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2024 全“心”出发 -- 全新App Inventor 2 移动社区开启新征程 - App Inven...
...努力！
为什么使用两个独立的域名：bbs.tsingfun.com 和 fun123.cn？
fun123.cn 作为纯粹的App Inventor 2 中文编程平台，及中文文档教程平台；bbs.tsingfun.com作为社区及App Inventor 2之外技术的讨论，看起来独立，实际则是可以融为一体的。...
App Inventor 2 接入腾讯云 CloudBase：让你的 App 瞬间拥有专业级后端能力...
...……你只需要关注业务逻辑。
而 App Inventor 中文网（fun123.cn）开发的 CloudBase 拓展，把这些能力封装成了 App Inventor 的积木块，拖拖拽拽就能调用。作为中文网自研且重点打造的专业级后端接入方案，此拓展将免费开放给所有...
How to replace list item in best way
... item.
List<string> listOfStrings = new List<string> {"abc", "123", "ghi"};
listOfStrings[listOfStrings.FindIndex(ind=>ind.Equals("123"))] = "def";
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Convert NaN to 0 in javascript
...ber. This has the added benefit of converting things like numeric strings '123' to a number.
The only unexpected thing may be if someone passes an Array that can successfully be converted to a number:
+['123'] // 123
Here we have an Array that has a single member that is a numeric string. It wi...
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...
Why should I use Hamcrest-Matcher and assertThat() instead of traditional assertXXX()-Methods
...w advantages over hamcrest such as:
they are more readable
(assertEquals(123, actual); // reads "assert equals 123 is actual" vs
assertThat(actual).isEqualTo(123); // reads "assert that actual is equal to 123")
they are discoverable (you can make autocompletion work with any IDE).
Some examples
...
How to bring back “Browser mode” in IE11?
UPDATE : The old question applies only to IE11 preview; browser mode had returned in final release of IE11. But there is a catch: it is next to useless, because it does not emulate conditional comments. For example, if you use them to enable HTML5 support in legacy IEs, you will no longer be able to...
PHP: How to generate a random, unique, alphanumeric string for use in a secret link?
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loletechloletech
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Sum a list of numbers in Python
... The reduce function does not do what the post says. It calculates (((a1+a2)/2 + a3)/2 + a4)/2 ...
– Moberg
Feb 18 '15 at 14:41
...
python location on mac osx
...ilt with newer gcc)
$ /usr/local/bin/python
Python 2.7.2 (v2.7.2:8527427914a2, Jun 11 2011, 15:22:34)
[GCC 4.2.1 (Apple Inc. build 5666) (dot 3)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>>
Items in /usr/bin should always be or link to files suppl...