大约有 20,000 项符合查询结果(耗时:0.0227秒) [XML]

https://www.fun123.cn/reference/info/ 

App Inventor 2 中文网 · 项目指南

...一名学生,升级VIP会员后,可以随时随地在线编程,遇到问题提问都能及时得到详细解答,我的App开发技能得到了极大的提升!另外,我享受到VIP学生价格优惠,非常划算! ...
https://stackoverflow.com/ques... 

How to round up a number to nearest 10?

...d up, it rounds to the nearest 10. To solve this, add +5 to your number in order to round up. If you want to round down, do -5. So in code: round($num + 5, -1); You can't use the round mode for rounding up, because that only rounds up fractions and not whole numbers. If you want to round up to ...
https://www.tsingfun.com/it/tech/1340.html 

iOS开发调试技巧总结 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...跑到出现异常的代码中呢???异常断点就为我们解决该问题,程序就会在异常出现的那行代码终止。创建异常断点图例如下: 如下所示就创建完成了。如果碰到异常crash时,尝试使用异常断点吧。 【4.符号断点Symbolic Breakp...
https://stackoverflow.com/ques... 

Can someone explain how to implement the jQuery File Upload plugin?

...this gem. The source is here --> jQueryFileUpload Rails. Update: In order to satisfy the commenter I've updated my answer. Essentially "use this gem, here is the source code" If it disappears then do it the long way. ...
https://www.tsingfun.com/it/tech/1329.html 

廉价共享存储解决方案1-drbd+ha+nfs - 更多技术 - 清泛网 - 专注C/C++及内核技术

...没有共享存储的情况下解决非结构化数据高可靠性存储的问题1、问题产生背景三台TOMCAT 服务器通过负载均衡设备对外提供WEB服务。怎么保证...在没有共享存储的情况下解决非结构化数据高可靠性存储的问题 1、问题产生背景 ...
https://bbs.tsingfun.com/thread-464-1-1.html 

Lua简明教程 - 脚本技术 - 清泛IT论坛,有思想、有深度

...浮点数会慢(除非大于100,000,000,000,000),或是会有精度问题。你可以以如下的方式表示数字,0x开头的16进制和C是很像的。num = 1024 num = 3.0 num = 3.1416 num = 314.16e-2 num = 0.31416E1 num = 0xff num = 0x56复制代码 字符串你可以用单引号,也...
https://stackoverflow.com/ques... 

continue processing php after sending http response

... I've tried other solutions, and only this one worked for me. Order of lines is important as well. – Sinisa Oct 1 '19 at 15:27 add a comment  |...
https://stackoverflow.com/ques... 

MySQL query String contains

...he presence of a substring with like operator . With instr a phrase can be ordered like this select * from table order by instr(col1,"mystring") – Radacina Aug 1 '17 at 18:16 ...
https://www.tsingfun.com/it/cpp/1487.html 

warning C4996 - C/C++ - 清泛网 - 专注C/C++及内核技术

...可能会产生诸如内存泄露、缓冲区溢出、非法访问等安全问题。这些函数如:strcpy、strcat等。 对于这些问题,VC2005建议使用这些函数的更高级的安全版本,即在这些函数名后面加了一个_s的函数。这些安全版本函数使用起来更...
https://www.tsingfun.com/it/tech/1403.html 

领域驱动设计系列(五):事件驱动之异步事件 - 更多技术 - 清泛网 - 专注C/...

...可以看到,现在并行处理可以大大加快速度,但是有两个问题,第一个问题就是没有处理异常,所以让我们加上异常。 public void Publish<T>(T @event) where T : Event { var handlers = _eventHandlerFactory.GetHandlers<T>(); handlers....