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App Inventor 2 软件著作权(软著)申请指南 · App Inventor 2 中文网

...项目的压缩包,其中包含了所有的文件,包括 .blk 文件、资源文件、以及其他设置文件。 7、源码清理(很重要的一步) 源码中不能出现注释、空行等内容,一般通过 Notepad++ 正则替换即可达到要求,具体如...
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Function to convert column number to letter?

...in an invalid column number. It works even if someone is still using Excel 2003. If you need that kind of exception, go with the range method. Otherwise, kudos to robartsd. – Engineer Toast Feb 17 '15 at 22:10 ...
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SQL: IF clause within WHERE clause

... method you used which may help people. weblogs.sqlteam.com/jeffs/archive/2003/11/14/513.aspx – Rich Sep 6 '11 at 14:16 ...
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正则表达式 30 分钟入门教程 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...组/递归匹配 还有些什么东西没提到 联系作者 网上的资源及本文参考文献 更新纪录 本文目标 30分钟内让你明白正则表达式是什么,并对它有一些基本的了解,让你可以在自己的程序或网页里使用它。 如何使用本教程 最...
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Remove last character from C++ string

...aybe I have a non-standard library in some compiler somewhere (between VC++2003, VC++2008, MinGW GCC3 MinGW GCC 4 and Linux GCC 4, you do get a few differences). More likely, I'm just getting confused with other types. – Steve314 Feb 22 '10 at 14:31 ...
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理解Python的 with 语句 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术

...抛出的ZeroDivisionError异常被打印出来了。开发库时,清理资源,关闭文件等等操作,都可以放在__exit__方法当中。 Thus, Python’s with is a nifty construct that makes code a little less verbose and makes cleaning up during exceptions a bit easier. 因此,...
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IRXmitter红外发射器扩展 · App Inventor 2 中文网

...orOccurred事件 用户反馈: 使用事件提供视觉或听觉反馈 资源管理: 避免同时进行多个传输操作 兼容性考虑 检查设备是否支持红外发射 验证载波频率兼容性 测试不同品牌设备的兼容性 本文档基于Ulli的...
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Fastest way to determine if an integer's square root is an integer

...41,1773,359,651, 961,323,1193,197,175,1651,441,235,1567,1885,1481,1947,881,2003,217,843, 1023,1027,745,1019,913,717,1031,1621,1503,867,1015,1115,79,1683,793,1035, 1089,1731,297,1861,2001,1011,1593,619,1439,477,585,283,1039,1363,1369,1227, 895,1661,151,645,1007,1357,121,1237,1375,1821,1911,549,1999,1...
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为何谷歌不可复制? - 资讯 - 清泛网 - 专注C/C++及内核技术

...没有什么前途,就应该以最快的速度喊停,以免浪费更多资源,产生更多机会成本。”上述看法来自于两位作者从管理层的角度去判断,而站在技术的角度来说,谷歌的诸多服务和产品都是基于互联网,不存在物理世界中的固定...
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Increase heap size in Java

I am working on a Windows 2003 server (64-bit) with 8 GB RAM. How can I increase the heap memory maximum? I am using the -Xmx1500m flag to increase the heap size to 1500 Mb. Can I increase the heap memory to 75% of physical memory (6 GB Heap)? ...