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How to center absolute div horizontally using CSS?
...v and want it to be centered horizontally - although I'm giving it margin:0 auto; it's not centered...
8 Answers
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How do I get bit-by-bit data from an integer value in C?
...wanted){
int *bits = malloc(sizeof(int) * bitswanted);
int k;
for(k=0; k<bitswanted; k++){
int mask = 1 << k;
int masked_n = n & mask;
int thebit = masked_n >> k;
bits[k] = thebit;
}
return bits;
}
int main(){
int n=7;
int bitswanted = 5;
int...
How can I convert a zero-terminated byte array to string?
I need to read [100]byte to transfer a bunch of string data.
13 Answers
13
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Create an index on a huge MySQL production table without table locking
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[2017] Update: MySQL 5.6 has support for online index updates
https://dev.mysql.com/doc/refman/8.0/en/innodb-online-ddl-operations.html#online-ddl-index-syntax-notes
In MySQL 5.6 and higher, the table remains available for...
Numpy - add row to array
...pare 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] < 3]))
# returns:
array([[0, 1, 2],
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What is the difference between quiet NaN and signaling NaN?
...
70
When an operation results in a quiet NaN, there is no indication that anything is unusual until ...
What are Vertex Array Objects?
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102
"Vertex Array Object" is brought to you by the OpenGL ARB Subcommittee for Silly Names.
Think ...
Initialise a list to a specific length in Python [duplicate]
How do I initialise a list with 10 times a default value in Python?
3 Answers
3
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Fast way to get image dimensions (not filesize)
...re the better. I emphasize fast because my images are quite big (up to 250 MB) and it takes soooo long to get the size with ImageMagick's identify because it obviously reads the images as a whole first.
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Can I automatically increment the file build version when using Visual Studio?
...ally increment the build (and version?) of my files using Visual Studio (2005).
25 Answers
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