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How can I concatenate two arrays in Java?
I need to concatenate two String arrays in Java.
61 Answers
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Maximum number of characters using keystrokes A, Ctrl+A, Ctrl+C and Ctrl+V
This is an interview question from google. I am not able to solve it by myself. Can somebody shed some light?
14 Answers
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In SQL, what's the difference between count(column) and count(*)?
I have the following query:
11 Answers
11
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How to prevent ENTER keypress to submit a web form?
How do you prevent an ENTER key press from submitting a form in a web-based application?
29 Answers
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How to keep one variable constant with other one changing with row in excel
Lets say I have one cell A1, which I want to keep constant in a calculation. For example, I want to calculate a value like this:
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Apply function to all elements of collection through LINQ [duplicate]
I have recently started off with LINQ and its amazing. I was wondering if LINQ would allow me to apply a function - any function - to all the elements of a collection, without using foreach. Something like python lambda functions.
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Standard deviation of a list
I want to find mean and standard deviation of 1st, 2nd,... digits of several (Z) lists. For example, I have
8 Answers
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What are the differences between Autotools, Cmake and Scons?
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In truth, Autotools' only real 'saving grace' is that it is what all the GNU projects are largely using.
Issues with Autotools:
Truly ARCANE m4 macro syntax combined with verbose, twisted shell scripting for tests for "com...
In C# check that filename is *possibly* valid (not that it exists) [duplicate]
Is there a method in the System.IO namespace that checks the validity of a filename?
14 Answers
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Are arrays in PHP copied as value or as reference to new variables, and when passed to functions?
...part of your question, see the array page of the manual, which states (quoting) :
Array assignment always involves value
copying. Use the reference operator to
copy an array by reference.
And the given example :
<?php
$arr1 = array(2, 3);
$arr2 = $arr1;
$arr2[] = 4; // $arr2 is changed...