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What's “wrong” with C++ wchar_t and wstrings? What are some alternatives to wide characters?

...its encoding and even its data type, making it unusable with any non-TCHAR based API. Since its purpose is migration to wchar_t, which we've seen above isn't a good idea, there is no value whatsoever in using TCHAR. 1. Characters which are representable in wchar_t strings but which are not suppo...
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What's the difference between a Python module and a Python package?

... Any Python file is a module, its name being the file's base name without the .py extension. A package is a collection of Python modules: while a module is a single Python file, a package is a directory of Python modules containing an additional __init__.py file, to distinguish a ...
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Python circular importing?

...ght, any circular dependencies in the modules' top level code (such as the base classes of class declarations in your example) will be a problem. That is the sort of situation where jpmc's answer that you should refactor the module organization is probably 100% correct. Either move class B into modu...
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Python argparse: Make at least one argument required

...e can be challenging sometime. There are multiple aspects of command line based program: good design of command line selecting/using proper parser argparse offers a lot, but restricts possible scenarios and can become very complex. With docopt things go much shorter while preserving readabilit...
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How can we match a^n b^n with Java regex?

...ration. There's a slight problem here in that this pattern is missing the "base case", i.e. the case where it can match without the self-reference. A base case is required because group 1 starts "uninitialized"; it hasn't captured anything yet (not even an empty string), so a self-reference attempt ...
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Change string color with NSAttributedString?

I have a slider for a survey that display the following strings based on the value of the slider: "Very Bad, Bad, Okay, Good, Very Good". ...
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Binding a Button's visibility to a bool value in ViewModel

... null, or implementing multi-state displays where different layouts appear based on the setting of an enum in the view model. share | improve this answer | follow ...
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JavaScript OOP in NodeJS: how?

...e); } } var a1 = new Animal('Dog'); Inheritance : 'use strict'; class Base{ constructor(){ } // methods definitions go here } class Child extends Base{ // methods definitions go here print(){ } } var childObj = new Child(); ...
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addEventListener not working in IE8

... I've opted for a quick Polyfill based on the above answers: //# Polyfill window.addEventListener = window.addEventListener || function (e, f) { window.attachEvent('on' + e, f); }; //# Standard usage window.addEventListener("message", function(){ /*...*/ }...
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Chrome sendrequest error: TypeError: Converting circular structure to JSON

... Based on zainengineer's answer... Another approach is to make a deep copy of the object and strip circular references and stringify the result. function cleanStringify(object) { if (object && typeof object =...