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How do I check if a string contains another string in Objective-C?

...} if the "haystack" does not contain the "needle". And if you're on iOS 8 or OS X Yosemite, you can now do: (*NOTE: This WILL crash your app if this code is called on an iOS7 device). NSString *string = @"hello bla blah"; if ([string containsString:@"bla"]) { NSLog(@"string contains bla!"); } ...
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Why is there no Char.Empty like String.Empty?

... 280 There's no such thing as an empty char. The closest you can get is '\0', the Unicode "null" cha...
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mongodb group values by multiple fields

...on code is appropriate for usage with current LTS versions of NodeJS from v8.x and v10.x releases. That's mostly for the async/await syntax, but there is nothing really within the general flow that has any such restriction, and adapts with little alteration to plain promises or even back to plain ca...
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Why are flag enums usually defined with hexadecimal values

... 186 Rationales may differ, but an advantage I see is that hexadecimal reminds you: "Okay, we're not...
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Difference in months between two dates

...nsider what happens when two dates span a 31 day month, a 30 day month, a 28 day February or a 29 day February. If the results of your formula deliver what the system requires then it's clearly the right choice. If not, then something else is required. – Adam Ralph ...
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Remove an Existing File from a Git Repo

... answered Nov 8 '10 at 16:44 Tim VisherTim Visher 12.3k1616 gold badges5555 silver badges6666 bronze badges ...
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Safe integer parsing in Ruby

... 8 Answers 8 Active ...
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Performance of foreach, array_map with lambda and array_map with static function

...FETCH $3 $2, ->15 8 > OP_DATA 9 ASSIGN !2, $3 13 10 EXT_STMT ...
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Alter table add multiple columns ms sql

... James 1,87222 gold badges2424 silver badges3333 bronze badges answered Mar 26 '10 at 13:50 Philip KelleyPhili...
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Move an item inside a list?

... David ZDavid Z 111k2323 gold badges218218 silver badges256256 bronze badges 22 ...