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How does java do modulus calculations with negative numbers?
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Both definitions of modulus of negative numbers are in use - some languages use one definition ...
SVN:externals equivalent in Git?
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The Godfather
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answered Feb 20 '09 at 23:58
PaulPaul
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Grouped LIMIT in PostgreSQL: show the first N rows for each group?
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edited Aug 11 '16 at 9:08
ngspkinga
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answered May 19 '11 at 19:5...
Twig for loop for arrays with keys
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answered Apr 24 '12 at 14:00
GuillaumeGuillaume
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Convert dd-mm-yyyy string to date
...#datepicker").val().split("-")
var f = new Date(from[2], from[1] - 1, from[0])
Use regex
var date = new Date("15-05-2018".replace( /(\d{2})-(\d{2})-(\d{4})/, "$2/$1/$3"))
Why not use regex?
Because you know you'll be working on a string made up of three parts, separated by hyphens.
However, i...
Validate uniqueness of multiple columns
...be patched?
– Alexey
Jul 16 '12 at 20:09
13
Alexey, validates_uniqueness_of [:user_id, :friend_id...
Removing a model in rails (reverse of “rails g model Title…”)
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answered Aug 18 '11 at 10:35
Mikhail NikalyukinMikhail Nikalyukin
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What is this CSS selector? [class*=“span”]
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Good references
CSS3 Attribute Selectors: Substring Matching
The 30 CSS Selectors you Must Memorize
W3C CSS3 Selectors
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Remove Object from Array using JavaScript
...eArray = someArray.slice(1); // first element removed
//3
someArray.splice(0, 1); // first element removed
//4
someArray.pop(); // last element removed
//5
someArray = someArray.slice(0, a.length - 1); // last element removed
//6
someArray.length = someArray.length - 1; // last element removed
If ...
Convert a timedelta to days, hours and minutes
...ics", e.g.:
def days_hours_minutes(td):
return td.days, td.seconds//3600, (td.seconds//60)%60
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