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Difference between Covariance & Contra-variance
I am having trouble understanding the difference between covariance and contravariance.
5 Answers
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Why do people say there is modulo bias when using a random number generator?
...it. So I am going to post one here which will hopefully help people understand why exactly there is "modulo bias" when using a random number generator, like rand() in C++.
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What are the recommendations for html tag?
...re deciding whether to use the <base> tag or not, you need to understand how it works, what it can be used for and what the implications are and finally outweigh the advantages/disadvantages.
The <base> tag mainly eases creating relative links in templating languages as you don't need...
What is the difference between Xamarin.Form's LayoutOptions, especially Fill and Expand?
In Xamarin.Forms every View has the two properties HorizontalOptions and VerticalOptions . Both are of type LayoutOptions and can have one of the following values:
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Search and Replace with RegEx components in Atom editor
I want to search and replace this
2 Answers
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Async image loading from url inside a UITableView cell - image changes to wrong image while scrollin
...oll the table the images will change a few times until the scroll will end and the image will go back to the right image. I have no idea why this is happening.
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How to execute PHP code from the command line?
...function_exists("my_func")) echo 'function exists'; directly with the command line without having to use a seperate php file.
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Is #pragma once part of the C++11 standard?
Traditionally, the standard and portable way to avoid multiple header inclusions in C++ was/is to use the #ifndef - #define - #endif pre-compiler directives scheme also called macro-guard scheme (see code snippet below).
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Find an element in DOM based on an attribute value
...there is any DOM API which search for an element with given attribute name and attribute value:
7 Answers
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iOS - Build fails with CocoaPods cannot find header files
... on the same project. He made some changes (only to code as far as I know) and made a new branch in the repo. I have checked out his branch and tried to build it, but I am getting an error: ASLogger/ASLogger.h file not found.
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