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Is there a performance difference between i++ and ++i in C++?
We have the question is there a performance difference between i++ and ++i in C?
17 Answers
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Detect if called through require or directly by command line
...n I detect whether my Node.JS file was called using SH: node path-to-file or JS: require('path-to-file') ?
5 Answers
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Read a zipped file as a pandas DataFrame
I'm trying to unzip a csv file and pass it into pandas so I can work on the file.
The code I have tried so far is:
5 Ans...
How to grab substring before a specified character jQuery or JavaScript
I am trying to extract everything before the ',' comma. How do I do this in JavaScript or jQuery? I tried this and not working..
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What is Prism for WPF?
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Prism is the Microsoft Patterns and Practices Team official guidance for building "composite applications" in WPF and Silverlight.
Its intended to provide guidance on the best practices for building large scale applications which are flexible in terms of development and maintainability.
This ...
Installing Python packages from local file system folder to virtualenv with pip
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I am pretty sure that what you are looking for is called --find-links option.
Though you might need to generate a dummy index.html for your local package index which lists the links to all packages. This tool helps:
https://github.com/wolever/pip2pi
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UnicodeDecodeError when redirecting to file
...acters, and (2) string/array of bytes. This distinction has been mostly ignored for a long time because of the historic ubiquity of encodings with no more than 256 characters (ASCII, Latin-1, Windows-1252, Mac OS Roman,…): these encodings map a set of common characters to numbers between 0 and 255...
Authorize Attribute with Multiple Roles
I would like to add Authorization to a controller, for multiple Roles at once.
5 Answers
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Why are there two kinds of functions in Elixir?
...named function and the other is an anonymous one. But you are right, they work somewhat differently and I am going to illustrate why they work like that.
Let's start with the second, fn. fn is a closure, similar to a lambda in Ruby. We can create it as follows:
x = 1
fun = fn y -> x + y end
fun...
How can I clear or empty a StringBuilder? [duplicate]
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Two ways that work:
Use stringBuilderObj.setLength(0).
Allocate a new one with new StringBuilder() instead of clearing the buffer.
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