大约有 7,000 项符合查询结果(耗时:0.0228秒) [XML]

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jQuery Data vs Attr?

...you'll need to use .attr(): HTML: <a id="foo" href="#" data-color="ABC123"></a> <a id="bar" href="#" data-color="654321"></a> JS: $('#foo').data('color').length; //6 $('#bar').data('color').length; //undefined, length isn't a property of numbers $('#foo').attr('data-col...
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Shell脚本编程30分钟入门 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...,这个应用程序提供了一个界面,用户通过这个界面访问操作系统内核的服务。Ken Thompson的sh是第一种Unix Shell,Windows Explorer是一个典型的图形界面Shell。 shell脚本(shell script),是一种为shell编写的脚本程序。业界所说的shell通...
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How do I perform an insert and return inserted identity with Dapper?

...Username = "lorem ipsum", Phone = "555-123", Email = "lorem ipsum" }, tran); Return inserted object with ID: If you wanted you could get Phone and Email or even th...
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C++并发编程(中文版) - 文档下载 - 清泛网 - 专注C/C++及内核技术

...、std::future和std::async等基础类的使用,到内存模型和原子操作、基于锁和无锁数据结构的构建,再扩展到并行算法、线程管理,最后还介绍了多线程代码的测试工作。 本书的附录部分还对C++11新语言特性中与多线程相关的项目...
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Strangest language feature

... Or, more usefully, "0123456789abcdef"[x & 0xf] – Dipstick Jan 3 '10 at 15:33 17 ...
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C++及Windows异常处理(try,catch; __try,__finally, __except) - C/C++ - ...

...,接下来,看另外两组异常模型机制,它们是Windows系列操作系统平台上提供的SEH模型,也就是说在C++中调用的时候,其实是调用Windows的API SEH,又称结构化异常处理.是设计Windows操作系统时提出一个种处理异常的方法。 __try, __e...
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Download JSON object as a file from browser

... Found an answer. var obj = {a: 123, b: "4 5 6"}; var data = "text/json;charset=utf-8," + encodeURIComponent(JSON.stringify(obj)); $('<a href="data:' + data + '" download="data.json">download JSON</a>').appendTo('#container'); seems to work f...
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Automatically import modules when entering the python or ipython interpreter

...ONSTARTUP="~/.startup.py" didn't work for me – Seanny123 Jun 25 '15 at 20:09 Just a note export PYTHONSTARTUP=~/.pytho...
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Convert RGB to RGBA over white

...ales using (177 - 152) / 0.404 ~ 62 202 scales using (202 - 152) / 0.404 ~ 123 So, rgb(152, 177, 202) displays as rgba(0, 62, 123, .404). I have verified in Photoshop that the colors actually match perfectly. share ...
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error C2804:binary \'operator +\' has too many parameters - C/C++ - 清泛网 - 专注C/C++及内核技术

...return ret; // return ret by value ,not by reference } 解决方法:+操作符包括两个操作数,应该重载为普通非成员函数。 注意重载操作符的形参数目(包括成员函数的隐式 this 指针)与操作符的操作数数目相同。对称的操作符,如算术...