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Strange SQLAlchemy error message: TypeError: 'dict' object does not support indexing
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answered Dec 29 '11 at 10:08
NileshNilesh
16.8k1010 gold badges6565 silver badges113113 bronze badges
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How to calculate a logistic sigmoid function in Python?
...:
In [9]: import numpy as np
In [10]: x = np.random.random(1000000)
In [11]: def sigmoid_array(x):
....: return 1 / (1 + np.exp(-x))
....:
(You'll notice the tiny change from math.exp to np.exp (the first one does not support arrays, but is much...
Get week of year in JavaScript like in PHP
...is Monday in week 1 of 2015
* 2012/1/1 is Sunday in week 52 of 2011
*/
function getWeekNumber(d) {
// Copy date so don't modify original
d = new Date(Date.UTC(d.getFullYear(), d.getMonth(), d.getDate()));
// Set to nearest Thursday: current date + 4 - current day number
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jQuery $(“#radioButton”).change(…) not firing during de-selection
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311
Looks like the change() function is only called when you check a radio button, not when you unc...
Behaviour of final static method
...scenario
– srikanth r
Feb 20 '16 at 11:14
@SeanOwen I don't think this is correct either, the compiler should say that...
Python Progress Bar
... Wolph
66.6k99 gold badges120120 silver badges141141 bronze badges
answered Jul 1 '10 at 18:57
ChristopheDChristopheD
95.7k242...
SQL Server database backup restore on lower version
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answered May 31 '11 at 5:36
Remus RusanuRemus Rusanu
268k3636 gold badges397397 silver badges525525 bronze badges
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How to set default value for form field in Symfony2?
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edited Jul 5 '19 at 11:12
answered Oct 27 '11 at 10:07
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Why is lazy evaluation useful?
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– John Montgomery
Nov 5 '08 at 15:11
24
Generators make lazy lists easy in Python, but other la...
How do I copy a version of a single file from one git branch to another?
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edited Jan 3 '18 at 17:11
nickf
482k187187 gold badges607607 silver badges703703 bronze badges
answer...