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boost库编译问题 - 更多技术 - 清泛网 - 专注C/C++及内核技术

boost库编译问题boost::property_tree::xml_writer_settings<std::string> settings(' t', 1, "GB2312");报错:char不能转换为std::string。1.5...boost::property_tree::xml_writer_settings<std::string> settings('\t', 1, "GB2312"); 报错:char不能转换为std::string。 1.54 版本 报...
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C#泛型(List)中基类和子类 怎么转换? - .NET(C#) - 清泛IT论坛,有思想、有深度

List<ChildClass> childList = ... Foo(List<BaseClass> baseList); 需求:把子类列表传入函数Foo,Foo支持所有子类列表。 方法一: Foo(childList.Select(p => p as BaseClass).ToList()) 上述 Select 转换是双向的,基类转子类也没问题。 方...
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C# 多线程、并行处理全攻略(持续更新) - .NET(C#) - 清泛IT论坛,有思想、有深度

一、多线程(Thread): using System.Threading; ... Thread t = new Thread(new ThreadStart(delegate {         Proxy(delegate         {                 button3.Enabled = false;   ...
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c++ 代码提升权限,请求管理员身份运行权限 - 脚本技术 - 清泛IT社区,为创...

普通的启动一个程序使用CreateProcess函数,有时会遇到权限不足失败的情况,那么如何提升执行权限呢? 使用 ShellExecuteEx 函数: // ------提升权限------         // Initialize the structure.        &...
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Async Procedures 拓展:异步任务拓展,异步处理耗时任务 - App Inventor 2...

Async ProcAsync Proc is an Extension which you can use to run a Procedure asynchronously. You no longer have to wait for a loop to finish and don’t worry about your app Crashing due to Android System thinking that your app crashed while doing intense processes.BLOCKS:EVENTS : [color=var(--tertiar...
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调研结论:App内创建桌面快捷方式直达log目录可行吗?3种方案对比 - App应...

...在桌面生成快捷方式,点开直达log文件所在目录?我把MIT官方社区的扩展生态和Android系统限制调研了一遍,结论如下。 一、先说关键结论 1. "指向文件夹"的桌面快捷方式:基本不可行。Android 7.0 起,file:// URI 禁止在...
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How to get milliseconds from LocalDateTime in Java 8

I am wondering if there is a way to get current milliseconds since 1-1-1970 (epoch) using the new LocalDate , LocalTime or LocalDateTime classes of Java 8. ...
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linux 下巧妙使用squid代理服务器 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...主配置文件是/etc/squid/squid.conf ,最基本的设置如下。 http_port 192.168.16.1:8080 cache_mem 64 MB cache_dir ufs /var/spool/squid 4096 16 256 cache_effective_user squid cache_effective_group squid dns_nameservers 61.144.56.101 cache_access_log /var/log/squid/access...
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How to break out or exit a method in Java?

...eUploader: { brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
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How to escape special characters in building a JSON string?

...he ' replace with \u0027 D'Amico becomes D\u0027Amico NICE REFERENCE: http://es5.github.io/x7.html#x7.8.4 https://mathiasbynens.be/notes/javascript-escapes share | improve this answer ...