http://blogs.msdn.com/b/debuggingtoolbox/archive/2011/10/03/top-things-to-consider-when-troubleshooting-complex-application-issues.aspx 1- For reactive incidents: “Bring the engineer onsite because it is going to be easier to isolate the problem.” Th…

最近在查调试相关资料的时候,无意看到Tess的一篇关于如何快速分析复合场景问题的博文,感觉很实用,Mark备忘. My 9 questions for a pretty thorough problem description When I call up a customer to start working on an issue I am generally looking for them to answer 9 questions in their own words. 1. What…

In this Document   Purpose   Troubleshooting Steps   References APPLIES TO: Oracle Database - Enterprise Edition - Version 11.1.0.6 and laterInformation in this document applies to any platform. PURPOSE This document aims to provide troubleshooting s…

In this Document   Purpose   Troubleshooting Steps   What is a 'library cache: mutex X' wait?   What causes 'library cache: mutex X' wait?   Name of events in 12c and higher   How to diagnose the cause.   How to Examine the Diagnostics.   Potential S…

Copyright (c) 2018, Oracle. All rights reserved. Oracle Confidential. Click to add to Favorites Troubleshooting: High Version Count Issues (Doc ID 296377.1) To BottomTo Bottom In this DocumentPurpose Ask Questions, Get Help, And Share Your Experience…

Deep Reinforcement Learning Based Trading Application at JP Morgan Chase https://medium.com/@ranko.mosic/reinforcement-learning-based-trading-application-at-jp-morgan-chase-f829b8ec54f2 FT released a story today about the new application that will op…

What is a 'library cache: mutex X' wait? The mutex feature is a mechanism to control access to in memory structures. It is used in a number of areas including the library cache. The library cache is a memory area that holds parsed cursor structures n…

引用自:http://rusanu.com/2013/08/01/understanding-how-sql-server-executes-a-query/ Understanding how SQL Server executes a query August 1st, 2013 If you are a developer writing applications that use SQL Server and you are wondering what exactly happens…

http://queue.acm.org/detail.cfm?id=1854041 The July/August issue of acmqueue is out now acmqueue is free for ACM professional members. Non-members can purchase an annual subscription for $19.99 or a single issue for $6.99. Download the app from iTune…

使用HTTP Status区分不同消息返回 最基础的三个状态200 OK, 400 Client Error, 500 Server Error 这些应该是够的, 如果客户端可以处理更细的划分, 可以细分为:200 OK,  201 Created, 304 Not Modified, 400 Client Error, 401 Unauthorized, 403 Forbidden, 404 Not Found, 500 Server Error 定义基础错误信息结构 { "status&qu…