Zhentiw - 博客园

2017年3月8日

[Angular] Using directive to create a simple Credit card validator

摘要： We will use 'HostListener' and 'HostBinding' to accomplish the task. The HTML: Create directive: Add a HostListener when user type input: And we want 阅读全文

posted @ 2017-03-08 19:35 Zhentiw 阅读(263) 评论(0) 推荐(0)

[Docker] Container & image (docker run)

摘要： image: stopped container Run a container: Run in background. Stop it: Start it again: Stop all the running containers: Remove all the containers: remo 阅读全文

posted @ 2017-03-08 03:23 Zhentiw 阅读(275) 评论(0) 推荐(0)

[Django] Building the rest API

摘要： Install the rest api framework: In settings.py: Create serializers to transform python to JSON: It will according to 'Card' and 'List' Models to gener 阅读全文

posted @ 2017-03-08 02:46 Zhentiw 阅读(182) 评论(0) 推荐(0)

2017年3月7日

[React] Recompose: Override Styles & Elements Types in React

摘要： When we move from CSS to defining styles inside components we lose the ability to override styles with an external style sheet. We also lose the abili 阅读全文

posted @ 2017-03-07 20:46 Zhentiw 阅读(694) 评论(0) 推荐(0)

[Postgres] Filter Data in a Postgres Table with Query Statements

摘要： We have all this data, but how do we answer questions about it? In this lesson we’ll learn how to filter down to just the information we’re looking fo 阅读全文

posted @ 2017-03-07 19:35 Zhentiw 阅读(169) 评论(0) 推荐(0)

[Postgre] Insert Data into Postgre Tables

摘要： // Insert one row INSERT INTO movies (title, release_date, count_stars, director_id) VALUES ( 'Kill Bill', '10-10-2003', 3, 1 ); // Insert multi rows INSERT INTO movies (title, release_... 阅读全文

posted @ 2017-03-07 19:29 Zhentiw 阅读(194) 评论(0) 推荐(0)

[Ramda] Convert Object Methods into Composable Functions with Ramda

摘要： In this lesson, we'll look at how we can use Ramda's invoker and constructNfunctions to take methods of an object and turn them into reusable utility 阅读全文

posted @ 2017-03-07 16:24 Zhentiw 阅读(207) 评论(0) 推荐(0)

[Django] The admin interface

摘要： Now let's see how to access admin interface. 1. Create a super user which can access admin interface: 2. Inside admin.py, we import the Models we have 阅读全文

posted @ 2017-03-07 04:01 Zhentiw 阅读(415) 评论(0) 推荐(0)

2017年3月6日

[TypeScript] Typescript Interfaces vs Aliases Union & Intersection Types

摘要： TypeScript has 'interface' and 'type', so when to use which? It is recommended that to use 'interface' to define the props that obj should have. 'type 阅读全文

posted @ 2017-03-06 19:48 Zhentiw 阅读(215) 评论(0) 推荐(0)

[Angular] Using ngTemplateOutlet to create dynamic template

摘要： I can use <tamplete> syntax and a entry component as a container to create a dynamic component. Notice it will create a empty div as a placeholder in 阅读全文

posted @ 2017-03-06 19:30 Zhentiw 阅读(1242) 评论(0) 推荐(0)

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