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Calling a method every x minutes
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187
var startTimeSpan = TimeSpan.Zero;
var periodTimeSpan = TimeSpan.FromMinutes(5);
var timer = ...
On select change, get data attribute value
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edited May 29 '13 at 0:12
answered Dec 1 '11 at 17:32
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Possible to do a MySQL foreign key to one of two possible tables?
...es (
user_id INT NOT NULL,
place_id INT NOT NULL,
place_type VARCHAR(10) -- either 'states' or 'countries'
-- foreign key is not possible
);
There's no way to model Polymorphic Associations using SQL constraints. A foreign key constraint always references one target table.
Polymorphic As...
Validate that end date is greater than start date with jQuery
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15 Answers
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Parse DateTime string in JavaScript
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140
See:
Mozilla Core JavaScript Reference: Date object
Mozilla Core JavaScript Reference: Strin...
Automatic counter in Ruby for each?
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191
As people have said, you can use
each_with_index
but if you want indices with an iterator ...
Group a list of objects by an attribute : Java
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12 Answers
12
Active
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Cannot use Server.MapPath
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edited Apr 26 '17 at 11:04
Chandan Kumar
3,75133 gold badges3333 silver badges5858 bronze badges
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How to merge images in command line? [closed]
...s. Some tutorial about it here.
Example (vertical sprite):
convert image1.png image2.png image3.png -append result/result-sprite.png
Example (horizontal sprite):
convert image1.png image2.png image3.png +append result/result-sprite.png
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How to make PowerShell tab completion work like Bash
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177
New versions of PowerShell include PSReadline, which can be used to do this:
Set-PSReadlineKe...