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Switch statement for greater-than/less-than
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10 Answers
10
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C# List of objects, how do I get the sum of a property
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edited May 18 '17 at 10:29
Coops
4,12655 gold badges3131 silver badges5050 bronze badges
answered De...
Performant Entity Serialization: BSON vs MessagePack (vs JSON)
...:2} is stored in a file and you want to update the value of "a" from 1 to 2000.
With MessagePack, 1 uses only 1 byte but 2000 uses 3 bytes. So "b" must be moved backward by 2 bytes, while "b" is not modified.
With BSON, both 1 and 2000 use 5 bytes. Because of this verbosity, you don't have to move...
How do you reindex an array in PHP?
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edited Feb 26 '09 at 16:13
answered Feb 26 '09 at 16:07
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Convert a character digit to the corresponding integer in C
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As per other replies, this is fine:
char c = '5';
int x = c - '0';
Also, for error checking, you may wish to check isdigit(c) is true first. Note that you cannot completely portably do the same for letters, for example:
char c = 'b';
int x = c - 'a'; // x is now not necessarily 1
Th...
How do I check if an integer is even or odd? [closed]
...lo.c */
#include <stdio.h>
int main(void)
{
int x;
for (x = 0; x < 10; x++)
if (x % 2)
printf("%d is odd\n", x);
return 0;
}
/* and.c */
#include <stdio.h>
int main(void)
{
int x;
for (x = 0; x < 10; x++)
if (x & 1)
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convert from Color to brush
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edited Jan 15 '14 at 11:50
user2140173
answered Apr 12 '11 at 20:16
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delete_all vs destroy_all?
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80
It should also be noted that 1) Callbacks are not called when using delete_all, and 2) destroy_all instantiates all the records and destroys...
How can I convert an RGB image into grayscale in Python?
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320
How about doing it with Pillow:
from PIL import Image
img = Image.open('image.png').convert('LA...
TypeError: sequence item 0: expected string, int found
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edited Jun 4 '12 at 12:00
answered Jun 4 '12 at 11:54
cv...