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Scala: what is the best way to append an element to an Array?
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206
You can use :+ to append element to array and +: to prepend it:
0 +: array :+ 4
should prod...
How to remove specific elements in a numpy array
...index)
For your specific question:
import numpy as np
a = np.array([1, 2, 3, 4, 5, 6, 7, 8, 9])
index = [2, 3, 6]
new_a = np.delete(a, index)
print(new_a) #Prints `[1, 2, 5, 6, 8, 9]`
Note that numpy.delete() returns a new array since array scalars are immutable, similar to strings in Python...
Visual Studio Editor does not underline errors anymore
My Visual Studio (2008) Editor has stopped to underline Errors (this nifty wavy red lines). I can't really tell when, but it can be related to the installation of .Net Framework 3.5 SP 1 or the MVC Beta (which I guess is unlikely). Furthermore have I installed and uninstalled both CodeRush and Resha...
What's the (hidden) cost of Scala's lazy val?
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edited Feb 20 '14 at 20:33
vergenzt
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MySQL - How to select data by string length
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502
You are looking for CHAR_LENGTH() to get the number of characters in a string.
For multi-byte ...
Is JSON Hijacking still an issue in modern browsers?
... possible to capture values passed to the [] or {} constructors in Firefox 21, Chrome 27, or IE 10. Here's a little test page, based on the main attacks described in http://www.thespanner.co.uk/2011/05/30/json-hijacking/:
(http://jsfiddle.net/ph3Uv/2/)
var capture = function() {
var ta = ...
Using “like” wildcard in prepared statement
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282
You need to set it in the value itself, not in the prepared statement SQL string.
So, this s...
Installing specific package versions with pip
I'm trying to install version 1.2.2 of the MySQL_python adaptor, using a fresh virtualenv created with the --no-site-packages option. The current version shown in PyPi is 1.2.3 . Is there a way to install the older version? I found an article stating that this should do it:
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git: Show index diff in commit message as comment
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answered Jan 20 '11 at 17:09
Alan Haggai AlaviAlan Haggai Alavi
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Why should Java ThreadLocal variables be static
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answered May 6 '10 at 20:01
AffeAffe
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