angular components and templates

Displaying Data

The live example / download example demonstrates all of the syntax and code snippets described in this page.

Showing component properties with interpolation

The easiest way to display a component property is to bind the property name through interpolation. With interpolation, you put the property name in the view template, enclosed in double curly braces: {{myHero}}.
When you bootstrap with the AppComponent class (in main.ts), Angular looks for a <app-root> in the index.html, finds it, instantiates an instance of AppComponent, and renders it inside the <app-root> tag.

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Angular2 Architecture Overview

Angular is a framework for building client applications in HTML and either JavaScript or a language like TypeScript that compiles to JavaScript.
The framework consists of several libraries, some of them core and some optional.

You write Angular applications by composing HTML templates with Angularized markup, writing component classes to manage those templates, adding application logic in services, and boxing components and services in modules.
Then you launch the app by bootstrapping the root module. Angular takes over, presenting your application content in a browser and responding to user interactions according to the instructions you've provided.

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Angular QuickStart

1-What is Angular?

Angular is a platform that makes it easy to build applications with the web. Angular combines declarative templates, dependency injection, end to end tooling, and integrated best practices to solve development challenges. Angular empowers developers to build applications that live on the web, mobile, or the desktop

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Apache MINA Spring

1-What is Apache MINA?

Apache MINA (Multipurpose Infrastructure for Network Application) is an open source java network application framework. MINA is can be used to create Scalable, high performance Network applications. MINA provides unified API's for various transports like TCP, UDP, Serial communication, In-VM pipe. It also makes it easy to make an implementation of custom transport type. MINA provides both high-level and low-level network API's.
Application Structure

MINA based Application Architecture

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Cắt css cho trang web đầu tiên của bạn

Lập trình viên code java hay rất e ngại khi gặp phải phần thiết kế web, tuy nhiên một chút kiến thức căn bản có thể giúp java coder có thể tự tin hơn trong việc chuyển đổi từ thiết kế của UI/UX + CUT CSS team sang file jsp hay các dạng  view khác; hoặc có thể thiết kế thô sơ cho trang web của bạn sau đó sẽ chờ đến phase nâng cấp để cải tiến giao diện. Bài viết của tác giả Dirk với tiêu đề Slice and code your first website sẽ giúp chúng ta có cái nhìn cơ bản công việc của những thành viên nhóm design như thế nào. Thậm chí java coder có thể thiết kế một chút website với Photoshop trong khi chờ đợi kết quả thiết kế từ thành viên nhóm UI/UX. Chúc mừng bạn! Nhưng bây giời bạn phải làm cái gì? Bạn làm thế nào để website của bạn có thể chạy tốt. Trong bài viết này, tác giả sẽ giải thích làm thế nào để chia ra và code website bằng html/css.

Okay,
tác giả sẽ giải thích cho bạn làm thế nào để cắt ra thành từng lát template của bạn trong Photoshop và làm thế nào để code nó trong Dreamweaver sử dụng những thẻ DIV.
Tệp PSD & HTMLcủa template này đã có sẵn để tải về và bạn sẽ dễ dàng hơn làm theo những bước chỉ ra. Xem trước cái mà tác giả đã hoàn thành.

Bước 1:

Bạn có thể bắt đầu với việc tải Slice and Code PSD.
Mở nó với Photoshop CS6 và chọn slice tool (có thể dùng Crop tool + lệnh Trim).

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Vẽ biểu đồ bằng thư viện Chart.js

Cài đặt Chart.JS

<script src="${contextURL}resources/js/plugin/chartjs/chart.min.js"></script>
You can download the latest version of Chart.js from the GitHub releases or use a Chart.js CDN. Detailed installation instructions can be found on the installation page.

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jQuery datepicker bootstrap-datetimepicker

Datepicker Datetimepicker

datepicker để hiển thị lịch chọn ngày/tháng/năm, trong khi datetimepicker để lựa chọn giá trị có format như HH:mm:ss DD/MM/YYYY"

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datatables - datatables.net

1-Datatables trong spring mvc

Introduction

DataTables operates on the principle of progressive enhancement, whereby an enhanced and interactive table will be presented to the end user if their browser has the required capabilities. When you initialise the jQuery.dataTable object, information about the table is read directly from the HTML page. In combination with the default values for the features in DataTables, this makes it very easy to integrate directly into your web-site or web-application. Optionally, you can use the initialisation parameters to load data from locations other than the DOM, such as a server-side processing script or an Ajax obtained JSON file.

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JPA Criteria API

Using the Criteria API to Create Queries

The Criteria API is used to define queries for entities and their persistent state by creating query-defining objects. Criteria queries are written using Java programming language APIs, are typesafe, and are portable. Such queries work regardless of the underlying data store.

The following topics are addressed here:

• Overview of the Criteria and Metamodel APIs
• Using the Metamodel API to Model Entity Classes
• Using the Criteria API and Metamodel API to Create Basic Typesafe Queries

0.1 Overview of the Criteria and Metamodel APIs

Similar to JPQL, the Criteria API is based on the abstract schema of persistent entities, their relationships, and embedded objects. The Criteria API operates on this abstract schema to allow developers to find, modify, and delete persistent entities by invoking Java Persistence API entity operations. The Metamodel API works in concert with the Criteria API to model persistent entity classes for Criteria queries.

The Criteria API and JPQL are closely related and are designed to allow similar operations in their queries. Developers familiar with JPQL syntax will find equivalent object-level operations in the Criteria API.

The following simple Criteria query returns all instances of the Pet entity in the data source:

EntityManager em = ...;
CriteriaBuilder cb = em.getCriteriaBuilder();
CriteriaQuery<Pet> cq = cb.createQuery(Pet.class);
Root<Pet> pet = cq.from(Pet.class);
cq.select(pet);
TypedQuery<Pet> q = em.createQuery(cq);
List<Pet> allPets = q.getResultList();

The equivalent JPQL query is

SELECT p
FROM Pet p

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JPA Select Statements and NamedQuery

Select Statements

A select query has six clauses: SELECT, FROM, WHERE, GROUP BY, HAVING, and ORDER BY. The SELECT and FROM clauses are required, but the WHERE, GROUP BY, HAVING, and ORDER BY clauses are optional. Here is the high-level BNF syntax of a query language select query:

     Note: some of the terms referred to in this chapter.

• Abstract schema: The persistent schema abstraction (persistent entities, their state, and their relationships) over which queries operate. The query language translates queries over this persistent schema abstraction into queries that are executed over the database schema to which entities are mapped.
• Abstract schema type: The type to which the persistent property of an entity evaluates in the abstract schema. That is, each persistent field or property in an entity has a corresponding state field of the same type in the abstract schema. The abstract schema type of an entity is derived from the entity class and the metadata information provided by Java language annotations.
• Backus-Naur Form (BNF): A notation that describes the syntax of high-level languages. The syntax diagrams in this chapter are in BNF notation.
• Navigation: The traversal of relationships in a query language expression. The navigation operator is a period.
• Path expression: An expression that navigates to an entity's state or relationship field.
• State field: A persistent field of an entity.
• Relationship field: A persistent field of an entity whose type is the abstract schema type of the related entity.

QL_statement ::= select_clause from_clause 
  [where_clause][groupby_clause][having_clause][orderby_clause]

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