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Read file from line 2 or skip header row
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answered Jan 25 '11 at 17:26
SilentGhostSilentGhost
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Border length smaller than div width?
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225
You can use pseudoelements. E.g.
div {
width : 200px;
height : 50px;
positio...
How to find out what type of a Mat object is with Mat::type() in OpenCV
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edited Jul 23 '13 at 20:54
answered Jul 23 '13 at 20:40
O...
Find nearest value in numpy array
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531
import numpy as np
def find_nearest(array, value):
array = np.asarray(array)
idx = (np...
Getting “Warning! PATH is not properly set up” when doing rvm use 2.0.0 --default
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edited Oct 15 '16 at 10:43
Arslan Ali
15.7k77 gold badges4545 silver badges6363 bronze badges
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What is “entropy and information gain”?
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1051
I assume entropy was mentioned in the context of building decision trees.
To illustrate, imagi...
In what cases do I use malloc and/or new?
...Note: Some answers in this question are invalid.
int* p_scalar = new int(5); // Does not create 5 elements, but initializes to 5
int* p_array = new int[5]; // Creates 5 elements
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improv...
Sort an array in Java
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edited Jan 22 '12 at 10:55
answered Jan 20 '12 at 7:56
Pe...
What is the difference between typeof and instanceof and when should one be used vs. the other?
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554
Use instanceof for custom types:
var ClassFirst = function () {};
var ClassSecond = function ...
How to detect reliably Mac OS X, iOS, Linux, Windows in C preprocessor? [duplicate]
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517
There are predefined macros that are used by most compilers, you can find the list here. GCC c...