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Coloring white space in git-diff's output

... @Paul_Whittaker cat -A isn't portable. On BSD cat, there is no such option. Please use cat -vet instead. – 7heo.tk Apr 25 '15 at 8:07 add a co...
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Bash: infinite sleep (infinite blocking)

... BSD (or at least OS X) doesn't understand sleep infinity either, though it was a cool thing to learn about for Linux. However, while true; do sleep 86400; done ought to be an adequate substitute. – Ivan ...
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What is the difference between single-quoted and double-quoted strings in PHP?

...r in which single and double quotes are essentially equally fast since PHP 4.3 (Useless Optimizations toward the bottom, section C). Also, this benchmarks page has a single vs double quote comparison. Most of the comparisons are the same. There is one comparison where double quotes are slower than s...
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Ignoring a class property in Entity Framework 4.1 Code First

...oft.com/en-us/library/hh295847(v=vs.103).aspx The version I checked is EF 4.3, which is the latest stable version available when you use NuGet. Edit : SEP 2017 Asp.NET Core(2.0) Data annotation If you are using asp.net core (2.0 at the time of this writing), The [NotMapped] attribute can be used ...
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How to check if a variable is set in Bash?

...ons, e.g. [ -z "" -a -z ${var+x} ] gets bash: [: argument expected in bash 4.3-ubuntu (but not e.g. zsh). I really dislike the answer using a syntax that happens to work in some cases. – FauxFaux Jun 11 '15 at 11:32 ...
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How to use shell commands in Makefile

... != command args... in several make variants, including all modern GNU and BSD variants as far as I know. These other variants do not have $(shell) so using VAR != command args... is superior in both being shorter and working in more variants. ...
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Find when a file was deleted in Git

... BSD/OSX sed is apparently not always good with semicolons as command separators. Try changing them into newlines, or switch to sed -n -e '/^commit/h' -e '\:/some_dir/:{' -e G -e 's/\ncommit \(.*\)/ \1/gp' -e } ...
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How to define hash tables in Bash?

... Which version of bash supports mkdir -d? (Not 4.3, on Ubuntu 14. I'd resort to mkdir /run/shm/foo, or if that filled up RAM, mkdir /tmp/foo.) – Camille Goudeseune Aug 22 '17 at 21:56 ...
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How to find out the number of CPUs using python

...> 0: return res except ImportError: pass # BSD try: sysctl = subprocess.Popen(['sysctl', '-n', 'hw.ncpu'], stdout=subprocess.PIPE) scStdout = sysctl.communicate()[0] res = int(scStdout) if res >...
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Is System.nanoTime() completely useless?

... I don't suppose there are updated on this, wrt. behavior on Linux, BSD or other platforms? – Tomer Gabel Dec 11 '13 at 14:55 6 ...