Is the creation of Java class files deterministic?
...r options to avoid differences? Is a difference only possibly in theory or does Oracle's javac actually produce different class files for the same input and compiler options?
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How do you test that a Python function throws an exception?
How does one write a unittest that fails only if a function doesn't throw an expected exception?
13 Answers
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What's the -practical- difference between a Bare and non-Bare repository?
...ifference between a bare and non-bare repository is that a bare repository does not have a default remote origin repository:
~/Projects$ git clone --bare test bare
Initialized empty Git repository in /home/derek/Projects/bare/
~/Projects$ cd bare
~/Projects/bare$ git branch -a
* master
~/Projects/b...
Best practices for circular shift (rotate) operations in C++
...tate and shift instructions mask the shift-count the same way the C source does.
Compiler support for this UB-avoiding idiom on x86, for uint32_t x and unsigned int n for variable-count shifts:
clang: recognized for variable-count rotates since clang3.5, multiple shifts+or insns before that.
gcc:...