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PowerShell equivalent to grep -f
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Also, PowerShell tab completion will make commands properly capitalized, so it is not hard to input.
– joon
Jan 2 '14 at 3:36
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Allowed characters in filename [closed]
...bitten by that once when I shortened an include file from const.h to con.h and spent half an hour figuring out why the compiler hung.
Turns out DOS ignored extensions for devices so that con.h was exactly the same as con, the input console (meaning, of course, the compiler was waiting for me to typ...
In java how to get substring from a string till a character c?
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look at String.indexOf and String.substring.
Make sure you check for -1 for indexOf.
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Java int to String - Integer.toString(i) vs new Integer(i).toString()
...t is to print an int, you'd use the first one because it's lighter, faster and doesn't use extra memory (aside from the returned string).
If you want an object representing an integer value—to put it inside a collection for example—you'd use the second one, since it gives you a full-fledged o...
How to hide columns in HTML table?
...@Anuraj it should be noted that :first-child etc. are supported > IE 11 and Edge, good one anyway
– Vitaliy Terziev
Jul 26 '17 at 9:41
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How to force cp to overwrite without confirmation
I'm trying to use the cp command and force an overwrite.
16 Answers
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What is a vertical tab?
... the default vertical size being one line. I have tested with perl "\013" and the same output occurs. This could be used to do line feed without a carriage return on devices with convert linefeed to carriage-return + linefeed.
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How to get UTC timestamp in Ruby?
... needs additional information to even know that you're dealing with a time and not a number. A Time object solves this problem nicely by representing a point in time and also being explicit about what it is.
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How can I move a tag on a git branch to a different commit?
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What is not mentioned here and in the docs is, that this indeed does move the tag message, if no new message is given.
– Twonky
Jan 13 '15 at 16:06
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unix - head AND tail of file
Say you have a txt file, what is the command to view the top 10 lines and bottom 10 lines of file simultaneously?
20 Answer...