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Where is the WPF Numeric UpDown control?

...Modifier="private" Margin="5,5,0,5" Width="50" Text="0" TextChanged="txtNum_TextChanged" /> <Button x:Name="cmdUp" x:FieldModifier="private" Margin="5,5,0,5" Content="˄" Width="20" Click="cmdUp_Click" /> <Button x:Name="cmdDown" x:FieldModifier="private" Margin="0,5,0,5" Conten...
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Copy constructor for a class with unique_ptr

How do I implement a copy constructor for a class that has a unique_ptr member variable? I am only considering C++11. 6 A...
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MFC学习总结 (90个技巧) dlg 上建立View - C/C++ - 清泛网 - 专注C++内核技术

...框为 属性页的类(头文件)里创建CpropertySheet类的一个对象m_tabsheet和新创建的对话框类的对象m_skatch;最后,在.cpp 文件里的OnInitDialog()之类的函数里实现如下代码: m_tabsheet.Create(this, WS_CHILD | WS_VISIBLE, 0); //使选项卡的按钮在下...
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Label Alignment in iOS 6 - UITextAlignment deprecated

...f UITextAlignmentCenter and a list of other replacements is below: #ifdef __IPHONE_6_0 // iOS6 and later # define UITextAlignmentCenter NSTextAlignmentCenter # define UITextAlignmentLeft NSTextAlignmentLeft # define UITextAlignmentRight NSTextAlignmentRight # define UILineBreakM...
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What is the use of “assert” in Python?

...eter. As for disabling them, when running python in optimized mode, where __debug__ is False, assert statements will be ignored. Just pass the -O flag: python -O script.py See here for the relevant documentation. share ...
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SQL: deleting tables with prefix

How to delete my tables who all have the prefix myprefix_ ? 10 Answers 10 ...
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What's a good way to extend Error in JavaScript?

...){ Object.setPrototypeOf(CustomError, Error); } else { CustomError.__proto__ = Error; } Alternative: use Classtrophobic framework Explanation: Why extending the Error class using ES6 and Babel is a problem? Because an instance of CustomError is not anymore recognized as such. class Cus...
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Python JSON serialize a Decimal object

... The problem was that DecimalEncoder()._iterencode(decimal.Decimal('3.9')).next() returned the correct '3.9', but DecimalEncoder()._iterencode(3.9).next() returned a generator object which would only return '3.899...' when you piled on another .next(). Generator f...
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How can I perform a str_replace in JavaScript, replacing text in JavaScript?

I want to use str_replace or its similar alternative to replace some text in JavaScript. 21 Answers ...
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How can one use multi threading in PHP applications

...in/php <?php class AsyncOperation extends Thread { public function __construct($arg) { $this->arg = $arg; } public function run() { if ($this->arg) { $sleep = mt_rand(1, 10); printf('%s: %s -start -sleeps %d' . "\n", date("g:i:sa"), $th...