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【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)....
What is the LD_PRELOAD trick?
...case where libraries aren't compiled correctly (used to run into this with mysql all the time where it had a loose coupling to a generic libmysql_client which overwrote an older version's symlink - depending on which version of perl you used you had to specify / force it with LD_PRELOAD.. useful tri...
How do I mock a service that returns promise in AngularJS Jasmine unit test?
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@JimAho Typically you just inject $rootScope and call $digest on that.
– dnc253
May 18 '15 at 15:39
1
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Elegant setup of Python logging in Django
...quirements. The key thing is that I usually add the handlers I want to the root logger, using levels and sometimes logging.Filters to get the events I want to the appropriate files, console, syslogs etc. You can of course add handlers to any other loggers too, but there isn't commonly a need for thi...
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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“’” 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...
What is an ORM, how does it work, and how should I use one? [closed]
...most popular is relational ( you know tables, columns, pk fk etc eg Oracle MySQL, MS-SQL )
And finally the Mapping part is where you do a bridge between your objects and your tables.
In applications where you don't use a ORM framework you do this by hand. Using an ORM framework would allow you d...
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.
...
Unzip a file with php
...he destination to extract to or remove -d yourDestinationDir to extract to root dir.
$master = 'someDir/zipFileName';
$data = system('unzip -d yourDestinationDir '.$master.'.zip');
share
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improve...
Migration: Cannot add foreign key constraint
... $table->engine = 'InnoDB'; is required to enforce foreign key at MySql level. The default laravel engine is MyIsam wich not support foreign keys !
– François Breton
Oct 9 '15 at 18:16
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