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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...
Java Equivalent of C# async/await?
...user960567: You need to distinguish between the version of C# you're using and the version of .NET you're using. async/await is a language feature - it was introduced in C# 5. Yes, you can use Microsoft.Bcl.Async to use async/await targeting .NET 4, but you've still got to use a C# 5 compiler.
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Adjusting and image Size to fit a div (bootstrap)
...ithin a specific size div. Unfortunately, the image isn't conforming to it and is instead proportionally shrinking to a size that isn't big enough. I'm not sure what the best way is to go about getting the image to fit inside it is.
...
What is the meaning of “$” sign in JavaScript
...from one of the popular JavaScript libraries (jQuery, ProtoType, mooTools, and so on).
There's nothing mysterious about the use of $ in JavaScript. $ is simply a valid JavaScript identifier.
JavaScript allows upper and lower letters, numbers, and $ and _. The $ was intended to be used for machine-...
How to revert a merge commit that's already pushed to remote branch?
git revert <commit_hash> alone won't work. -m must be specified, and I'm pretty confused about it.
16 Answers
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How to enumerate an enum with String type?
...
print($0.rawValue)
}
Compatibility with earlier Swift versions (3.x and 4.x)
If you need to support Swift 3.x or 4.0, you may mimic the Swift 4.2 implementation by adding the following code:
#if !swift(>=4.2)
public protocol CaseIterable {
associatedtype AllCases: Collection where AllC...
Call Go functions from C
...hould make things a little clearer.
package foo
// extern int goCallbackHandler(int, int);
//
// static int doAdd(int a, int b) {
// return goCallbackHandler(a, b);
// }
import "C"
//export goCallbackHandler
func goCallbackHandler(a, b C.int) C.int {
return a + b
}
// This is the public ...
Start thread with member function
...o construct a std::thread with a member function that takes no arguments and returns void . I can't figure out any syntax that works - the compiler complains no matter what. What is the correct way to implement spawn() so that it returns a std::thread that executes test() ?
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How do I pass a unique_ptr argument to a constructor or a function?
I'm new to move semantics in C++11 and I don't know very well how to handle unique_ptr parameters in constructors or functions. Consider this class referencing itself:
...
How can I detect if a browser is blocking a popup?
...thing I answered this 6 years ago - I sadly no longer recall the situation and browsers have come a long ways in 6 years.
– ajwaka
Apr 3 at 15:09
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