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How to create a colored 1x1 UIImage on the iPhone dynamically?
I would like to create a 1x1 UIImage dynamically based on a UIColor.
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How do you set, clear, and toggle a single bit?
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Setting a bit
Use the bitwise OR operator (|) to set a bit.
number |= 1UL << n;
That will set the nth bit of number. n should be zero, if you want to set the 1st bit and so on upto n-1, if you want to set the nth bit.
Use 1ULL if number is wider than unsigned long; promotion of 1UL <&...
Capitalize the first letter of both words in a two word string
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12 Answers
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How does the bitwise complement operator (~ tilde) work?
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How to format strings in Java
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140
In addition to String.format, also take a look java.text.MessageFormat. The format less terse...
Get week of year in JavaScript like in PHP
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19 Answers
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Transpose/Unzip Function (inverse of zip)?
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12 Answers
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What does the star operator mean, in a function call?
...arguments, so you can do this:
def sum(a, b):
return a + b
values = (1, 2)
s = sum(*values)
This will unpack the tuple so that it actually executes as:
s = sum(1, 2)
The double star ** does the same, only using a dictionary and thus named arguments:
values = { 'a': 1, 'b': 2 }
s = sum(*...