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Simplest code for array intersection in javascript
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How is CountDownLatch used in Java Multithreading?
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edited Apr 4 '18 at 19:13
answered Jul 24 '13 at 7:06
Nik...
Print a list in reverse order with range()?
...parameters. range(start, stop, step)
For example, to generate a list [5,4,3,2,1,0], you can use the following:
range(5, -1, -1)
It may be less intuitive but as the comments mention, this is more efficient and the right usage of range for reversed list.
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COALESCE Function in TSQL
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answered Nov 13 '12 at 18:40
Bill MeliusBill Melius
1,03377 silver badges88 bronze badges
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Get all non-unique values (i.e.: duplicate/more than one occurrence) in an array
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Normalizing mousewheel speed across browsers
...he values. It has two flaws on OS X: Firefox on OS X will produce values 1/3 what they should be, and Chrome on OS X will produce values 1/40 what they should be.
// Returns +1 for a single wheel roll 'up', -1 for a single roll 'down'
var wheelDistance = function(evt){
if (!evt) evt = event;
va...
What is IP address '::1'?
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edited Mar 27 '13 at 21:25
answered Jan 6 '11 at 3:18
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What is the default scope of a method in Java?
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answered Apr 3 '09 at 17:01
Esko LuontolaEsko Luontola
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How to pass an array within a query string?
...n the section on multi-valued keys in Query string - Wikipedia, or in the W3C docs dealing with multi-select inputs.
UPDATE
As commenters have pointed out, this is very much framework-specific. Some examples:
Query string:
?list_a=1&list_a=2&list_a=3&list_b[]=1&list_b[]=2&l...
GroupBy pandas DataFrame and select most common value
...ata frame with three string columns. I know that the only one value in the 3rd column is valid for every combination of the first two. To clean the data I have to group by data frame by first two columns and select most common value of the third column for each combination.
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