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How do I sort an NSMutableArray with custom objects in it?
...er:
NSSortDescriptor *sortDescriptor;
sortDescriptor = [[NSSortDescriptor alloc] initWithKey:@"birthDate"
ascending:YES];
NSArray *sortedArray = [drinkDetails sortedArrayUsingDescriptors:@[sortDescriptor]];
You can easily sort by multiple keys by adding ...
How to validate an email address using a regular expression?
... that involves sending that address a message that includes a confirmation token meant to be entered on the same web page as was the address.
Confirmation tokens are the only way to know you got the address of the person entering it. This is why most mailing lists now use that mechanism to confirm...
Benchmarking small code samples in C#, can this implementation be improved?
... call, not before. That way you know .NET will already have enough memory allocated from the OS for the working set of your function.
Keep in mind that you're making a non-inlined method call for each iteration, so make sure you compare the things you're testing to an empty body. You'll also have...
Index (zero based) must be greater than or equal to zero
...his line:
Aboutme.Text = String.Format("{2}", reader.GetString(0));
The token {2} is invalid because you only have one item in the parms. Use this instead:
Aboutme.Text = String.Format("{0}", reader.GetString(0));
shar...
What is the difference between indexOf() and search()?
...nt - try "hello.".search(".") - it returns 0, not 5 because . is the regex token for "any character"
– user993683
Jun 22 '17 at 3:05
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Constructors in Go
... makeThing(name string) Thing {
return Thing{name, 33}
}
Reference : Allocation with new in Effective Go.
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How to sort an array by a date property
...ave hit production performance issues specifically for that reason. Do not allocate memory (and GC) inside a sort method.
– MikeMurko
Jul 13 '19 at 5:26
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Positioning MKMapView to show multiple annotations at once
... How do you create the CLLocationCoordinate2D *coords array? Using malloc()?
– Hlung
Feb 23 '14 at 9:24
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How can I parse a local JSON file from assets folder into a ListView?
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Allocating the buffer based on the result returned by available() is incorrect as per the Java docs: docs.oracle.com/javase/7/docs/api/java/io/… "Note that while some implementations of InputStream will return the tota...
Why should text files end with a newline?
...n with the POSIX definition in mind, then it might be easier to modify the token stream rather than the parser — in other words, add an “artificial newline” token to the end of the input.
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