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Covariance and contravariance real world example
I'm having a little trouble understanding how I would use covariance and contravariance in the real world.
9 Answers
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What is Vim recording and how can it be disabled?
I keep seeing the recording message at the bottom of my gVim 7.2 window.
6 Answers
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How to export JavaScript array info to csv (on client side)?
I know there are lot of questions of this nature but I need to do this using JavaScript. I am using Dojo 1.8 and have all the attribute info in array, which looks like this:
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What are all possible pos tags of NLTK?
How do I find a list with all possible pos tags used by the Natural Language Toolkit (nltk)?
8 Answers
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Hook up Raspberry Pi via Ethernet to laptop without router? [closed]
I'm working on a balloon project with a Raspberry Pi. When we potentially recover the Raspberry Pi, it will most likely be in a rural location and I'd like to turn off the Pi at that point safely.
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What is difference between functional and imperative programming languages?
Most of the mainstream languages, including object-oriented programming (OOP) languages such as C#, Visual Basic, C++, and Java were designed to primarily support imperative (procedural) programming, whereas Haskell/gofer like languages are purely functional. Can anybody elaborate on what is the dif...
Access-Control-Allow-Origin wildcard subdomains, ports and protocols
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Based on DaveRandom's answer, I was also playing around and found a slightly simpler Apache solution that produces the same result (Access-Control-Allow-Origin is set to the current specific protocol + domain + port dynamically) without using any rewrite rules:
SetEnvIf Origin ^(https?://.+\.myw...
How does OAuth 2 protect against things like replay attacks using the Security Token?
As I understand it, the following chain of events occurs in OAuth 2 in order for Site-A to access User's information from Site-B .
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What is a handle in C++?
I have been told that a handle is sort of a pointer, but not, and that it allows you to keep a reference to an object, rather than the object itself. What is a more elaborate explanation?
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Sorting data based on second column of a file
I have a file of two columns and n number of rows.
4 Answers
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