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How random is JavaScript's Math.random?
For 6 years I've had a random number generator page on my website. For a long time, it was the first or second result on Google for "random number generator" and has been used to decide dozens, if not hundreds of contests and drawings on discussion forums and blogs (I know because I see the referr...
Font size in CSS - % or em?
... List Apart.
Their conclusion:
Sizing text and line-height in ems,
with a percentage specified on the
body (and an optional caveat for
Safari 2), was shown to provide
accurate, resizable text across all
browsers in common use today. This is
a technique you can put in your kit
bag ...
Work on a remote project with Eclipse via SSH
...
Try the Remote System Explorer (RSE). It's a set of plug-ins to do exactly what you want.
RSE may already be included in your current Eclipse installation. To check in Eclipse Indigo go to Window > Open Perspective > Other... and choose Remote System Expl...
How can I verify if one list is a subset of another?
...
The performant function Python provides for this is set.issubset. It does have a few restrictions that make it unclear if it's the answer to your question, however.
A list may contain items multiple times and has a specific order. A set does not. Additionally, sets only work on hashable ob...
Getting the ID of the element that fired an event
...ent.target.id);
});
});
Note also that this will also work, but that it is not a jQuery object, so if you wish to use a jQuery function on it then you must refer to it as $(this), e.g.:
$(document).ready(function() {
$("a").click(function(event) {
// this.append wouldn't work
...
What are the differences between LinearLayout, RelativeLayout, and AbsoluteLayout?
...ally/ horizontally).
RelativeLayout means based on relation of views from its parents and other views.
ConstraintLayout is similar to a RelativeLayout in that it uses relations to position and size widgets, but has additional flexibility and is easier to use in the Layout Editor.
WebView to load ...
How can I run a function from a script in command line?
...nes the functions and does nothing else, you can first execute the script within the context of the current shell using the source or . command and then simply call the function. See help source for more information.
share
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Is a GUID unique 100% of the time?
...tal
number of unique keys (2128 or
3.4×1038) is so large that the probability of the same number being
generated twice is very small. For
example, consider the observable
universe, which contains about 5×1022
stars; every star could then have
6.8×1015 universally unique GUIDs.
From Wikipedia.
T...
How to get a list of installed Jenkins plugins with name and version pair
...the information using the Jenkins Script Console which is accessible by visiting http://<jenkins-url>/script. (Given that you are logged in and have the required permissions).
Enter the following Groovy script to iterate over the installed plugins and print out the relevant information:
Je...
Get MD5 hash of big files in Python
I have used hashlib (which replaces md5 in Python 2.6/3.0) and it worked fine if I opened a file and put its content in hashlib.md5() function.
...