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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....
How do I deploy Node.js applications as a single executable file? [duplicate]
..., in either Windows, Linux, or Mac OS X.
Here is a link to the installer:
https://github.com/jxcore/jxcore-release
And here is a link to how to set it up:
http://jxcore.com/turn-node-applications-into-executables/
It is very easy to use and I have tested it in both Windows 8.1 and Ubuntu 14.04.
...
How to set the thumbnail image on HTML5 video?
... width="400" controls="controls" preload="metadata">
<source src="https://www.w3schools.com/html/mov_bbb.mp4#t=0.5" type="video/mp4">
</video>
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...
Is it possible to “await yield return DoSomethingAsync()”
...is another simple solution that can be achieved with this library:
GitHub: https://github.com/tyrotoxin/AsyncEnumerable
NuGet.org: https://www.nuget.org/packages/AsyncEnumerator/
It's much simpler than Rx.
using System.Collections.Async;
static IAsyncEnumerable<string> ProduceItems(string[] ...
An existing connection was forcibly closed by the remote host
... sending malformed data to the application (which could include sending an HTTPS request to an HTTP server)
The network link between the client and server is going down for some reason
You have triggered a bug in the third-party application that caused it to crash
The third-party application has exh...
How can you find the height of text on an HTML canvas?
...ng rendered. actualHeight is specific to the string being rendered.
Spec: https://www.w3.org/TR/2012/CR-2dcontext-20121217/#dom-textmetrics-fontboundingboxascent and the sections just below it.
Support status (20-Aug-2017):
Chrome has it behind a flag (https://bugs.chromium.org/p/chromium/issues...
How to make JavaScript execute after page load?
...w.addEventListener("load", function(){
// ....
});
MDN Resources:
https://developer.mozilla.org/en-US/docs/Web/Events/DOMContentLoaded
https://developer.mozilla.org/en-US/docs/Web/Events/load
MDN list of all events:
https://developer.mozilla.org/en-US/docs/Web/Events
...
check if jquery has been loaded, then load it if false
...ate an "include_once" for jQuery
OR
include_once equivalent for js. Ref: https://raw.github.com/kvz/phpjs/master/functions/language/include_once.js
function include_once (filename) {
// http://kevin.vanzonneveld.net
// + original by: Legaev Andrey
// + improved by: Kevin van Zonneveld (...
How to replace captured groups only?
...w id like this:
.split(/\d+/).join("!NEW_ID!");
Example/Benchmark here: https://codepen.io/jogai/full/oyNXBX
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Gitignore not working
...## files generated by popular Visual Studio add-ons.
##
## Get latest from https://github.com/github/gitignore/blob/master/VisualStudio.gitignore
# See https://help.github.com/ignore-files/ for more about ignoring files.
# User-specific files
*.suo
*.user
*.userosscache
*.sln.docstates
*.dll
*.fo...