WET Dilutes Performance Bottlenecks Kirk Pepperdine THE IMPORTANCE OF THE DRY PRINCIPLE (Don't Repeat Yourself) is that it codifies the idea that every piece of knowledge in a system should have a singular representation. In other words, knowledge sh…

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…

Sample This tutorial will show how to instrument a unit test DLL for performance profiling. Visual Studio will allow you to do performance profiling on individual tests (i.e. functions) in a test suite. This can be done in the user interface (i.e. UI…

转自http://www.gamasutra.com/view/feature/132084/sponsored_feature_common_.php?print=1 By Becky Heineman [In this technical article, part of Microsoft's XNA-related Gamasutra microsite, XNA Developer Connection staffer and Interplay co-founder Becky He…

https://msdn.microsoft.com/en-us/library/ff647787.aspx Retired Content This content is outdated and is no longer being maintained.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…

compared all possibilities with a long test sheet: 0,140625 sec for lastrow = calcws.Cells.Find("*", [A1], , , xlByColumns, xlPrevious).row 0 sec for iLastRow = calcws.Cells(rows.count, "a").End(xlUp).row and numofrows = calcws.Cells.S…

About the Java Technology Java technology is both a programming language and a platform. The Java Programming Language The Java programming language is a high-level(高级) language that can be characterized by(以-为特点) all of the following buzzwords(流行语):…

本文由 Ceph 中国社区 -QiYu 翻译 英文出处:Using Ceph with MySQL 欢迎加入CCTG Over the last year, the Ceph world drew me in. Partly because of my taste for distributed systems, but also because I think Ceph represents a great opportunity for MySQL specifically and data…

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…

What is load testing? - Load testing is to test that if the application works fine with the loads that result from large number of simultaneous users, transactions and to determine weather it can handle peak usage periods. What is Performance testing…