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How can I get the intersection, union, and subset of arrays in Ruby?
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2 big crimes in this answer: (1) The word set as variable name of a plain array; (2) Replicating everything that Array already does. If the OP wants to add functionality to the Array class with some additional methods, you should simply do: class MultiSet <...
CSS hexadecimal RGBA?
...; token whose value consists of 3, 4, 6, or 8 hexadecimal digits. In other words, a hex color is written as a hash character, "#", followed by some number of digits 0-9 or letters a-f (the case of the letters doesn’t matter - #00ff00 is identical to #00FF00).
8 digits
The first 6 digits ...
Difference between framework vs Library vs IDE vs API vs SDK vs Toolkits? [closed]
...ogether) that provides a specific coding structure & pattern (thus the word, framework). (e.g. Spring Framework)
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Inline functions in C#?
...programmer really wants to use Inlining in here, but the JIT has the final word on it. Hence MSDN: The method should be inlined if possible.
– Orel Eraki
Nov 17 '12 at 10:55
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Renaming xcode 4 project and the actual folder
...ng TextEdit. I think the trick is to replace "Contains" attribute to "Full word" while conducting search and replace. And I post the detailed instruction below.
– Philip007
Sep 19 '12 at 8:43
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How to grep (search) committed code in the Git history
...010.1.1 -- path_containing_change
See Git history - find lost line by keyword for more.
As Jakub Narębski commented:
this looks for differences that introduce or remove an instance of <string>.
It usually means "revisions where you added or removed line with 'Foo'".
the --pickaxe-regex...
sed command with -i option (in-place editing) works fine on Ubuntu but not Mac [duplicate]
...o the the Sed script (command) - is now interpreted as the suffix, and the word file is interpreted as the script.
Interpreting such a word as script then leads to obscure error message such as
sed: 1: "file": invalid command code f,
because the f is interpreted as a Sed command (function).
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Difference between single and double quotes in Bash
... This was a short concise answer in my opinion without being overly wordy that was easy for me to comprehend. When saying translation/transformation they are meaning double quotes will expandthe variable where single quotes will not expand the variable.
– B_e_n_n_y_
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Practical non-image based CAPTCHA approaches?
...them.
You could do trivia questions in the same way ReCaptcha does printed words. It offers two words, one of which it knows the answer to, another which it doesn't - after enough answers on the second, it now knows the answer to that too. Ask two trivia questions:
A woman needs a man like a fish ...
C++ : why bool is 8 bits long?
...lly the 8bits byte).
Access to memory is always in "chunks" (multiple of words, this is for efficiency at the hardware level, bus transactions): a boolean bit cannot be addressed "alone" in most CPU systems. Of course, once the data is contained in a register, there are often specialized instructi...