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Today, we review some Linux commands and a little bit C programming. The first command reviewed is STRACE, which is used to trace system calls and sig 阅读全文
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Have you found important things to do in your life? 弹指挥手间，迟暮现， 风清云淡早，是场散。 夜黑阴雨季，少年时； 茶香炊烟起，复一日。 阅读全文
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This is about Oracle database 11g query slow probing. There was a case about a query took 5 seconds on a 1 million records table. This looks slow in q 阅读全文
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About 20 years ago, non-concurrent application can benefit from single core CPU revolution. Every generation of the CPU increases its frequency, appli 阅读全文
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This document is about performance measurement review on regular concurrent linked list and hand-over-hand protocol linked list. Section#1: Regular co 阅读全文
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The development of science has been improving significantly in the past 200 years in the human history. Human inventions like usage of the electricity 阅读全文
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There are many ways to load text data file into the database. In general, we would use applications that database service providers' product. For exam 阅读全文
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This is about product inventory calculation. In order entry software development, we will be dealing with products inventory. For example: 1. When sel 阅读全文
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The tests are based on a developed website, which is hosted on IIS 7.5. A static html page is under the tests via webbench 1.5. Webbench simulated 100 阅读全文
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This practice is about artDialog and Jquery used in the Asp.Net development. The tests are done in IE 11, Chromium 65, Firefox 38, 82, There is a litt 阅读全文