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When are you truly forced to use UUID as part of the design?

...dom - there are major components of the UUID that are time and/or location-based. So to have any real chance at a collision, the colliding UUIDs need tobe generated at the exact same time from different UUID generators. I'd say that while there is a reasonable chance that several UUID's might be ge...
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How do I determine the current operating system with Node.js

... On Mac the variable returns darwin. On Windows, it returns win32 (even on 64 bit). Current possible values are: aix darwin freebsd linux openbsd sunos win32 I just set this at the top of my jakeFile: var isWin = process.platform === "win32"; ...
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Pick a random element from an array

...so that we have: UInt.random UInt8.random UInt16.random UInt32.random UInt64.random UIntMax.random // closed intervals: (-3...3).random (Int.min...Int.max).random // and collections, which return optionals since they can be empty: (1..<4).sample [1,2,3].sample "abc".characters.sample ["a": 1...
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Modify Address Bar URL in AJAX App to Match Current State

... I ended up being a big fan of history.js to cover the bases for browser compatibility github.com/andreasbernhard/history.js – jocull Feb 11 '13 at 16:01 ...
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Strings in a DataFrame, but dtype is object

...ndarray. Every element in a ndarray must has the same size in byte. For int64 and float64, they are 8 bytes. But for strings, the length of the string is not fixed. So instead of save the bytes of strings in the ndarray directly, Pandas use object ndarray, which save pointers to objects, because of ...
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Can you use if/else conditions in CSS?

... You could create two separate stylesheets and include one of them based on the comparison result In one of the you can put background-position : 150px 8px; In the other one background-position : 4px 8px; I think that the only check you can perform in CSS is browser recognition: Cond...
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What is the difference between indexOf() and search()?

...rals or string objects but not regular expressions. It also accepts a zero-based integer value to start its search from, e.g.: "babyelephant".indexOf("e"); // gives you 4 "babyelephant".indexOf("e",5); // gives you 6 as the search starts from 6th position or 5th index. var m= /e/; "babyelephant"....
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Open a new tab in gnome-terminal using command line [closed]

I'm using Ubuntu 9.04 x64 and when I write: 10 Answers 10 ...
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Is it better to call ToList() or ToArray() in LINQ queries?

... JaredParJaredPar 648k133133 gold badges11601160 silver badges13951395 bronze badges ...
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Constructor overload in TypeScript

Has anybody done constructor overloading in TypeScript. On page 64 of the language specification (v 0.8), there are statements describing constructor overloads, but there wasn't any sample code given. ...