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Using multiple let-as within a if-statement in Swift
...atitudeDouble is non-optional in here and importantThing is true
}
Swift 1.2:
Apple may have read your question, because your hoped-for code compiles properly in Swift 1.2 (in beta today):
if let latitudeDouble = latitude as? Double, longitudeDouble = longitude as? Double {
// do stuff here
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How to copy a row and insert in same table with a autoincrement field in MySQL?
In MySQL I am trying to copy a row with an autoincrement column ID=1 and insert the data into same table as a new row with column ID=2 .
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How to retrieve a user environment variable in CMake (Windows)
...cript
You can pass a variable on the line with the cmake invocation:
FOO=1 cmake
or by exporting a variable in BASH:
export FOO=1
Then you can pick it up in a cmake script using:
$ENV{FOO}
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Failed binder transaction when putting an bitmap dynamically in a widget
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This is caused because all the changes to the RemoteViews are serialised (e.g. setInt and setIma...
Executing periodic actions in Python [duplicate]
I am working on Windows. I want to execute a function foo() every 10 seconds.
9 Answers
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Warning message: In `…` : invalid factor level, NA generated
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216
The warning message is because your "Type" variable was made a factor and "lunch" was not a def...
How to implode array with key and value without foreach in PHP
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Adding rounded corner and drop shadow to UICollectionViewCell
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15 Answers
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How to create new tmux session if none exists
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edited Jan 18 '11 at 12:34
answered Jan 17 '11 at 20:49
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Difference between Destroy and Delete
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edited Mar 5 '18 at 21:56
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answered Mar 31 '14 at 9:03
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