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Django queries - id vs pk
...s preferable. See the documentation of built-in functionid in the Python standard library. (It is the same in Python 2.)
– Lutz Prechelt
Mar 23 '16 at 8:17
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Numpy how to iterate over columns of array?
Suppose I have and m x n array. I want to pass each column of this array to a function to perform some operation on the entire column. How do I iterate over the columns of the array?
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Wait until a process ends
...cess.Exited event, I believe that you have to configure the process beforehand by setting Process.EnableRaisingEvents to true. Though, considering that this question is over three years old, it may be that Process.EnableRaisingEvents was not a thing at the time of it's having been asked.
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Add a fragment to the URL without causing a redirect?
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No worries - and it makes you wonder why it always returns it.
– alex
Nov 26 '10 at 2:13
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How can I use jQuery to make an input readonly?
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There are two attributes, namely readonly and disabled, that can make a semi-read-only input. But there is a tiny difference between them.
<input type="text" readonly />
<input type="text" disabled />
The readonly attribute makes your input text disab...
What does the “|” (single pipe) do in JavaScript?
... 1 0 = 10 (8 + 2)
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1 1 1 0 = 14 (8 + 4 + 2)
Bitwise ORing 6 and 10 will give you 14:
alert(6 | 10); // should show 14
Terribly confusing!
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How to use string.replace() in python 3.x
...blem. Python team if you are reading. SORT IT OUT!
– Andrew S
Oct 28 '16 at 0:56
2
Call the metho...
Find the extension of a filename in Ruby
... on the file upload portion of a Rails app. Different types of files are handled differently by the app.
4 Answers
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List OrderBy Alphabetical Order
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I wonder if you want to OrderBy Firstname and Lastname... what should you write?
– balexandre
Apr 16 '09 at 7:03
65
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Javascript Array Concat not working. Why?
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Here is the reason why:
Definition and Usage
The concat() method is used to join two or more arrays.
This method does not change the existing arrays, but returns a new
array, containing the values of the joined arrays.
You need to assign the resu...