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What does gcc's ffast-math actually do?
I understand gcc's --ffast-math flag can greatly increase speed for float ops, and goes outside of IEEE standards, but I can't seem to find information on what is really happening when it's on. Can anyone please explain some of the details and maybe give a clear example of how something would chan...
How to start an application using android ADB tools?
How do I send an intent using Android's ADB tools?
11 Answers
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Requirejs why and when to use shim config
...don't support AMD, but you need to manage their dependencies. For example, in the Backbone and Underscore example above: you know that Backbone requires Underscore, so suppose you wrote your code like this:
require(['underscore', 'backbone']
, function( Underscore, Backbone ) {
// do something...
How to link godaddy domain with AWS Elastic Beanstalk environment?
I'm running into this problem trying to link my Godaddy domain with an AWS Elastic Beanstalk instance . I found a lot of documentation on how to link an EC2 instance with a domain on Godaddy but not for Elastic Beanstalk instance. So I ended up with this URL: www.MY_SITE.elasticbeanstalk.com
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How do I make JavaScript beep?
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It's not possible to do directly in JavaScript. You'll need to embed a short WAV file in the HTML, and then play that via code.
An Example:
<script>
function PlaySound(soundObj) {
var sound = document.getElementById(soundObj);
sound.Play();
}
<...
How does Bluebird's util.toFastProperties function make an object's properties “fast”?
In Bluebird's util.js file , it has the following function:
1 Answer
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postgresql COUNT(DISTINCT …) very slow
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You can use this:
SELECT COUNT(*) FROM (SELECT DISTINCT column_name FROM table_name) AS temp;
This is much faster than:
COUNT(DISTINCT column_name)
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How to create a density plot in matplotlib?
In R I can create the desired output by doing:
5 Answers
5
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How to have no pagebreak after \include in LaTeX
...LaTeX makes me pagebreaks after each subsection because my subsections are in separate files. I use the command \include{file} which adds a pagebreak after the use of it.
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C# version of java's synchronized keyword?
...safe. Use YAGNI: only apply thread-safety when you know you actually are going to use it (and test it).
For the method-level stuff, there is [MethodImpl]:
[MethodImpl(MethodImplOptions.Synchronized)]
public void SomeMethod() {/* code */}
This can also be used on accessors (properties and events)...