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Why do I get TypeError: can't multiply sequence by non-int of type 'float'?

...hat everyone here talked about multiplying a float with a string (but here all my element were floats all along) so the problem was actually using the * operator on a list. For example: import math import numpy as np alpha = 0.2 beta=1-alpha C = (-math.log(1-beta))/alpha coff = [0.0,0.01,0.0,0.3...
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Is it possible to read from a InputStream with a timeout?

Specifically, the problem is to write a method like this: 8 Answers 8 ...
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How can I use console logging in Internet Explorer?

...(false, 'YOU FAIL'); </script> Also, you can clear the Console by calling console.clear(). NOTE: It appears you must launch the Developer Tools first then refresh your page for this to work. share | ...
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Vagrant's port forwarding not working [closed]

I'm running into a small problem at the end of the Getting Started guide for vagrant . I'm working on a CentOS basebox that has Apache2 running (provisioning via Puppet). I've set up port forwarding for web requests using the following line in Vagrantfile : ...
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Why does isNaN(“ ”) (string with spaces) equal false?

... You should try NaN===NaN or NaN==NaN;-) I don't know if all this means the javascript engine is wacky or that javascript is bad for wacky programmers though. – KooiInc May 5 '09 at 22:01 ...
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How to make a DIV visible and invisible with JavaScript

...ffects: Adjusting style.display will look as if element is not present at all ("removed"). elem.style.display = 'none'; // hide elem.style.display = 'block'; // show - use this for block elements (div, p) elem.style.display = 'inline'; // show - use this for inline elements (span, a) or style.vi...
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Symbolic link to a hook in git

... All this worked for me in the end. The only difference is that I am linking to my own prepare-commit-msg. The problem is if I am editing the commit message using nano, then Ctl+X out to abort, git still completes a commit any...
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How to detect responsive breakpoints of Twitter Bootstrap 3 using JavaScript?

... following responsive breakpoints: 768px, 992px and 1200px, representing small, medium and large devices respectively. 29 A...
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Single Line Nested For Loops

...ertools.product, which returns an iterable yielding tuples of values from all the iterables you pass it. That is, itertools.product(A, B) yields all values of the form (a, b), where the a values come from A and the b values come from B. For example: import itertools A = [50, 60, 70] B = [0.1, 0.2...
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How to move columns in a MySQL table?

...erform on a large table? Is it just changing some metadata, or does it actually have to reorganize data on the disk? – Kip Nov 12 '15 at 16:01 7 ...