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Rollback a Git merge
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edited May 23 '17 at 12:10
Community♦
111 silver badge
answered Jul 30 '12 at 13:32
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How to define optional methods in Swift protocol?
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523
1. Using default implementations (preferred).
protocol MyProtocol {
func doSomething()
}
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Add a column to a table, if it does not already exist
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You can use a similar construct by using the sys.columns table io sys.objects.
IF NOT EXISTS ...
How to generate serial version UID in Intellij
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Without any plugins:
You just need to enable highlight: (Idea v.2016, 2017 and 2018, previous versions may have same or similar settings)
File -> Settings -> Editor -> Inspections -> Java -> Serialization issues -> Serializable class without 'serialVersionUID' - set...
How do I view 'git diff' output with my preferred diff tool/ viewer?
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26 Answers
26
Active
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PostgreSQL - Rename database
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answered Sep 27 '08 at 15:03
bmdhacksbmdhacks
14.8k88 gold badges3232 silver badges5454 bronze badges
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:after vs. ::after
Is there any functional difference between the CSS 2.1 :after and the CSS 3 ::after pseudo-selectors (other than ::after not being supported in older browsers)? Is there any practical reason to use the newer specification?
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Nginx not picking up site in sites-enabled?
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200
I had the same problem. It was because I had accidentally used a relative path with the symbol...
Skip List vs. Binary Search Tree
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Skip lists are more amenable to concurrent access/modification. Herb Sutter wrote an article ...
Python 3 ImportError: No module named 'ConfigParser'
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edited Apr 13 '16 at 12:10
Mark Amery
98.8k4848 gold badges336336 silver badges379379 bronze badges
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