在编写Salesforce后台代码的时候,如果数据量比较大,或者需要与数据库的交互比较频繁的话,那么会抛出一些限制的异常,来提示你让你做进一步的修改. 有这些限制实质上是跟Salesforce是一个云计算平台有关,这个平台同时 host 多个不同的应用共不同的用户使用,那么去限定每个应用所能够访问的最大资源也是有他自身的合理性的. 1):  通过Log可以看到salesforce中的一些设定限制 2): 如何去避免和修改此类异常呢? 最常用的方法就是有如下几种 不要在循环中去操作数据库,避免SO…

Great learning for me:https://www.hackerrank.com/rest/contests/master/challenges/lucky-numbers/hackers/turuthok/download_solution Basically it is memorized search application. And we follow a discrete strategy: split it into digits and go digit by di…

本文主要介绍JavaScript程序内部的执行机制 首先先了解什么是执行上下文 执行上下文就是当前JavaScript代码被解析和执行是所在环境的抽象概念,JavaScript中运行任何的代码都是在执行上下文中运行. 执行上下文的类型,总共有三类 全局执行上下文:这是默认的,最基础的执行上下文.不在任何函数中的代码都位于全局执行上下文中.共有两个过程:1.创建有全局对象,在浏览器中这个全局对象就是window对象.2.将this指针指向这个全局对象.一个程序中只能存在一个执行上下文. 函数执行上…

http://www.oracle-class.com/?p=3058 1. Introduction: Oracle database 12c comes with several Resource management enhancements to handle resources within CDBs and PDBs. In this article we will focus on the use of Resource Manager in a CDB environment.…

https://docs.microsoft.com/en-us/aspnet/mvc/overview/older-versions-1/overview/understanding-the-asp-net-mvc-execution-process Requests to an ASP.NET MVC-based Web application first pass through the UrlRoutingModule object, which is an HTTP module. T…

Understanding Virtual Memory by Norm Murray and Neil Horman Introduction Definitions The Life of a Page Tuning the VM Example Scenarios Further Reading About the Author Introduction One of the most important aspects of an operating system is the Virt…

http://www.cubrid.org/blog/dev-platform/understanding-jvm-internals/ http://architects.dzone.com/articles/understanding-jvm-internals 这篇也不错,推荐读一下 Every developer who uses Java knows that Java bytecode runs in a JRE (Java Runtime Environment). The mos…

Life Cycle of Thread – Understanding Thread States in Java 深入理解java线程生命周期. Understanding Life Cycle of Thread and Thread States are very important when you are working with Threads and programming for multi-threaded environment. 理解线程的生命周期很重要滴,当你在你的程序…

Apache Kafka is an attractive service because it's conceptually simple and powerful. It's easy to understand writing messages to a log in one place, then reading messages from that log in another place. This simplicity not only allows for a nice sepa…

Today, I have come across different workflow related limits for SharePoint Server 2010. Limit Maximum value Limit type Notes Workflow timer batch size 100 Threshold The number of events that each run of the workflow timer job will pick up and deliver…