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error: ‘NULL’ was not declared in this scope
I get this message when compiling C++ on gcc 4.3
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How to display unique records from a has_many through relationship?
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Why is GHC so large/big?
...lly really. Every library that comes with GHC is provided in no less than 4 flavours:
static
dynamic
profiled
GHCi
The GHCi version is just the static version linked together in a single .o file. The other three versions all have their own set of interface files (.hi files) too. The profiled ...
How can I open several files at once in Vim?
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104
The command you are looking for is args:
For example:
:args /path_to_dir/*
will open all fil...
PHP cURL vs file_get_contents
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edited Sep 17 '14 at 14:47
MediaVince
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answered Jun 16 '1...
How are cookies passed in the HTTP protocol?
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How to detect if a specific file exists in Vimscript?
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How to check if a model has a certain column/attribute?
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edited Sep 25 '15 at 4:34
mahemoff
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How do I disconnect all other users in tmux?
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K Erlandsson
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answered Mar 4 '14 at 22:39
demuredemure
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Replacing some characters in a string with another character
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340
echo "$string" | tr xyz _
would replace each occurrence of x, y, or z with _, giving A__BC___...