[JeffHung.Blog]

再探 wcfind -- 用 find2perl 實作

Posted in Devel, Programming by jeffhung @ February 27th, 2008 | Comments (0)

Implementing dprintf() without __VA_ARGS__

Posted in Programming by jeffhung @ January 29th, 2008 | Comments (5)

Wrong %z in strftime() on Visual C++?

Posted in Devel, Programming by jeffhung @ January 28th, 2008 | Comments (0)

Detecting VC6 service pack version

Posted in Devel, Programming by jeffhung @ January 24th, 2008 | Comments (4)

Best font for programming is...?

Posted in Devel, Programming by jeffhung @ January 21st, 2008 | Comments (10)

"mail".toUpperCase() 不等於 "MAIL"？

Posted in Programming by jeffhung @ January 15th, 2008 | Comments (1)

我可不可以不要寫這種 code？

Posted in Murmuring, Programming by jeffhung @ January 7th, 2008 | Comments (1)

Race condition in C wrapper of mutex class

Posted in Programming by jeffhung @ December 15th, 2007 | Comments (8)

0 error(s), 794 warning(s)

Posted in Devel, Feeling by jeffhung @ October 31st, 2007 | Comments (1)

Implementing dprintf() with __VA_ARGS__

Posted in Programming by jeffhung @ September 14th, 2007 | Comments (8)

在程式寫作的過程中，通常我們會需要輸出一些訊息，方便我們瞭解程式的運作情形，以便偵錯。因為這些訊息，對程式的真正使用者，也就是我們開發者的客戶，並沒有意義。是故，通常我們會將程式分成測試版 (debug version 或 debug mode) 或釋出版 (release version 或 release mode)，然後只在測試版裡輸出這些訊息，而在釋出版裡完全抑制這些訊息的輸出。本文介紹如何實作完美的 dprintf() 來傾印偵錯訊息。

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