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What is in your Mathematica tool bag? [closed]
We all know that Mathematica is great, but it also often lacks critical functionality. What kind of external packages / tools / resources do you use with Mathematica?
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Better way to shuffle two numpy arrays in unison
...create two views into this single array simulating the two arrays you have now. You can use the single array for shuffling and the views for all other purposes.
Example: Let's assume the arrays a and b look like this:
a = numpy.array([[[ 0., 1., 2.],
[ 3., 4., 5.]],
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Sharing link on WhatsApp from mobile website (not application) for Android
...ebsite and seems to work on latest Android with latest chrome and whatsapp now too! Give the link a new shot!
<a href="whatsapp://send?text=The text to share!" data-action="share/whatsapp/share">Share via Whatsapp</a>
Rechecked it today (17th April 2015):
Works for me on iOS 8 (iPhone...
How to check whether a file is empty or not?
...ument.txt') as my_file:
... # I already have file open at this point.. now what?
... my_file.seek(0) #ensure you're at the start of the file..
... first_char = my_file.read(1) #get the first character
... if not first_char:
... print "file is empty" #first character is the em...
Function that creates a timestamp in c#
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//Find unix timestamp (seconds since 01/01/1970)
long ticks = DateTime.UtcNow.Ticks - DateTime.Parse("01/01/1970 00:00:00").Ticks;
ticks /= 10000000; //Convert windows ticks to seconds
timestamp = ticks.ToString();
Adjusting the denominator allows you to choose your level of precision
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Make body have 100% of the browser height
... thanks, this seem to remove the white bar on short pages, but now on pages which height exceeds the browser window height I get a 20px white bar at the bottom :|
– bodyofheat
Jul 11 '11 at 19:01
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Handling file renames in git
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In git 1.9.1 git status now behaves like git commit.
– Jacques René Mesrine
Oct 5 '15 at 16:11
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How to remove/change JQuery UI Autocomplete Helper text?
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I know this has been asnwered but just wanted to give an implementation example:
var availableTags = [
"ActionScript",
"AppleScript",
"Asp",
"BASIC",
"C",
"C++"
];
$("#find-subj").autoco...
CoffeeScript on Windows?
...tried this a while back and it didn't work, but I tried again recently and now all the standard CoffeeScript tests compile just fine.
A bit of plumbing code using a *.wsf file and coffee-script.js is all you need. My code is on GitHub: https://github.com/duncansmart/coffeescript-windows
I blogged ...
What is this Javascript “require”?
...b browser with a limited global context defined mostly by what came to be known as the Document Object Model (DOM) level 0 (the Netscape Navigator Javascript API).
Server-side Javascript eliminates that restriction and allows Javascript to call into various pieces of native code (like the Postgres ...