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How does tuple comparison work in Python?
...ist, the shorter collection is ordered first (for example, [1,2] < [1,2,3] is true).
If not equal, the sequences are ordered the same as their first differing elements. For example, cmp([1,2,x], [1,2,y]) returns the same as cmp(x,y). If the corresponding element does not exist, the shorter sequ...
How do you test functions and closures for equality?
...e one the
function type expects.
https://devforums.apple.com/message/1035180#1035180
This means that you should not even try to compare closures for equality because optimizations may affect the outcome.
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Installing Ruby Gem in Windows
...
73
I recommend you just use rubyinstaller
It is recommended by the official Ruby page - see https:...
Performance of FOR vs FOREACH in PHP
...rotime(true) - $start, " Seconds\n";
And the results:
Completed in 0.0073502063751221 Seconds
Completed in 0.0019769668579102 Seconds
Completed in 0.0011849403381348 Seconds
Completed in 0.00111985206604 Seconds
So if you're modifying the array in the loop, it's several times faster to use refe...
How to make a variadic macro (variable number of arguments)
...
Alex BAlex B
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How JavaScript closures are garbage collected
...window.f_ = null; and it will be gone.
Update
I have tried it in Chrome 30, FF25, Opera 12 and IE10 on Windows.
The standard doesn't say anything about garbage collection, but gives some clues of what should happen.
Section 13 Function definition, step 4: "Let closure be the result of creatin...
How do I write stderr to a file while using “tee” with a pipe?
...
813
I'm assuming you want to still see STDERR and STDOUT on the terminal. You could go for Josh Kel...
Php multiple delimiters in explode
...
SergeSSergeS
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Let JSON object accept bytes or let urlopen output strings
With Python 3 I am requesting a json document from a URL.
12 Answers
12
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How to check if a string is a valid hex color representation?
... -> match end
i -> ignore case
If you need support for 3-character HEX codes, use the following:
/^#([0-9A-F]{3}){1,2}$/i.test('#ABC')
The only difference here is that
[0-9A-F]{6}
is replaced with
([0-9A-F]{3}){1,2}
This means that instead of matching exactly 6 charact...