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How to find a min/max with Ruby
... so anything that includes Enumerable will have those methods available.
v2.4 introduces own Array#min and Array#max, which are way faster than Enumerable's methods because they skip calling #each.
@nicholasklick mentions another option, Enumerable#minmax, but this time returning an array of [min,...
What would cause an algorithm to have O(log n) complexity?
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290
I have to agree that it's pretty weird the first time you see an O(log n) algorithm... where o...
How to hide output of subprocess in Python 2.7
I'm using eSpeak on Ubuntu and have a Python 2.7 script that prints and speaks a message:
5 Answers
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How do write IF ELSE statement in a MySQL query
...ably want to use a CASE expression.
They look like this:
SELECT col1, col2, (case when (action = 2 and state = 0)
THEN
1
ELSE
0
END)
as state from tbl1;
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How do I use Nant/Ant naming patterns?
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241
The rules are:
a single star (*) matches zero or more characters within a path name
a double...
How to export plots from matplotlib with transparent background?
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2 Answers
2
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What does 'synchronized' mean?
...hout the synchronized keyword, your thread 1 may not see the change thread 2 made to foo, or worse, it may only be half changed. This would not be what you logically expect.
Again, this is a non-trivial topic in Java. To learn more, explore topics here on SO and the Interwebs about:
Concurrenc...
How add “or” in switch statements?
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326
By stacking each switch case, you achieve the OR condition.
switch(myvar)
{
case 2:
ca...
Breaking loop when “warnings()” appear in R
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152
You can turn warnings into errors with:
options(warn=2)
Unlike warnings, errors will interrup...
What are the aspect ratios for all Android phone and tablet devices?
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162
In case anyone wanted more of a visual reference:
Decimal approximations reference table:
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