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What do @, - and + do as prefixes to recipe lines in Make?
...cussed in §5.2 of the GNU Make manual; - is described in §5.5; and §5.7.1 mentions the use of +.)
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Python concatenate text files
I have a list of 20 file names, like ['file1.txt', 'file2.txt', ...] . I want to write a Python script to concatenate these files into a new file. I could open each file by f = open(...) , read line by line by calling f.readline() , and write each line into that new file. It doesn't seem very "el...
Difference between “and” and && in Ruby?
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351
and is the same as && but with lower precedence. They both use short-circuit evaluation....
How to remove files that are listed in the .gitignore but still on the repository?
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You can remove them from the repository manually:
git rm --cached file1 file2 dir/file3
Or, if you have a lot of files:
git rm --cached `git ls-files -i --exclude-from=.gitignore`
But this doesn't seem to work in Git Bash on Windows. It produces an error message. The following works bette...
How To Check If A Key in **kwargs Exists?
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170
You want
if 'errormessage' in kwargs:
print("found it")
To get the value of errormessag...
What use is find_package() if you need to specify CMAKE_MODULE_PATH anyway?
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edited May 23 '17 at 12:26
Community♦
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answered Dec 31 '13 at 12:00
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How to schedule a task to run when shutting down windows
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In which situations do we need to write the __autoreleasing ownership qualifier under ARC?
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edited Nov 22 '13 at 22:50
Imre Kelényi
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What are the rules for calling the superclass constructor?
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Center image in div horizontally [duplicate]
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edited Jul 1 '18 at 12:52
Clemens Tolboom
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