skyworth98-优快云博客

原创 Nuance deadlock on console output redirection.

I helped a colleague on debugging the program she wrote. It's so weird that if we invoke the program directly by cmd.exe, it executes perfectly. However, if we invoke it from another program wrote by

2013-07-09 10:41:56 1145

转载 How to Clone an Encrypted Hard Drive

Whether for backup or forensics, the cloning of an encrypted hard drive can be accomplished easily using the dd, or disk dump, tool that comes with all POSIX-based operating systems. As a raw disk

2012-10-13 09:49:28 848

转载 Show progress during dd copy

dd is a popular, generic command-line tool for copying files from 1 location to another. It is often used to copy entire disk images. Like many Linux command line tools, it operates silently unless

2012-10-13 09:45:44 930

原创 Linked server perfmance tuning.

We have two SQL servers, one is the production server, and the other one is reporting server. Reporting server keepts pulling records from production server and deletes expired record from production

2011-10-31 16:22:57 893

原创 How to RESOLVE a breakpoint on a managed Main method.

Recently I've been playing with Rotor 2.0 (SSCLI 2.0). Previously I've already got a rolling build, but soon I have VS2010 installled and tried to build Rotor with it, which turned out to be a bad idea: when I struggled to get a PAL build successfully, a b

2010-12-07 20:26:00 1655

原创用VS2010编译rotor

参考网上用VS2008编译的帖子，试着用VS2010编译，结果好不容易编译过了PAL和工具里面的binplace，结果binplace居然是一个非法的win32程序,ft...

2010-12-04 10:59:00 924

原创程序是从main开始执行，最后main返回就结束了吗？

前几天看到一个朋友，想要在main执行之前执行一段代码，当时记得不太清，就不敢贸然回答，怕误导别人。等弄清楚了，却发现那个帖子不见了，汗。先看几个小例子： 1. #include int a = 3; int main(int argc, char* argv[]){ printf("The value of a is %d./n", a); g

2010-04-24 13:32:00 5126

转载 Optimization is often counter-intuitive

Optimization is often counter-intuitiveAnybody whos done intensive optimization knows that optimization is often counter-intuitive. Things you think would be faster often arent. Consider, for

2010-01-07 10:49:00 769

原创干掉该死的TXOPShow.exe

腾讯现在也越来越垃圾了，居然搞好几个后台进程，特别是TXOPShow.exe，居然可以占80+M内存，虽然现在内存便宜，也不是这么浪费的呀。直接删除居然要求重新安装……想来想去，在注册表中加入了以下项： Windows Registry Editor Version 5.00[HKEY_LOCAL_MACHINE/SOFTWARE/Microsoft/Windows NT/Curr

2009-12-20 18:27:00 1259