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How do I get the picture size with PIL?
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513
from PIL import Image
im = Image.open('whatever.png')
width, height = im.size
According to t...
pandas dataframe columns scaling with sklearn
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221
I am not sure if previous versions of pandas prevented this but now the following snippet works ...
What's the false operator in C# good for?
...d &&.
For example, look at this code (from http://ayende.com/blog/1574/nhibernate-criteria-api-operator-overloading - where I found out about this trick; archived version by @BiggsTRC):
public static AbstractCriterion operator &(AbstractCriterion lhs, AbstractCriterion rhs)
{
re...
Why can't I push to this bare repository?
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edited Mar 22 '16 at 19:09
ahsteele
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Is there a [Go to file…]?
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661
Since Xcode 4 (including 5, 6, 7, 8, 9, 10, 11 and 12) it's ⌘ + ⇧ + O
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Does the join order matter in SQL?
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231
For INNER joins, no, the order doesn't matter. The queries will return same results, as long as ...
Difference between namespace in C# and package in Java
... statement or fully-qualified name to mention the specific type.
package n1.n2;
class A {}
class B {}
or
package n1.n2;
class A {}
Another source file:
package n1.n2;
class B {}
Package cannot be nested. One source file can only have one package statement.
C#
Namespaces are ...
Error 'LINK : fatal error LNK1123: failure during conversion to COFF: file invalid or corrupt' after
I've installed Visual Studio 2012 Release Preview, and it appears to be fine, but now when I try to use Visual Studio 2010 to compile C++ projects, I get the following error message:
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Difference between reduce and foldLeft/fold in functional programming (particularly Scala and Scala
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261
reduce vs foldLeft
A big big difference, not mentioned in any other stackoverflow answer relati...
Make copy of an array
I have an array a which is constantly being updated. Let's say a = [1,2,3,4,5] . I need to make an exact duplicate copy of a and call it b . If a were to change to [6,7,8,9,10] , b should still be [1,2,3,4,5] . What is the best way to do this? I tried a for loop like:
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