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Using a Single Row configuration table in SQL Server database. Bad idea?
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190
I have done this two ways in the past - a single row table and a key/value pair table - and ther...
Python: try statement in a single line
...iables to something. If they might not get set, set them to None first (or 0 or '' or something if it is more applicable.)
If you do assign all the names you are interested in first, you do have options.
The best option is an if statement.
c = None
b = [1, 2]
if c is None:
a = b
else:
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Random number generation in C++11: how to generate, how does it work? [closed]
...uppose you have a simple random number generator that generate the numbers 0, 1, ..., 10 each with equal probability (think of this as the classic rand()). Now you want a random number in the range 0, 1, 2, each with equal probability. Your knee-jerk reaction would be to take rand() % 3. But wait, t...
What's the difference between @Secured and @PreAuthorize in spring security 3?
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170
The real difference is that @PreAuthorize can work with Spring Expression Language (SpEL). You c...
Can you have if-then-else logic in SQL? [duplicate]
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106
You can make the following sql query
IF ((SELECT COUNT(*) FROM table1 WHERE project = 1) > ...
Python: how to print range a-z?
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answered Jul 6 '10 at 21:01
John La RooyJohn La Rooy
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Gradle buildscript dependencies
...omusHiery Nomus
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Get User's Current Location / Coordinates
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230
To get a user's current location you need to declare:
let locationManager = CLLocationManager()...
What is the use of the @ symbol in PHP?
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answered Jun 23 '09 at 12:09
RichieHindleRichieHindle
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How to copy from current position to the end of line in vi
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edited Jun 7 '19 at 21:50
Mike Lyons
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answered ...