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Checking if an object is a given type in Swift
... is not a string array
}
You can use "as!" and that will throw a runtime error if obj is not of type [String]
let stringArray = obj as! [String]
You can also check one element at a time:
let items : [Any] = ["Hello", "World"]
for obj in items {
if let str = obj as? String {
// obj is ...
How to have stored properties in Swift, the same way I had on Objective-C?
...plemented code like yours but when updating to swift 2.0, i am getting the error cannot invoke initializer for type 'UInt' with an argument list of type 'objc_AssociationPolicy)'. Code in next comment
– user2363025
Oct 23 '15 at 7:16
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Writing outputs to log file and console
... running the user script like log file name and path, redirect outputs and errors to log file, database connection details, etc ) which redirects all the outputs ( echo messages ) and errors to the log file from the executed script using the following code:
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What is the Windows equivalent of the diff command?
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@AndriyM So, new files would cause FC to error out without returning any actual lines? Only the error message?
– Wolfpack'08
Jan 19 '14 at 22:22
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Is there a recommended way to return an image using ASP.NET Web API
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Why is there “data” and “newtype” in Haskell? [duplicate]
...type N = N Int
Then N undefined is equivalent to undefined and causes an error when evaluated. But D undefined is not equivalent to undefined, and it can be evaluated as long as you don't try to peek inside.
Couldn't the compiler handle this for itself.
No, not really—this is a case where...
How to reset sequence in postgres and fill id column with new data?
...oth provided solutions did not work for me;
> SELECT setval('seq', 0);
ERROR: setval: value 0 is out of bounds for sequence "seq" (1..9223372036854775807)
setval('seq', 1) starts the numbering with 2, and ALTER SEQUENCE seq START 1 starts the numbering with 2 as well, because seq.is_called is...
MySQL Server has gone away when importing large sql file
... tried to import a large sql file through phpMyAdmin...But it kept showing error
19 Answers
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Xcode: issue “file xxx.png is missing from working copy” at project building
... Commit and Push my latest changes. But doing just that did not remove the errors. So then I did Xcode > Source Control > Discard ALL Changes, and it cleaned up all the errors for me.
– EdwardM
Jan 24 '17 at 18:29
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