With GraphQL, every field and nested object can have a set of arguments which can be used to request very specific data from a GraphQL API. In this lesson, we will pass arguments to the GitHub API inline and as query variables. We can named query: qu…
Kibi extends Kibana 4.6.4 with data intelligence features. The core feature of Kibi is the capability to join and filter data from multiple Elasticsearch indexes and from SQL/NOSQL data sources. In addition, Kibi provides UI features and visualizatio…
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 for. SELECT title FROM movies; SELECT title FROM movies WHERE release_date > '01-01-1975'; SELECT titl…
ASP.NET Core中使用GraphQL - 目录 ASP.NET Core中使用GraphQL - 第一章 Hello World ASP.NET Core中使用GraphQL - 第二章 中间件 ASP.NET Core中使用GraphQL - 第三章 依赖注入 ASP.NET Core中使用GraphQL - 第四章 GrahpiQL ASP.NET Core中使用GraphQL - 第五章 字段, 参数, 变量 ASP.NET Core中使用GraphQL - 第六章 使用EF Co…
你可以选择在查询语句的最后加上 for update,就可以打开编辑锁,直接修改数据. 而在默认查询下,点击Edit data,会报错:The query results are not updateable. SQL代码示例 select * from table_name for update; (table_name为要编辑的表)…
You can load resource based on the url using the a combination of ActivatedRouteand Angular 2’s Http service. Since the params and Http are both streams, you can use RxJS to get the data off the param then switchMap over to an Http request using that…
Pipes allow you to change data inside of templates without having to worry about changing it in the Controller. Creating a custom Pipe is as simple as giving it a name and a transform function that output what you expect. startsWith.ts: import {Pipe}…
A GraphQL fragment encapsulates a collection of fields that can be included in queries. In this video, we'll look at how to create fragments on types to reduce the amount of typing that needs to occur as queries become more complex. We'll use the Git…
比如有个实体类对象,类名为Book,对应数据表的表名为book 1. 一个使用@Query注解的简单例子:占位符?1和?2 @Query(value = "select name,author,price from Book b where b.price>?1 and b.price<?2") List<Book> findByPriceRange(long price1, long price2); 2. Like表达式:指定参数 :name,下面要用@P…
We use the following notational conventions in this section: Type expressions are represented using the letters A, F, U, V, and W. The letter A is only used to denote the type of an actual argument, and F is only used to denote the type of a formal p…
背景是往一个第三方的搜索插件里面加入filter功能. 首先是路径,插件自己定义了一个router,类似于cms.那首先说说router好了,从入口一路追查的话,会发现最后进入的是Mage_Core_Controller_Varien_Front类下面的dispatch()函数. public function dispatch() { $request = $this->getRequest(); // If pre-configured, check equality of base URL…
/** * Specifies methods used to obtain and modify person related information * which is stored in the database. * @author Petri Kainulainen */ public interface PersonRepository extends JpaRepository<Person, Long> { /** * Finds a person by using the…
https://msdn.microsoft.com/en-us/library/ff647787.aspx Retired Content This content is outdated and is no longer being maintained. It is provided as a courtesy for individuals who are still using these technologies. This page may contain URLs that we…
https://msdn.microsoft.com/en-us/library/ms157328(v=SQL.100).aspx Expressions are used frequently in reports to control content and report appearance. Expressions are written in Microsoft Visual Basic, and can use built-in functions, custom code, glo…
What Is Multi Tenancy? "Software Multitenancy refers to a software architecture in which a single instance of a software runs on a server and serves multiple tenants. A tenant is a group of users who share a common access with specific privileges to…
Introduction In the software development life cycle, testing and defect fixing take more time than actually code writing. In general, debugging is a process of finding out defects in the program and fixing them. Defect fixing comes after the debuggin…
In this lesson we look at how the Apollo @client directive can be used to fetch client-side state along with server data with one query. I also show how to update the client-side state using a mutation connected to a button. Additional Resources Apol…
原文地址:http://javabeat.net/spring-data-jpa-query/ In my previous post on Spring Data, I have explained the basic concepts and configurations for Spring Data JPA. In this tutorial, I am going to explain @Queryannotation and how to create custom query us…
在spring boot中, repository中使用@Query注解使用hql查询,使用@Param引用参数 如题报错: For queries with named parameters you need to use provide names for method parameters. Use @Param for query method parameters, or when on Java 8+ use the javac flag -parameters. org.sprin…
In this lesson I refactor a React component that utilizes the graphql higher-order component to the new Query render prop component baked into react-apollo. Additional Resources: What's next for React Apollo import React from "react"; import { r…