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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 filter NSFetchedResultsController (CoreData) with UISearchDisplayController/UISearchBar
...chedResultsController.delegate = self;
[fetchRequest release];
NSError *error = nil;
if (![aFetchedResultsController performFetch:&error])
{
/*
Replace this implementation with code to handle the error appropriately.
abort() causes the application to...
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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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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Track all remote git branches as local branches
Tracking a single remote branch as a local branch is straightforward enough.
15 Answers
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Polymorphism vs Overriding vs Overloading
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How do I create a MongoDB dump of my database?
...ed to: prod.example.com
all dbs
DATABASE: log to dump/log
log.errors to dump/log/errors.bson
713 objects
log.analytics to dump/log/analytics.bson
234810 objects
DATABASE: blog to dump/blog
blog.posts to dump/log/blog.posts.bson
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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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How to check null objects in jQuery
...@AurelianoBuendia, you have used lenght instead of length; it's a spelling error.
– Sam
Aug 10 '12 at 8:28
4
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How do I install imagemagick with homebrew?
I'm trying to install Imagemagick on OSX Lion but something is not working as expected.
5 Answers
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