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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...
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What are transparent comparators?

... What problem does this solve, See Dietmar's answer and remyabel's answer. and does this change how standard containers work? No, not by default. The new member function template overloads of find etc. allow you to use a type that is comparable with the container's key,...
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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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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-...
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What does it mean to hydrate an object?

... exists in memory, that doesn't yet contain any domain data ("real" data), and then populating it with domain data (such as from a database, from the network, or from a file system). From Erick Robertson's comments on this answer: deserialization == instantiation + hydration If you don't need...
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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...
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How to change identity column values programmatically?

... You need to set identity_insert YourTable ON Then delete your row and reinsert it with different identity. Once you have done the insert don't forget to turn identity_insert off set identity_insert YourTable OFF ...
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No Multiline Lambda in Python: Why not?

...r syntax constructs in Python. I was thinking about this on the bus today and realized I couldn't think of a single Python construct that multiline lambdas clash with. Given that I know the language pretty well, this surprised me. ...
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Can't stop rails server

I am new to rails and I am using an ubuntu machine and the rubymine IDE. The problem is that I am unable to stop the rails server. I tried to stop the server by killing the rails process. But, when I run pgrep -l rails , no such process is found. So, I am only able to kill ruby processes, but, the ...