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How to use gitignore command in git
...it rm --cached doc/*
If you don't already have a .gitignore, you can make one right inside of your project folder: project/.gitignore.
Put doc/* in the .gitignore
Stage the file to commit: git add project/.gitignore
Commit: git commit -m "message".
Push your change to github.
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Extract a regular expression match
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One way would be this:
test <- regexpr("[0-9]+","aaa12456xxx")
Now, notice regexpr gives you the starting and ending indices of the string:
> test
[1] 4
attr(,"match.length")
[1] 5
So you can use that info wi...
Regular expression for a hexadecimal number?
...starting with a 0, following by either a lower or uppercase x, followed by one or more characters in the ranges 0-9, or a-f, or A-F
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How to match any non white space character except a particular one?
... That should probably be /^\s+/ - start of line, followed by one or more whitespace characters.
– Tim Pietzcker
Mar 26 '19 at 21:47
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ASP.NET MVC Razor pass model to layout
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Working on legacy code where exactly this has been done. It's a nightmare. Don't type your layouts...pleeease!
– user338195
Sep 19 '13 at 10:47
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How To: Execute command line in C#, get STD OUT results
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There one other parameter I found useful, which I use to eliminate the process window
pProcess.StartInfo.CreateNoWindow = true;
this helps to hide the black console window from user completely, if that is what you desire.
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Callback functions in Java
... but there are many others in the package java.util.function. Most notable ones are
Supplier: void -> A
Consumer: A -> void
BiConsumer: (A,B) -> void
Function: A -> B
BiFunction: (A,B) -> C
and many others that specialize on some of the input/output type. Then, if it doesn't provide...
How to use a filter in a controller?
...zlowski.opensource is better than this because it reduces "magic strings". One benefit - what if this was in a much more complex controller and you failed to unit test the filter being used? You wouldn't notice the error if you use $filter('filtter1') (2 t's). However, if you inject filtter1Filter A...
In the shell, what does “ 2>&1 ” mean?
...utput (stdout).
File descriptor 2 is the standard error (stderr).
Here is one way to remember this construct (although it is not entirely accurate): at first, 2>1 may look like a good way to redirect stderr to stdout. However, it will actually be interpreted as "redirect stderr to a file named 1...
“Treat all warnings as errors except…” in Visual Studio
...tribute. An ObsoleteAttribute without comment generates the error 612, and one with a comment generates 618.
– Marco Spatz
Mar 30 '11 at 11:00
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