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What does numpy.random.seed(0) do?
What does np.random.seed do in the below code from a Scikit-Learn tutorial? I'm not very familiar with NumPy's random state generator stuff, so I'd really appreciate a layman's terms explanation of this.
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How do I check if file exists in jQuery or pure JavaScript?
...l, false);
http.send();
return http.status!=404;
}
Small changes and it could check for status HTTP status code 200 (success), instead.
EDIT 2: Since sync XMLHttpRequest is deprecated, you can add a utility method like this to do it async:
function executeIfFileExist(src, callback) {
...
How do I find which rpm package supplies a file I'm looking for?
... : base
Matched from:
Filename : /bin/grep
You may prefer the output and speed of the repoquery tool, available in the yum-utils package.
sudo yum install yum-utils
repoquery --whatprovides '*bin/grep'
grep-0:2.5.1-55.el5.x86_64
grep-0:2.5.1-55.el5.x86_64
repoquery can do other queries such...
How to check if Receiver is registered in Android?
...nregisterReceiver(BroadcastReceiver) passing itself as the argument after handling the Intent that it receives.
There is a small chance that the receiver's onReceive(Context, Intent) method is called
more than once, since it is registered with multiple IntentFilters, creating the potential for a...
About “*.d.ts” in TypeScript
I'm feeling curious about *.d.ts because I'm a newbie in TypeScript. And I was told by someone that this kind of file is something like "head file" in C++ but for JS only. But I cannot convert a pure JS file to *.d.ts file unless I forcely change the *.js to *.ts . So I have three files:
a JS...
How do you serve a file for download with AngularJS or Javascript?
...omatically when the document is unloaded; however, for optimal performance and memory usage, if there are safe times when you can explicitly unload them, you should do so.
Source: MDN
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CSS fixed width in a span
...lt;span></span> The lazy dog.</li>
<li><span>AND</span> The lazy cat.</li>
<li><span>OR</span> The active goldfish.</li>
</ul>
Like Eoin said, you need to put a non-breaking space into your "empty" spans, but you can'...
How do I install a plugin for vim?
...y the plugin for Vim linked below. It adds syntax highlighting for .haml and (perhaps) .sass files.
5 Answers
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Are GUID collisions possible?
...with the same GUID. I know that microsoft uses an algorithm to generate a random GUID that has an extremely low chance of causing collisons, but is a collision still possible?
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Sass and combined child selector
I've just discovered Sass, and I've been so excited about it.
2 Answers
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