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Android中Java和JavaScript交互 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...ChromeClient() {}); Uncaught ReferenceError: functionName is not defined 问题出现原因,网页的js代码没有加载完成,就调用了js方法。解决方法是在网页加载完成之后调用js方法: myWebView.setWebViewClient(new WebViewClient() { @Override public void o...
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How can I pass a constant value for 1 binding in multi-binding?

...> <TextBlock.Resources> <sys:Int32 x:Key="fixedValue">123</sys:Int32> </TextBlock.Resources> <TextBlock.Text> <MultiBinding Converter="{StaticResource myConverter}"> <Binding Path="myFirst.Value" /> <Binding Source="{StaticRes...
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了解 Boost Filesystem Library - C/C++ - 清泛网 - 专注C/C++及内核技术

...于处理文件系统操作的库,这一直是 C++ 语言存在的一个问题。过去,程序员必须使用本机 API 来解决此问题。通过本文您将了解一个提供安全、可移植且易用的 C++ 接口来促进文件系统操作的库:Boost Filesystem Library。 创建与...
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parseInt vs unary plus, when to use which?

... '~~x', 'x>>>0', 'isNaN(x)' ]; VALUES = [ '"123"', '"+123"', '"-123"', '"123.45"', '"-123.45"', '"12e5"', '"12e-5"', '"0123"', '"0000123"', '"0b111"', '"0o10"', '"0xBABE"', '"4294967295"', '"1...
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Ruby, remove last N characters from a string?

...diomatic (and I'd argue, even more readable than other answers here): 'abc123'.delete_suffix('123') # => "abc" 'abc123'.delete_suffix!('123') # => "abc" It's even significantly faster (almost 40% with the bang method) than the top answer. Here's the result of the same benchmark: ...
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为什么你越努力,却越焦虑? - 杂谈 - 清泛网 - 专注C/C++及内核技术

...谈谈。如果有所疏漏偏颇,期待大家指正! 看到这个问题,我顿时有一股扑面而来的辛酸,因为我曾经在人生最该拼搏的时候,沉溺在一段不努力也不焦虑的「舒适」中。回头看看这段经历,我想我能够立刻给这个问题一个...
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Getters \ setters for dummies

...ser = { /* ... object with getters and setters ... */ }; user.phone = '+1 (123) 456-7890'; // updates a database console.log( user.areaCode ); // displays '123' console.log( user.area ); // displays 'Anytown, USA' This is useful for automatically doing things behind-the-scenes when a property is a...
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携程遭超长宕机:内部数据管理恐存严重漏洞 - 资讯 - 清泛网 - 专注C/C++及内核技术

...目前官方透露的信息判断,携程网站数据层、网络层均没问题,那么问题就在应用层或存储逻辑层。很可能关键性的系统部署和配置数据已被删除或篡改了。 不过,前支付宝运维团队创始人智锦撰文指出,携程网宕机很可能并...
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How to convert a char array to a string?

...e we will lose some data. The possible solution is: cout << string("123\0 123") << endl; cout << string("123\0 123", 8) << endl; Output is: 123 123 123 share | impr...
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Programmatically Lighten or Darken a hex color (or rgb, and blend colors)

... A PHP version for those who need it: gist.github.com/chaoszcat/5325115#file-gistfile1-php – Lionel Chan Apr 6 '13 at 6:28 ...