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What's the difference between .bashrc, .bash_profile, and .environment?

...or login at the text console of a local unix machine). these are the ones called, say, .login or .profile or .zlogin (depending on which shell you're using). Then you have config files that are read by "interactive" shells (as in, ones connected to a terminal (or pseudo-terminal in the case of, say...
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Zero-pad digits in string

... First of all, your description is misleading. Double is a floating point data type. You presumably want to pad your digits with leading zeros in a string. The following code does that: $s = sprintf('%02d', $digit); For more informa...
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How to call a stored procedure from Java and JPA

I am writing a simple web application to call a stored procedure and retrieve some data. Its a very simple application, which interacts with client's database. We pass employee id and company id and the stored procedure will return employee details. ...
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Understanding FFT output

...sqrt (real * real + imag * imag). This number will always be positive. Now all you have to search is for the maximum value (ignore the first entry in your array. That is your DC offset and carries no frequency dependent information). You get 32 real and 32 imaginary outputs because you are using a ...
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sphinx-build fail - autodoc can't import/find module

...can use the Makefile created by Sphinx to create your documentation. Just call make to see the options. If something went wrong before try: make clean before running make html. share | improv...
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PHP check whether property exists in object or class

... edited Mar 15 at 15:51 Abel Callejo 9,05577 gold badges4444 silver badges6262 bronze badges answered Jan 19 '13 at 12:32 ...
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How do you Force Garbage Collection from the Shell?

... java.lang:type=Memory #bean is set to java.lang:type=Memory $>run gc #calling operation gc of mbean java.lang:type=Memory #operation returns: null $>quit #bye Look at the docs on the jmxterm web site for information about embedding this in bash/perl/ruby/other scripts. I've used popen2 in ...
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What are POD types in C++?

...pod<MyType>() to tell whether MyType is POD. – allyourcode Mar 31 '14 at 21:24 7 Bjarne Str...
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Difference between signed / unsigned char [duplicate]

...gard) as int, short and other integer types. char just happens to be the smallest integer type. So, just like any other integer type, it can be signed or unsigned. It is true that (as the name suggests) char is mostly intended to be used to represent characters. But characters in C are represented ...
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Find a pair of elements from an array whose sum equals a given number

Given array of n integers and given a number X, find all the unique pairs of elements (a,b), whose summation is equal to X. ...