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Multiple left-hand assignment with JavaScript

... this kind of thing ahead of time, you could still break up the definition from the assignment. So: var v1, v2, v3; Then later on: v1 = v2 = v3 = 6; They'll still be in local scope. Since David mentioned alerts, this would work as expected (if pre-var'd): alert(v1 = v2 = v3 = 6); ...
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What is so bad about singletons? [closed]

... Paraphrased from Brian Button: They are generally used as a global instance, why is that so bad? Because you hide the dependencies of your application in your code, instead of exposing them through the interfaces. Making something glob...
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difference between each.with_index and each_with_index in Ruby?

... to allow wider usage with various enumerators. to allow index to start from a number other than 0. Today, using with_index would be better from the point of view of generality and readability, but from the point of view of speeding up the code, each_with_index runs slightly faster than each.wi...
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Android - implementing startForeground for a service?

... From your main activity, start the service with the following code: Intent i = new Intent(context, MyService.class); context.startService(i); Then in your service for onCreate() you would build your notification and set i...
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C# declare empty string array

... @newStackExchangeInstance, just copied code "as is" from the question. Both lines compile fine, although I agree that following one style is better. – Andrei May 30 '13 at 10:59 ...
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What is the theoretical maximum number of open TCP connections that a modern Linux box can have

Assuming infinite performance from hardware, can a Linux box support >65536 open TCP connections? 3 Answers ...
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C++ STL Vectors: Get iterator from index?

... @KerrekSB From 23.3.6.1 in the c++ standard draft: "The elements of a vector are stored contiguously, meaning that if v is a vector<T, Allocator> where T is some type other than bool, then it obeys the identity &v[n] == &...
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Build the full path filename in Python

I need to pass a file path name to a module. How do I build the file path from a directory name, base filename, and a file format string? ...
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Does Python optimize tail recursion?

... Or if you're going to transform it like that - just: from operator import add; reduce(add, xrange(n + 1), csum) ? – Jon Clements♦ Nov 27 '12 at 20:10 38 ...
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HTTP status code 0 - Error Domain=NSURLErrorDomain?

... correct. There is no HTTP status code 0. You might see it as return value from an API, but it will not occur inside an HTTP response message. – Julian Reschke Apr 10 at 16:49 ...