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How do you find out the type of an object (in Swift)?
When trying to understand a program, or in some corner-cases, it's useful to be able to actually find out what type something is. I know the debugger can show you some type information, and you can usually rely on type inference to get away with not specifying the type in those situations, but still...
Check OS version in Swift?
...version, you can also use the following Swift 2 feature which works on iOS and OS X:
if #available(iOS 9.0, *) {
// use the feature only available in iOS 9
// for ex. UIStackView
} else {
// or use some work around
}
BUT it is not recommended to check the OS version. It is better to c...
How do I push a local Git branch to master branch in the remote?
I have a branch called develop in my local repo, and I want to make sure that when I push it to origin it's merged with the origin/master. Currently, when I push it's added to a remote develop branch.
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Max length UITextField
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With Swift 5 and iOS 12, try the following implementation of textField(_:shouldChangeCharactersIn:replacementString:) method that is part of the UITextFieldDelegate protocol:
func textField(_ textField: UITextField, shouldChangeCharacter...
Why does Haskell's “do nothing” function, id, consume tons of memory?
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We know the type of id,
id :: a -> a
And when we specialize this for id id, the left copy of id has type:
id :: (a -> a) -> (a -> a)
And then when you specialize this again for the leftmost id in id id id, you get:
id :: ((a -> a) -> (a -> ...
Replacement for deprecated sizeWithFont: in iOS 7?
...h now takes an NSDictionary. Pass in the pair with key UITextAttributeFont and your font object like this:
CGRect rawRect = {};
rawRect.size = [string sizeWithAttributes: @{
NSFontAttributeName: [UIFont systemFontOfSize:17.0f],
}];
// Values are fractional -- you should take the ceil to get equ...
Centering text in a table in Twitter Bootstrap
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Add .texter-center in the <table> and all rows will become centered.
– chaim
Aug 9 '14 at 1:07
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How do I parse JSON in Android? [duplicate]
How do I parse a JSON feed in Android?
3 Answers
3
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How to create a tuple with only one element
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This isn't very elegant though and looks kind of confusing. Is there any other way?
– Robert Moore
Nov 26 '17 at 22:13
3
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PowerShell: Setting an environment variable for a single command only
... Just a thought: Couldn't you just spawn a new PowerShell process, handing the scriptblock into it via the -Command parameter? That way you don't have to clean up the environment afterwards, since that will be contained in the child process. Although I am talking to a PowerShell MVP so this p...