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How do I check if a directory exists? “is_dir”, “file_exists” or both?
I want to create a directory if it does'nt exist already.
12 Answers
12
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Could I change my name and surname in all previous commits?
...er-branch --commit-filter 'if [ "$GIT_AUTHOR_NAME" = "Josh Lee" ];
then export GIT_AUTHOR_NAME="Hobo Bob"; export GIT_AUTHOR_EMAIL=hobo@example.com;
fi; git commit-tree "$@"'
This only affects the author, not the committer (which for most commits will be the same as the author). If you want to...
Android and in TextView
is it possible to add   in TextView? Has anyone achieved similar functionality?
7 Answers
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Haskell offline documentation?
...h to the base package) Hopefully it works for you!
EDIT2: This seems to fix the problem (for me):
$cd .cabal/share/hoogle-4.2.8/databases
$hoogle combine base.hoo
$hoogle foldl\'
Data.List foldl' :: (a -> b -> a) -> a -> [b] -> a
Data.Foldable foldl' :: Foldable t => (a -> b -...
A python class that acts like dict
...Oct 25 '10 at 12:47
Björn PollexBjörn Pollex
67.8k2424 gold badges170170 silver badges257257 bronze badges
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HTTP test server accepting GET/POST requests
...nk performs a GET, but if you do a POST to that url it works. Try: curl -iX POST httpbin.org/post it returns a 200.
– Robert
Nov 3 '15 at 23:36
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Viewing unpushed Git commits
...te repository? Occasionally, git status will print out that my branch is X commits ahead of origin/master , but not always.
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How to get the next auto-increment id in mysql
How to get the next id in mysql to insert it in the table
19 Answers
19
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How do I change the UUID of a virtual disk?
I am trying to create a new virtual machine with Oracle VirtualBox, using an already-existing hard disk. When I try to select the existing hard disk file, a .vhd file, it displays an error saying the virtual hard disk cannot be used because the UUID already exists.
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