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What is the benefit of using $() instead of backticks in shell scripts?

... An example, though somewhat contrived: deps=$(find /dir -name $(ls -1tr 201112[0-9][0-9]*.txt | tail -1l) -print) which will give you a list of all files in the /dir directory tree which have the same name as the earliest dated text file from December 2011 (a). Another example would be somethi...
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How do I count the number of occurrences of a char in a String?

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How to convert decimal to hexadecimal in JavaScript

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How to find out which processes are using swap space in Linux?

...sing 81M of swap, but it also reports my system as a whole is using only 2M of swap. Therefore, I will not add a similar Swap column to htop because I don't know a reliable way to get this information (actually, I don't think it's possible to get an exact number, because of shared pages). ...
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What is the difference between “long”, “long long”, “long int”, and “long long int” in C++?

...tions about the long data type. In Java, to hold an integer greater than 2 32 , you would simply write long x; . However, in C++, it seems that long is both a data type and a modifier. ...
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Cleanest and most Pythonic way to get tomorrow's date?

... 252 datetime.date.today() + datetime.timedelta(days=1) should do the trick ...
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How to empty a list?

... label with a new empty list: del lst[:] Here's an example: lst1 = [1, 2, 3] lst2 = lst1 del lst1[:] print(lst2) For the sake of completeness, the slice assignment has the same effect: lst[:] = [] It can also be used to shrink a part of the list while replacing a part at the same time (but ...
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Convert a string representation of a hex dump to a byte array using Java?

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Why should Java ThreadLocal variables be static

... answered May 6 '10 at 20:01 AffeAffe 44.2k1010 gold badges7676 silver badges8080 bronze badges ...
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How to align absolutely positioned element to center?

... 224 If you set both left and right to zero, and left and right margins to auto you can center an a...