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App Inventor 2 OCR 图片文字识别方案 - App应用开发 - 清泛IT社区，为创新赋能！
本想写个离线拓展方案，使用开源库 Tess4j，官网：https://tess4j.sourceforge.net。这个开源项目是C++的，使用JNI桥接技术，折腾了2天，效果不好，多平台兼容（模拟器，安卓，旧版安卓等），离线模型体积大，编译apk有问题，jni加载....
Impossible to Install PG gem on my mac with Mavericks
...
If you want to avoid using MacPorts, you can download the Postgres App and place it into the Application directory.
Then, specify the location of newly downloaded pg_config:
gem install pg -- --with-pg-config=/Applications/Postgres.app/Contents/Versions/latest/bin/pg_config
If you run i...
Creating a config file in PHP
...it properly. For example, it is possible to create an INI file like this:
app.ini
[database]
db_name = mydatabase
db_user = myuser
db_password = mypassword
[application]
app_email = mailer@myapp.com
app_url = myapp.com
So the only thing you need to do is call:
$ini = parse_ini_file('...
How do I get Flask to run on port 80?
...ng development, but you should use a full deployment option for production applications. (Do not use the builtin development server in production.)
Recommended
Proxy HTTP traffic through apache2 to Flask.
This way, apache2 can handle all your static files (which it's very good at - much better...
How to run `rails generate scaffold` when the model already exists?
...'parent_module/controller_name'.
This generates a controller class in app/controllers and invokes helper,
template engine and test framework generators.
To create your resource, you'd use the resource generator, and to create a migration, you can also see the migration generator (see, t...
Best way to create custom config options for my Rails app?
I need to create one config option for my Rails application. It can be the same for all environments. I found that if I set it in environment.rb , it's available in my views, which is exactly what I want...
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Cannot generate iOS App archive in xcode
I have a problem generating a iOS App archive from an application. The application compiles just fine and even works in the simulator. Now I wanted to make som ad hoc testing and cannot generate the iOS App Archive. When I click on the Product -> Archive it generates a generic xcode archive. Can an...
How to create an HTTPS server in Node.js?
...leSync('test/fixtures/keys/agent2-cert.cert')
};
// Create a service (the app object is just a callback).
var app = express();
// Create an HTTP service.
http.createServer(app).listen(80);
// Create an HTTPS service identical to the HTTP service.
https.createServer(options, app).listen(443);
...
How to make an app's background image repeat
I have set a background image in my app, but the background image is small and I want it to be repeated and fill in the whole screen. What should I do?
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@AspectJ pointcut for all methods of a class with specific annotation
...s, then see stackoverflow.com/questions/37583539/…, because this is not happening in my case.
– HVT7
Jun 2 '16 at 6:18
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