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C# 'is' operator performance

I have a program that requires fast performance. Within one of its inner loops, I need to test the type of an object to see whether it inherits from a certain interface. ...
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Print array to a file

... Either var_export or set print_r to return the output instead of printing it. Example from PHP manual $b = array ( 'm' => 'monkey', 'foo' => 'bar', 'x' => array ('x', 'y', 'z')); $results = print_r($b, true); // $...
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How do I detect whether a Python variable is a function?

...e a variable, x , and I want to know whether it is pointing to a function or not. 25 Answers ...
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How can I delete all Git branches which have been merged?

...UPDATE: You can add other branches to exclude like master and dev if your workflow has those as a possible ancestor. Usually I branch off of a "sprint-start" tag and master, dev and qa are not ancestors. First, list all branches that were merged in remote. git branch --merged You might see few bran...
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Difference between array_push() and $array[] =

...all, as PHP has to look up the function reference, find its position in memory and execute whatever code it defines. Using $arr[] = 'some value'; does not require a function call, and implements the addition straight into the data structure. Thus, when adding a lot of data it is a lot quicker and r...
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FileNotFoundException while getting the InputStream object from HttpURLConnection

I am trying to send a post request to a url using HttpURLConnection (for using cUrl in java). The content of the request is xml and at the end point, the application processes the xml and stores a record to the database and then sends back a response in form of xml string. The app is hosted on apac...
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Rails: create on has_one association

...e(params[:shop]) @user.shop = @shop Now here's why your version did not work: You probably thought that this might work because if User had a has_many relation to Shop, @user.shops.create(params[:shop]) would work. However there is a big difference between has_many relations and has_one relations...
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Changing image size in Markdown

...IDTHxHEIGHT after the URL of the graphic file to resize the image. Do not forget the space before the =. ![](./pic/pic1_50.png =100x20) You can skip the HEIGHT ![](./pic/pic1s.png =250x) share | ...
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git pull aborted with error filename too long

I'm using Windows as my OS, and working on a project with a friend who's using a Mac. He checked in code to our Github. 7 A...
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Mocking objects with Moq when constructor has parameters

I have an object I'm trying to mock using moq. The object's constructor has required parameters: 2 Answers ...