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App Inventor 2 社区精华问答 · App Inventor 2 中文网

... 基础知识 微数据库 技巧分享 问题解决 « 返回原创内容 社区精华问答:整理自 bbs.tsingfun.com 社区的优质帖子,一帖一文,涵盖 App Inventor 2 开发中的基础知识、组件用法、技巧分享与常见错误解决。...
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Convert JavaScript string in dot notation into an object reference

...,'etc']) #works with both strings and lists 5 > index(obj,'a.b.etc', 123) #setter-mode - third argument (possibly poor form) 123 > index(obj,'a.b.etc') 123 ...though personally I'd recommend making a separate function setIndex(...). I would like to end on a side-note that the original...
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Can I replace groups in Java regex?

...s) { // replace with "%" what was matched by group 1 // input: aaa123ccc // output: %123ccc System.out.println(replaceGroup("([a-z]+)([0-9]+)([a-z]+)", "aaa123ccc", 1, "%")); // replace with "!!!" what was matched the 4th time by the group 2 // input: a1b2c3d4e5 // outp...
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Stop caching for PHP 5.5.3 in MAMP

Installed MAMP on a new Macbook with PHP 5.5.3. 9 Answers 9 ...
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编译不成功是什么原因? - App Inventor 2 中文网 - 清泛IT社区,为创新赋能!

...译——安卓应用安装程序.apk,出错,实在不知道哪里有问题,程序里0错误、0警告,换了个浏览器也是一样,请各位大师帮忙,谢谢!错误提示如下: 无法编译该项目, 编译器输出的错误信息为 ________Preparing application icon ___...
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Using Java to find substring of a bigger string using Regular Expression

..._]*\s*\[([^\]]*)\] This will validate things like Foo [Bar], or myDevice_123["input"] for instance. Main issue The main problem is when you want to extract the content of something like this: FOO[BAR[CAT[123]]+DOG[FOO]] The Regex won't work and will return BAR[CAT[123 and FOO. If we change th...
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马云:互联网时代已经过去20年,接下来30年才是关键 - 资讯 - 清泛网 - 专...

...母借钱,想朋友借,如果大家都不借给你,说明你人品有问题。” 随着时间推进,马云越发逸兴遄飞,妙语不断。他甚至很认真对近2000名年轻人说:“你们要在一两年超过我们,是不可能的,除非我们实在愚蠢。但是如果给你...
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简单谈谈软件配置管理 - 项目管理 - 清泛网 - 专注C/C++及内核技术

...QA监督配置审计是否按照标准流程来进行,并记录不一致问题。 f)每次配置审计要将审计结果记录到《配置审计报告》中,记录和跟踪配置审计检查出的问题。 物理审计的方法: 根据《配置审计检查单》去检查,该有的配置...
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PHP server on local machine?

I'm trying to build a PHP site and I'm wanting to test my PHP files without uploading them to my host. Basically testing them on my own machine before I upload them. How do I do that? ...
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移动前端开发之viewport的深入理解 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...是,devicePixelRatio在不同的浏览器中还存在些许的兼容性问题,所以我们现在还并不能完全信赖这个东西,具体的情况可以看下这篇文章。 devicePixelRatio的测试结果: 三、PPK的关于三个viewport的理论 ppk大神对于移动设备上...