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Create list of single item repeated N times
...swered Aug 11 '10 at 14:04
Mark ByersMark Byers
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Is there a Pattern Matching Utility like GREP in Windows?
...dows 3.5x. The command prompt was considered such a "second class citizen" by Microsoft back then that lots of useful command-line utilities have been overlooked in the documentation ☹️
– Ken Keenan
Aug 20 '18 at 12:02
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How to change Android version and code version number?
...e the relevent lines in the build.gradle. Using the method below suggested by Ivo Stoyanov worked and added the lines.
– s1ni5t3r
Apr 10 '16 at 10:24
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Can an enum class be converted to the underlying type?
... imageUploader: {
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Convert Go map to json
...), but it still does not do what you would expect: play.golang.org/p/0aFaQ_ByOk
– julienc
Oct 13 '17 at 15:49
is there...
Convert data.frame column format from character to factor
...e over each entry rather than the column as a whole. This can be prevented by using df[,col_names,drop=FALSE].
– P Schnell
Sep 11 '16 at 17:14
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mkdir's “-p” option
...s needed
Use case example: Assume I want to create directories hello/goodbye but none exist:
$mkdir hello/goodbye
mkdir:cannot create directory 'hello/goodbye': No such file or directory
$mkdir -p hello/goodbye
$
-p created both, hello and goodbye
This means that the command will create all th...
What's a reliable way to make an iOS app crash?
I want to test my app's crash reporting out in the field by deliberately having it crash when the user performs a particular action that a real user is unlikely to do accidentally.
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How can I read and parse CSV files in C++?
...don't worry about escaping new lines and commas). The main need is a line-by-line parser that will return a vector for the next line each time the method is called.
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_=> what does this underscore mean in Lambda expressions?
... over into other programming languages. It is, for example, also used in Ruby to mean the same thing as in this example, even though _ has absolutely no special significance in Ruby.
– Jörg W Mittag
May 6 '10 at 5:33
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