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Why does Double.NaN==Double.NaN return false?
...ith an IEEE-conforming float will produce false. So that standard differs from Java in that IEEE demands that (NAN != NAN) == false.
– Drew Dormann
Jan 17 '12 at 19:57
2
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dealloc in Swift
...
deinit {
// perform the deinitialization
}
From the Swift Documentation:
A deinitializer is called immediately before a class instance is
deallocated. You write deinitializers with the deinit keyword, similar
to how intializers are written with the init keywor...
Rails 3: I want to list all paths defined in my rails application
I want to list all defined helper path functions (that are created from routes) in my rails 3 application, if that is possible.
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Difference between string and char[] types in C++
...are faster than heap-allocated char arrays for short texts and protect you from buffer overruns. Plus they're more readable and easier to use.
However, C++ strings are not (very) suitable for usage across DLL boundaries, because this would require any user of such a DLL function to make sure he's...
Checking if an object is a given type in Swift
...ld only use as without the ? if there is no way your program could recover from the object not being of that type because the program will immediately halt if it is not. Using the ? in the if statement allows the program to continue.
– drewag
Jun 6 '14 at 23:55...
How accurately should I store latitude and longitude?
...ng it at the same place?
As a good database design, I would accept values from a user for maybe a few more than five decimal digits, then round and capture only five for consistency [maybe six if your instruments are good and your end use warrants it].
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Date.getDay() javascript returns wrong day
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Here's more: function getMonth returns an integer from 0 to 11, with 0 for January and 11 for December. They must be smoking some heavy stuff over there
– taralex
Jul 21 '16 at 21:04
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Android and XMPP: Currently available solutions [closed]
...smack for developing my xmpp client,I am facing a problem > When i come from 1st time login I start my chatting with user B and receiving messages from user B also that is fine.i switch off my wifi and switch on it again then programatically reconnecting my jabber server and again login my accoun...
PHP Remove elements from associative array
I have an PHP array that looks something like this:
9 Answers
9
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UITableView - change section header color
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Hopefully this method from the UITableViewDelegate protocol will get you started:
Objective-C:
- (UIView *) tableView:(UITableView *)tableView viewForHeaderInSection:(NSInteger)section
{
UIView *headerView = [[[UIView alloc] initWithFrame:CGR...