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Why use Dijkstra's Algorithm if Breadth First Search (BFS) can do the same thing faster?
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ArkkuArkku
36.2k1010 gold badges5656 silver badges7777 bronze badges
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Does name length impact performance in Redis?
...chmark("GET",cmd,len);
free(cmd);
Here's the GET test speed for 3 subsequent runs of the short key "foo":
59880.24 requests per second
58139.53 requests per second
58479.53 requests per second
Here's the GET test speed after modifying the source again and changing the key to "set-allB...
What's “wrong” with C++ wchar_t and wstrings? What are some alternatives to wide characters?
...e largest extended character set specified among the supported locales (22.3.1).
— C++ [basic.fundamental] 3.9.1/5
This does not requ...
Can't escape the backslash with regex?
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3
@JimMichaels because not all languages have unescaped regex literals, and thus sometimes the programming language itself interprets slash es...
SVN how to resolve new tree conflicts when file is added on two branches
...ocal obstruction, incoming add upon merge' variety. Fixed expectations in r35341.
(This is also called "evil twins" in ClearCase by the way):
a file is created twice (here "added" twice) in two different branches, creating two different histories for two different elements, but with the same name.
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Does it make sense to do “try-finally” without “catch”?
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answered Apr 10 '10 at 18:39
Taylor LeeseTaylor Leese
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How to determine if a list of polygon points are in clockwise order?
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23 Answers
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Using the slash character in Git branch name
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% cd .git/refs/heads
% ls -l
total 0
-rw-rw-r-- 1 jhe jhe 41 2009-11-14 23:51 labs
-rw-rw-r-- 1 jhe jhe 41 2009-11-14 23:51 master
% mkdir labs
mkdir: cannot create directory 'labs': File exists
You're getting the equivalent of the "cannot create directory" error.
When you have a branch wi...
How to generate a new Guid in stored procedure?
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edited May 23 '17 at 12:26
Community♦
111 silver badge
answered Oct 14 '10 at 22:33
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Numpy - add row to array
... If it is a 2D-array, how can you then compare its row to a number: i < 3?
EDIT after OP's comment:
A = array([[0, 1, 2], [0, 2, 0]])
X = array([[0, 1, 2], [1, 2, 0], [2, 1, 2], [3, 2, 0]])
add to A all rows from X where the first element < 3:
import numpy as np
A = np.vstack((A, X[X[:,0]...