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UIButton: how to center an image and a text using imageEdgeInsets and titleEdgeInsets?
... to support iOS 7+ that have been recommended in comments below. I haven't tested this code myself, so I'm not sure how well it works or whether it would break if used under previous versions of iOS.
// the space between the image and text
CGFloat spacing = 6.0;
// lower the text and push it left s...
Is gcc std::unordered_map implementation slow? If so - why?
...cc-4.7.0 on Ubuntu - and another installation which is gcc 4.7.1 on debian testing).
I will submit a bug report.. until then: DO NOT use std::unordered_map with gcc 4.7!
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What's the difference between equal?, eql?, ===, and ==?
... true if obj and other refer to the same hash key. This is used by Hash to test members for equality. For objects of class Object, eql? is synonymous with ==. Subclasses normally continue this tradition by aliasing eql? to their overridden == method, but there are exceptions. Numeric types, for exam...
How to get hex color value rather than RGB value?
.... Your fiddle example: 'rgb(10, 128,)' I don't think that is reasonable to test on
– binderbound
Feb 19 '14 at 3:30
an...
C++ Best way to get integer division and remainder
...
I tried a quick test. With g++ 4.3.2 using -O2, the assembler output clearly shows it using one idivl instruction and using the results in eax and edx. I'd have been shocked if it didn't.
– Fred Larson
...
Do you need to use path.join in node.js?
... it uses forward versus back slashes. For example:
path.join("/var/www", "test")
Will correctly insert the separator between www and test /var/www/test
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What is the difference between bottom-up and top-down?
...tuitive and very easy to implement. Just write a recursive solution first, test it on small tests, add memoization (caching of already computed values), and --- bingo! --- you are done.
Usually you can also write an equivalent iterative program that works from the bottom up, without recursion. In t...
How to crop an image using C#?
...ially if your image is real great and resolutions are not exactly 96.0
My test example:
static Bitmap LoadImage()
{
return (Bitmap)Bitmap.FromFile( @"e:\Tests\d_bigImage.bmp" ); // here is large image 9222x9222 pixels and 95.96 dpi resolutions
}
static void TestBigImagePar...
What is the difference between require and require-dev sections in composer.json?
...nts
Typically, software will run in different environments:
development
testing
staging
production
Different Dependencies in Different Environments
The dependencies which are declared in the require section of composer.json are typically dependencies which are required for running an applicati...
Get a random boolean in python?
... 3: 4.65 usec per loop
$ python -m timeit -s "from random import random" "test = [random() < 0.5 for i in range(1000000)]"
10 loops, best of 3: 118 msec per loop
$ python -m timeit -s "import numpy as np" "test = np.random.randint(2, size=1000000)"
100 loops, best of 3: 6.31 msec per loop
...