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How do I get the key at a specific index from a Dictionary in Swift?

I have a Dictionary in Swift and I would like to get a key at a specific index. 10 Answers ...
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UIDevice uniqueIdentifier deprecated - What to do now?

...ght that the UIDevice uniqueIdentifier property is deprecated in iOS 5 and unavailable in iOS 7 and above. No alternative method or property appears to be available or forthcoming. ...
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When and how should I use a ThreadLocal variable?

... One possible (and common) use is when you have some object that is not thread-safe, but you want to avoid synchronizing access to that object (I'm looking at you, SimpleDateFormat). Instead, give each thread its own instance of the object...
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Non-static variable cannot be referenced from a static context

... You must understand the difference between a class and an instance of that class. If you see a car on the street, you know immediately that it's a car even if you can't see which model or type. This is because you compare what you see with t...
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Cleanest way to toggle a boolean variable in Java?

... and it conforms to DRY :) – Tetha Oct 22 '08 at 6:21 6 ...
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Reload the path in PowerShell

If I have an instance of PowerShell ISE running and I install something that modifies the PATH or I modify it in any way outside of PowerShell then I need to restart PowerShell for it to see the updated PATH variable. ...
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Why is it considered a bad practice to omit curly braces? [closed]

...ctually, the only time that's ever really bit me was when I was debugging, and commented out bar(): if(foo) // bar(); doSomethingElse(); Other than that, I tend to use: if(foo) bar(); Which takes care of the above case. EDIT Thanks for clarifying the question, I agree, we should not write c...
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HTTP headers in Websockets client API

... Updated 2x Short answer: No, only the path and protocol field can be specified. Longer answer: There is no method in the JavaScript WebSockets API for specifying additional headers for the client/browser to send. The HTTP path ("GET /xyz") and protocol header ("Sec-...
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Error handling principles for Node.js + Express.js applications?

It seems like error reporting/handling is done differently in Node.js+ Express.js applications compared to other frameworks. Am I correct in understanding that it works as follows? ...
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Tools for Generating Mock Data? [closed]

...a set (unlimited size) it supports various input (CSV, Flat Files, DBUnit) and output format (CSV, Flat Files, DBUnit, XML, Excel, Scripts) it can be used on the command line or through a maven plugin it's open source and customizable I would give it a try. BTW, a list of similar products is avai...