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App Inventor 2 如何下载/保存网络图片？ · App Inventor 2 中文网
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App Inventor 2 如何下载/保存网络图片？
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首先，需要使用 Web客户端 组件，需要和网络url进行数据交互的场景就要考虑使用它，Web客户端 组件在...
使用虚拟现实和App Inventor进行实验 · App Inventor 2 中文网
...沉浸式全景图，另一个添加了 3-D 建模。我们提供了可供下载和试用的演示 APK 文件，以及您可以用作演示变体起点的 App Inventor 项目 (aia) 文件。演示的核心是一个用 Java 编写的辅助应用程序，用于管理与 Cardboard 库的交互。具有...
How to write a bash script that takes optional input arguments?
...es of how this works:
$ ./somecommand.sh
foo
bar
1
Thu Mar 29 10:03:20 ADT 2018
$ ./somecommand.sh ez
ez
bar
1
Thu Mar 29 10:03:40 ADT 2018
$ ./somecommand.sh able was i
able
was
i
Thu Mar 29 10:03:54 ADT 2018
$ ./somecommand.sh "able was i"
able was i
bar
1
Thu Mar 29 10:04:01 ADT 2018
$ ./some...
For loop for HTMLCollection elements
...d not be doing this with for/in in the first place.
Summary (added in Dec 2018)
Do not ever use for/in to iterate a nodeList or an HTMLCollection. The reasons to avoid it are described below.
All recent versions of modern browsers (Safari, Firefox, Chrome, Edge) all support for/of iteration on D...
为AppInventor2开发拓展(Extension) · App Inventor 2 中文网
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为什么需要开发拓展？
环境配置
源码下载
代码编写
拓展编译
拓展导入，测试验证
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为什么需要开发拓展？
App Inventor 2 是积木式在线安卓开发环境，利用拖拽式的方式实现代码块堆叠，从...
windows版 svn 服务器搭建及总结 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...在用svn客户端，因为一些需求需要自己搭建svn服务器。1.下载svn服务器版本，网上遍地都是，下载下来后，解压，一路next 即可。我的...一直是在用svn客户端，因为一些需求需要自己搭建svn服务器。
1.下载svn服务器版本，下载下...
“Deprecation warning: moment construction falls back to js Date” when trying to convert RFC2822 date
...cted(not all the time) and throws Invalid Date in others.
Consider, 02.02.2018,
Chrome - moment("02.02.2018")._d -> Fri Feb 02 2018 00:00:00 GMT+0530 (India Standard Time)
Firefox - moment("02.02.2018")._d -> Invalid Date
Safari - moment("02.02.2018")._d -> Invalid Date
So the moment.j...
What exactly does git's “rebase --preserve-merges” do (and why?)
...
Git 2.18 (Q2 2018) will improve considerably the --preserve-merge option by adding a new option.
"git rebase" learned "--rebase-merges" to transplant the whole
topology of commit graph elsewhere.
(Note: Git 2.22, Q2 2019, actually depre...
Markup XML解析库下载（Markup.h 和 Markup.cpp） - 源码下载 - 清泛网 - 专注C/C++及内核技术
Markup XML解析库下载（Markup.h 和 Markup.cpp）Markup CMarkup XML解析C++编写的，一个 h，一个 cpp，绿色小巧，直接加入工程源码编译，跨平台。使用方法参见《C++ 读写xml方法整理（持续更新）》Markup h M C++编写的，一个.h，一个.cpp，...
Windows git “warning: LF will be replaced by CRLF”, is that warning tail backward?
...after removing the file and checking it out again".
Note: Git 2.19 (Sept 2018), when using core.autocrlf, the bogus "LF
will be replaced by CRLF" warning is now suppressed.
As quaylar rightly comments, if there is a conversion on commit, it is to LF only.
That specific warning "LF will be repl...