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Switching between GCC and Clang/LLVM using CMake
...a number of projects built using CMake and I'd like to be able to easily switch between using GCC or Clang/LLVM to compile them. I believe (please correct me if I'm mistaken!) that to use Clang I need to set the following:
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Differences in boolean operators: & vs && and | vs ||
...;& and || but what are & and | ? Please explain these to me with an example.
11 Answers
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Why does a base64 encoded string have an = sign at the end
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It serves as padding.
A more complete answer is that a base64 encoded string doesn't always end with a =, it will only end with one or two = if they are required to pad the string out to the proper length.
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Can I run javascript before the whole page is loaded?
I want to run a bit of javascript before the whole page has loaded. Is this possible? Or does the code start to execute on </html> ?
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How to name and retrieve a stash by name in git?
... always under the impression that you could give a stash a name by doing git stash save stashname , which you could later on apply by doing git stash apply stashname . But it seems that in this case all that happens is that stashname will be used as the stash description.
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Declaring abstract method in TypeScript
...t, as is the class. You cannot directly instantiate an Animal now, because it is abstract. This is part of TypeScript 1.6, which is now officially live.
abstract class Animal {
constructor(protected name: string) { }
abstract makeSound(input : string) : string;
move(meters) {
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Expand div to max width when float:left is set
...ml lang="en">
<head>
<meta charset="UTF-8" />
<title>Content with Menu</title>
<style>
.content .left {
float: left;
width: 100px;
background-color: green;
}
.content .right {
margin-left: 100px;
bac...
How to Use slideDown (or show) function on a table row?
...for their visible display
property. The .hide() and .show()
methods, without animation, are always
safe to use with table rows. As of
jQuery version 1.1.3, .fadeIn() and
.fadeOut() can be used as well.
You can wrap your td contents in a div and use the slideDown on that. You need to ...
How to install Boost on Ubuntu
I'm on Ubuntu, and I want to install Boost. I tried with
7 Answers
7
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Using wget to recursively fetch a directory with arbitrary files in it
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You have to pass the -np/--no-parent option to wget (in addition to -r/--recursive, of course), otherwise it will follow the link in the directory index on my site to the parent directory. So the command would look like this:
wget --recursive --no-parent http://example.com/configs/....