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Extract substring in Bash
...ed) and 5 is the length
If the underscores around the digits are the only ones in the input, you can strip off the prefix and suffix (respectively) in two steps:
tmp=${a#*_} # remove prefix ending in "_"
b=${tmp%_*} # remove suffix starting with "_"
If there are other underscores, it's proba...
Visual Studio appears to randomly adopt American keyboard layout
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I had removed all keyboard input alternatives except the one I use, and still I was able to toggle between my setup and the US setup in Visual Studio only. Weird. Had to remove the shift+alt key binding to avoid this problem.
– angularsen
Jul ...
How to use wait and notify in Java without IllegalMonitorStateException?
... need to multiply them and then print the results of each cell. As soon as one cell is ready I need to print it, but for example I need to print the [0][0] cell before cell [2][0] even if the result of [2][0] is ready first. So I need to print it by order.
So my idea is to make the printer thread wa...
How to get current relative directory of your Makefile?
...ce $(MAKEFILE_LIST) with two makefiles gives you a single string "Makefile One Makefile Two, which cannot handle spaces
– mrosales
Jan 24 '15 at 17:05
2
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Read url to string in few lines of java code
...the main method to, say getText, pass URL string as a parameter and have a one-liner: String content = URLConnectionReader.getText("http://www.yahoo.com/");
– Goran Jovic
Dec 1 '10 at 20:27
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javascript function leading bang ! syntax
...a large block of code will expect a self-invocation, the way we are conditioned already to expect the same when we see (function. Except that we will lose those annoying parentheses. I would expect that's the reason, as opposed to any savings in speed or character count.
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What is the performance cost of having a virtual method in a C++ class?
Having at least one virtual method in a C++ class (or any of its parent classes) means that the class will have a virtual table, and every instance will have a virtual pointer.
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How to use XPath contains() here?
...his query will give you the elements that have a class of featureList with one or more li children that contain the text, 'Model'.
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git command to move a folder inside another
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One of the nicest things about git is that you don't need to track file renames explicitly. Git will figure it out by comparing the contents of the files.
So, in your case, don't work so hard:
$ mkdir include
$ mv common in...
How to check if a specific key is present in a hash or not?
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While Hash#has_key? gets the job done, as Matz notes here, it has been deprecated in favour of Hash#key?.
hash.key?(some_key)
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