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In practice, what are the main uses for the new “yield from” syntax in Python 3.3?

...n begin to do justice to what yield from is all about. Because, let's face it, if all yield from does is expand the for loop, then it does not warrant adding yield from to the language and preclude a whole bunch of new features from being implemented in Python 2.x. What yield from does is it establ...
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How does type Dynamic work and how to use it?

I heard that with Dynamic it is somehow possible to do dynamic typing in Scala. But I can't imagine how that might look like or how it works. ...
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Javascript how to split newline

I'm using jquery, and I have a textarea. When I submit by my button I will alert each text separated by newline. How to split my text when there is a newline? ...
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How do I check if there are duplicates in a flat list?

For example, given the list ['one', 'two', 'one'] , the algorithm should return True , whereas given ['one', 'two', 'three'] it should return False . ...
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Python: most idiomatic way to convert None to empty string?

...follow | edited Jul 13 '09 at 13:55 Vinko Vrsalovic 236k4747 gold badges312312 silver badges359359 bronze badges ...
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Objective-C declared @property attributes (nonatomic, copy, strong, weak)

...so atomic variables are threadsafe (can be accessed from multiple threads without botching of data) Copy copy is required when the object is mutable. Use this if you need the value of the object as it is at this moment, and you don't want that value to reflect any changes made by other owners of the...
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What are the differences between a multidimensional array and an array of arrays in C#?

...sed more effectively. Multidimensional arrays have nicer syntax. If you write some simple code using jagged and multidimensional arrays and then inspect the compiled assembly with an IL disassembler you will see that the storage and retrieval from jagged (or single dimensional) arrays are simple IL...
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How to use ng-repeat without an html element

...n's answer. Otherwise, how about putting the ng-repeat on tbody? (AFAIK, it is okay to have multiple <tbody>s in a single table.) <tbody ng-repeat="row in array"> <tr ng-repeat="item in row"> <td>{{item}}</td> </tr> </tbody> ...
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Returning binary file from controller in ASP.NET Web API

... Try using a simple HttpResponseMessage with its Content property set to a StreamContent: // using System.IO; // using System.Net.Http; // using System.Net.Http.Headers; public HttpResponseMessage Post(string version, string environment, string filetype) { ...
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How can I replace every occurrence of a String in a file with PowerShell?

...hell, I want to replace all exact occurrences of [MYID] in a given file with MyValue . What is the easiest way to do so? ...