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云数据及Firebase组件简介 · App Inventor 2 中文网
...据存储。
协作绘图应用程序
这是另一个示例，展示了如何使用 Firebase 将聊天与绘图程序结合起来进行协作草图：Firebase Chat with Interactive Drawing。
FirebaseDB vs TinyWebDB
如果你熟悉 App Inventor 的 TinyWebDB 组件，你会发现 FirebaseDB ...
SQL Client for Mac OS X that works with MS SQL Server [closed]
...r, which can work very well with almost every type of databases, including MySQL, SQL Server, Oracle, PostgreSQL, SAP Hana, Redis... just to name a few. The DB connector driver can be added in a very easy to understand way. I've also tried Oracle SQL Developer, DB Visualizer but they do not work w...
【教学】AppInventor2人工智能应用：Personal Image Classifier (PIC) Tool...
...-link-color)]
3. 加入測試資料訓練完了要考試1才知道成效如何。請加入測試資料（最好是未用於訓練的資料）。您可以換一個背景試試看偵測的效果如何。請上傳照片或使用 webcam 拍照，完成後按下 [Predict] 按鈕，會直接跳到 (4)....
GestureDetect 扩展：手势检测扩展，识别滑动、点击和长按手势 · App Inventor 2 中文网
...问题
Q: 手势检测不灵敏怎么办？
Q: 如何在同一个组件上检测多种手势？
Q: 可以自定义手势的灵敏度吗？
Q: 支持哪些布局组件？
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版权信息
« ...
“’” showing on page instead of “ ' ”
... when you create it.
You're most likely using SQL Server, but here is some MySQL code (copied from this article):
CREATE DATABASE db_name CHARACTER SET utf8;
CREATE TABLE tbl_name (...) CHARACTER SET utf8;
If your table is however already UTF-8, then you need to take a step back. Who or what put th...
SQL order string as number
I have numbers saved as VARCHAR to a MySQL database. I can not make them INT due to some other depending circumstances.
...
Add Foreign Key to existing table
...is link. It has helped me with errno 150:
http://verysimple.com/2006/10/22/mysql-error-number-1005-cant-create-table-mydbsql-328_45frm-errno-150/
On the top of my head two things come to mind.
Is your foreign key index a unique name in the whole database (#3 in the list)?
Are you trying to set th...
How do I use a file grep comparison inside a bash if/else statement?
...error occurs and -q was not given, the exit status is 2.
if grep --quiet MYSQL_ROLE=master /etc/aws/hosts.conf; then
echo exists
else
echo not found
fi
You may want to use a more specific regex, such as ^MYSQL_ROLE=master$, to avoid that string in comments, names that merely start with "mast...
Deep Learning（深度学习）学习笔记整理系列之（二） - 大数据 & AI - 清泛...
...，不妨把这个碎片标记为 T。
他们提出的问题是，如何从这400个碎片中，选取一组碎片，S[k], 通过叠加的办法，合成出一个新的碎片，而这个新的碎片，应当与随机选择的目标碎片 T，尽可能相似，同时，S[k] 的数量尽可...
Deep Learning（深度学习）学习笔记整理系列之（二） - 大数据 & AI - 清泛...
...，不妨把这个碎片标记为 T。
他们提出的问题是，如何从这400个碎片中，选取一组碎片，S[k], 通过叠加的办法，合成出一个新的碎片，而这个新的碎片，应当与随机选择的目标碎片 T，尽可能相似，同时，S[k] 的数量尽可...