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Remove file from the repository but keep it locally
...tion of the directory, but doesn't touch anything on disk. This works also for a file, like:
git rm --cached somefile.ext
Afterwards you may want to add somedir/ or somefile.ext to your .gitignore file so that git doesn't try to add it back.
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Understand homebrew and keg-only dependencies
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For a software to be "keg-only" means it is installed in /usr/local/Cellar but not linked into places like /usr/local/bin, /usr/local/lib, etc. That means other software that depends on it has to be compiled with specific ins...
Subscripts in plots in R
...en [a5] in the subscript but not [5a] or [a a]. I recently discovered this for: expression('x'['10sdt'])
– Cyrille
Sep 19 '14 at 13:26
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Using sed, how do you print the first 'N' characters of a line?
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colrm x
For example, if you need the first 100 characters:
cat file |colrm 101
It's been around for years and is in most linux's and bsd's (freebsd for sure), usually by default. I can't remember ever having to type apt-get insta...
Using GSON to parse a JSON array
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For me, this is turning my objects into a List of LinkedTreeMap instead of a List of Specification objects(for example).
– Ryan Newsom
Nov 15 '16 at 21:12
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Java: What is the difference between and ?
... to understand the following text... Does it mean that <clinit> is for empty constructors? Why is important to have two different versions?
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Does a break statement break from a switch/select?
...ification.
A "break" statement terminates execution of the innermost "for",
"switch" or "select" statement.
BreakStmt = "break" [ Label ] .
If there is a label, it must be that of an enclosing "for", "switch"
or "select" statement, and that is the one whose execution terminates
(§...
Grep for literal strings
I'm after a grep-type tool to search for purely literal strings. I'm looking for the occurrence of a line of a log file, as part of a line in a seperate log file. The search text can contain all sorts of regex special characters, e.g., []().*^$-\ .
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What is the purpose of the vshost.exe file?
...ation as soon as you want it to.
See this MSDN article and this blog post for more information.
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How can I apply styles to multiple classes at once?
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.abc, .xyz { margin-left: 20px; }
is what you are looking for.
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