We will render math Formula in browser by Js engine MathJax. Download the mathjax package to host it from our own server. git clone https://github.com/mathjax/MathJax.git mj-tmp mv mj-tmp/es5 <path-to-server-location>/mathjax rm -rf mj-tmp Write a JS file which import mathjax to analyze string which contains latex math code. check-for-tex.js: (function () Read more…
Create a file GetPrimers.c which has a simple math function. #include <stdio.h> // export the function. #ifdef __EMSCRIPTEN__ #include <emscripten.h> EMSCRIPTEN_KEEPALIVE #endif int compute( int a, int b ) { int ans = 1; for( int i = 0; i < b; ++i ) { ans = ans * a; Read more…
The post introduce a way to make your wordpress website has the ability to check network connection. Install the plugin Insert Headers and Footers for wordpress. Add the following code in header part. <script> if (“serviceWorker” in navigator) { navigator.serviceWorker.register(“/serviceworker.js”) .then(function(registration) { console.log(“Service Worker registered with scope:”, registration.scope); }).catch(function(err) { Read more…
We have to create zip file from output folder. After that users can download the result. Install zipfile module for python. pip install zipfile36 Use it in our python script to generate zip file. import sys, fitz # import the bindings if sys.version_info >= (3, 6): import zipfile else: import Read more…
Somtimes the user’s browser is not the newest version. It may not support WebAssembly or a few functions. So we have to test it before using. Is WebAssembly Supported? Import a WebAssembly module and create an instance of it. Track this process to see if any problems arise. <!doctype html> Read more…
Create a small program by computer language C, it print primers in range (1, 6000). Let’s compile it by emcc and generate a template html file. #include <stdio.h> const int N = 6000; int primer[N],count; char visit[N] = { 0 }; void GetPrimers() { count = 0; for (int i Read more…
Here is a demo for showing tips when users input keys on an HTML page. Result: