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How exactly does CMake work?
...rce builds and you don't even have to look at the generated files. If you didn't do this so far (which I guess is the case, since you wrote cmake .), please check them out before proceeding. Mixing the build and source directory is really painful with CMake and is not how the system is supposed to b...
What is the difference between “#!/usr/bin/env bash” and “#!/usr/bin/bash”?
...fferent systems. As long as it's in your path, it will find it.
One downside is that you will be unable to pass more than one argument (e.g. you will be unable to write /usr/bin/env awk -f) if you wish to support Linux, as POSIX is vague on how the line is to be interpreted, and Linux interprets e...
Sprintf equivalent in Java
... %s".format(key, value);
The original Java authors (and .NET authors) decided that a static method made more sense in this situation, as you are not modifying the target, but instead calling a format method and passing in an input string.
Here is an example of why format() would be dumb as an ins...
How much of a git sha is *generally* considered necessary to uniquely identify a change in a given c
...ugh to make your eyes not bleed, but long enough that the chance of it colliding would be negligible, how much of the SHA substring is generally required?
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What is Mocking?
...ck to answer my own question above. The answer, is that the only way to validate that the code went through the desired function and not another function is using a bool check. Using that bool check is the distinction between stubs and mocks. Having that said a lot of times you literally just test t...
What is the difference between Digest and Basic Authentication?
...cation should generally only be used where transport layer security is provided such as https.
See RFC-2617 for all the gory details.
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Multiple file upload in php
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HTML
create div with id='dvFile';
create a button;
onclick of that button calling function add_more()
JavaScript
function add_more() {
var txt = "<br><input type=\"file\" name=\"item_file[]\">";
document.getElementById("dvFil...
encryption/decryption with multiple keys
...recipient bob@example.com doc.txt
This feature is detailed in the user guide section entitled "Encrypting and decrypting documents"
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iOS 7's blurred overlay effect using CSS?
It seems Apple's overlay is more than just a transparency. Any ideas on how to achieve this effect with CSS and possibly JS?
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prototype based vs. class based inheritance
...gy issues here, mostly built around someone (not you) trying to make their idea sound like The Best.
All object oriented languages need to be able to deal with several concepts:
encapsulation of data along with associated operations on the data, variously known as data members and member function...