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Dump a mysql database to a plaintext (CSV) backup from the command line
...t creates one .sql file with the CREATE TABLE DROP IF EXISTS syntax and a .txt file with the contents, tab separated. To create comma separated files you could use the following:
mysqldump --password --fields-optionally-enclosed-by='"' --fields-terminated-by=',' --tab /tmp/path_to_dump/ database_n...
M_PI works with math.h but not with cmath in Visual Studio
...it would just be
add_compile_definitions(_USE_MATH_DEFINES)
in CMakeLists.txt.
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How can I format patch with what I stash away
... Thanks. This worked for me: git stash show -p stash@{1} > patch.txt
– Ryan
May 30 '14 at 15:51
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How to install Android SDK Build Tools on the command line?
...The correct way is to append the equals sign, e.g. --package_file=packages.txt.
– Alex Lipov
Mar 11 '17 at 10:51
Unfor...
How do I use shell variables in an awk script?
...different Field Separator FS for each file.
awk 'some code' FS=',' file1.txt FS=';' file2.ext
Variable after the code block will not work for the BEGIN block:
echo "input data" | awk 'BEGIN {print var}' var="${variable}"
Here-string
Variable can also be added to awk using a here-string fro...
How to redirect stderr and stdout to different files in the same line in script?
...tderr) in one single file you may want to use:
command > merged-output.txt 2>&1
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How can I get the behavior of GNU's readlink -f on a Mac?
...el Kallweitt post in mackb.com.
brew install coreutils
greadlink -f file.txt
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How to evaluate a math expression given in string form?
...getEngineByName("JavaScript") .eval("var f = new java.io.FileWriter('hello.txt'); f.write('UNLIMITED POWER!'); f.close();"); -- will write a file via JavaScript into (by default) the program's current directory
– Boann
Feb 27 '16 at 13:37
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Git command to show which specific files are ignored by .gitignore
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doc/index.html README.txt tmp/dir0/file0 tmp/file1 tmp/file2
doc:
index.html
tmp:
dir0 file1 file2
tmp/dir0:
file0
and a .gitignore like this:
# cat .gitignore
doc
tmp/*
This ignores the doc directory and all files below tmp.
Git work...
How can I install from a git subdirectory with pip?
...of pip v1.5, released Jan 1 2014: github.com/pypa/pip/blob/develop/CHANGES.txt
– tomka
Feb 10 '14 at 14:10
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