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How do I check if there are duplicates in a flat list?

... Use set() to remove duplicates if all values are hashable: >>> your_list = ['one', 'two', 'one'] >>> len(your_list) != len(set(your_list)) True share | ...
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Getting the object's property name

... More specifically, Object.keys(obj) returns an array of property names, i.e. keys, belonging to the passed in obj. – a learner has no name Mar 26 '16 at 12:43 ...
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What is the difference between the kernel space and the user space?

... The really simplified answer is that the kernel runs in kernel space, and normal programs run in user space. User space is basically a form of sand-boxing -- it restricts user programs so they can't mess with memory (and other reso...
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Deciding between HttpClient and WebClient

Our web app is running in .Net Framework 4.0. The UI calls controller methods through ajax calls. 7 Answers ...
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What is Node.js? [closed]

I don't fully get what Node.js is all about. Maybe it's because I am mainly a web based business application developer. What is it and what is the use of it? ...
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How do I get current date/time on the Windows command line in a suitable format for usage in a file/

Update: Now that it's 2016 I'd use PowerShell for this unless there's a really compelling backwards-compatible reason for it, particularly because of the regional settings issue with using date . See @npocmaka's https://stackoverflow.com/a/19799236/8479 ...
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How to use performSelector:withObject:afterDelay: with primitive types in Cocoa?

The NSObject method performSelector:withObject:afterDelay: allows me to invoke a method on the object with an object argument after a certain time. It cannot be used for methods with a non-object argument (e.g. ints, floats, structs, non-object pointers, etc.). ...
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How to determine a Python variable's type?

...I see the type of a variable whether it is unsigned 32 bit, signed 16 bit, etc.? 17 Answers ...
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Adding a directory to $LOAD_PATH (Ruby)

...so long as the memory usage is the same for each, which I assume it essentially is. – boulder_ruby Oct 12 '12 at 1:47 ...
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Download the Android SDK components for offline install

Is it possible to download the Android SDK components for offline install without using the SDK Manager? The problem is I am behind a firewall which I have no control over and both sites download URLs seem to be blocked (throws a connection refused exception) ...