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My first post

I will write something about the programming what I learn or try in English.

Because I have learned TypeScript, Angular, etc, I will  write about them first.

All of the posts are just for myself. But I hope they also will be useful for someone :)


If you want, you can write  some comments in English, Japanese, or Chinese.

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[Angular][ASP.NET Core] Upload chunked files

Intro I wanted to send files to Web application (made by ASP.NET Core). If the file size had been small, I didn't need do any special things. But when I tried to send a large file, the error was occurred by ASP.NET Core's limitation. Though I could change the settings, but I didn't want to do that, because I hadn't known the file sizes what would been actually using. So I splitted the data into chunks first, and sent them. After receiving all chunks, I merged them into one file. There might be some libraries or APIs (ex. Stream API) what did them automatically, but I couldn't find them. What I did [ASP.NET Core] Make CORS enabled [Angular] Split a large file into chunks [Angular][ASP.NET Core] Send and receive data as form data [ASP.NET Core] Merge chunks into one file [ASP.NET Core] Make CORS enabled Because the client side application(Angular) and the server side application(ASP.NET Core) had been separated, I had to make CORS(Cross-Origin Requests) ...
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[Nest.js] Show static files

Intro I wanted to use Nest.js and WebRTC(node-webrtc). NestJS - A progressive Node.js framework Documentation | NestJS - A progressive Node.js framework And because I wanted to try with simple page(not use JavaScript frameworks), I added static HTML, CSS, JavaScript into a Nest.js project. Prepare Install First, I installed @nestjs/cli. First steps | NestJS - A progressive Node.js framework As same as last time , I couldn't do global install because I had used Volta. But I could installed by volta. volta install @nestjs/cli Create project nest new nest-web-rtc-sample volta pin node@12 Run npm start After doing "npm start", I could getting "Hello World!" from http://localhost:3000. Add static files I could add static files by two ways. @nestjs/serve-static First one of them was using "serve-static". Serve Static | NestJS - A progressive Node.js framework npm install --save @nestjs/serve-static And I needed adding a module into app.modu...
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[Angular][Nest.js] Add TypeOrm

Intro This time I added TypeOrm into the Nest.js project. [Angular 10 + NgRx + Nest.js] Create project Use TypeOrm Install To use TypeOrm I installed some packages.  [PostgreSQL] Play with TypeORM 1   And to integrate the Nest.js project, I add an additional package. npm install --save @nestjs/typeorm typeorm pg Database | NestJS - A progressive Node.js framework Configuration Last time I used "ormconfig.json" for TypeOrm configuration. In Nest.js projects, I also could write them in "app.module.ts". server/app.module.ts import { Module } from '@nestjs/common'; import { AngularUniversalModule } from '@nestjs/ng-universal'; import { TypeOrmModule } from '@nestjs/typeorm'; import { join } from 'path'; import { Workflow } from './entities/workflow.entity'; @Module({ imports: [ AngularUniversalModule.forRoot({ viewsPath: join(process.cwd(), 'dist/browser'), bundle: require('../serve...
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