To Polo, an Email not Sent
Posted on September 29th, 2006 at 23:34 by fr3@K

Polo 是我十幾年前的同學, 我們不但一直都是好朋友, 這兩年更一起工作. 今年初 (我想最大原因是為了我) 他也到了北京 office 上班.

由於感情因素, 我剛去北京的時候心情狀況非常糟, 我十分感謝有這個朋友, 有他陪我度過接下來的的幾個月, 直到我遇到現在的老婆.

大約四五個月前, 有段時間他的野蠻女友, 也不知道是真的還是假的, 總之跟他鬧分手, 這是我當時寫給他但一直沒寄的 email.

(more…)

del.icio.us:To Polo, an Email not Sent digg:To Polo, an Email not Sent spurl:To Polo, an Email not Sent newsvine:To Polo, an Email not Sent furl:To Polo, an Email not Sent Y!:To Polo, an Email not Sent 黑米共享書籤:To Polo, an Email not Sent 推推王:To Polo, an Email not Sent
Boost.Lambda
Posted on September 29th, 2006 at 20:32 by fr3@K

STL 提供了許多實用的 algorithm. 例如 for_each, 可將一個 functor 施用於一串 iterator 所 dereference 後的 instance:

    // Example A
    struct output_to_console_followed_by_a_space
    {
        template 
        void operator () (const T& instance) const
            {
                cout < < instance << ' ';
            }
    };
    
    void foo (const vector& values)
    {
        // do a few things first...
    
        // some lines of code
    
        // some more code
    
        for_each(
            values.begin(),
            values.end(),
            output_to_console_followed_by_a_space());
    }
    

許多時候, 在 algorithm 中要對 iterator dereference 後得到的 instance 做的事情很 trivial. 就像例 A 一樣寫個 functor 一點都不困難, 可是卻有幾個地方很討厭.
(more…)

del.icio.us:Boost.Lambda digg:Boost.Lambda spurl:Boost.Lambda newsvine:Boost.Lambda furl:Boost.Lambda Y!:Boost.Lambda 黑米共享書籤:Boost.Lambda 推推王:Boost.Lambda
SSHing Hosts with Different Usernames
Posted on September 28th, 2006 at 20:43 by fr3@K

應該有不少人跟我一樣, 有好幾個在不同的地方 shell 帳號. 有自己的機器上的, 有公司的, 有花錢租的 virtual host, 有參加 FOSS 相關計畫用的. 這些帳號 (login name) 常不一樣.

當我在這些機器上 ssh 過來 ssh 過去的時候, 常得多敲好幾個鍵, 把 login name 餵給 ssh. 今天被這事情搞煩了, 認真把 ssh_config 的 man page 看了, 產出就是 ~/.ssh/config:


# Office
Host office-domain.name *.office-domain.name 192.168.* some-office-machine-name
    User login-name-at-office

# Some project
Host shell.foss-project.org
    User another-login-name

del.icio.us:SSHing Hosts with Different Usernames digg:SSHing Hosts with Different Usernames spurl:SSHing Hosts with Different Usernames newsvine:SSHing Hosts with Different Usernames furl:SSHing Hosts with Different Usernames Y!:SSHing Hosts with Different Usernames 黑米共享書籤:SSHing Hosts with Different Usernames 推推王:SSHing Hosts with Different Usernames
XIM on Deskbar Applet, but it’s really SCIM
Posted on September 28th, 2006 at 20:17 by fr3@K

猛然發現我的 Deskbar Applet 不能輸入中文 (使用 SCIM). 現象是 Crtl + Space 完全沒反應.

不令人意外地, Google 告訴我我不是孤獨的, 對岸也有人也遇到這問題, 而且解法非常神奇 - 在 Deskbar 上按右鍵, 在輸入法的選單裡選擇 XIM.

不解….

del.icio.us:XIM on Deskbar Applet, but it's really SCIM digg:XIM on Deskbar Applet, but it's really SCIM spurl:XIM on Deskbar Applet, but it's really SCIM newsvine:XIM on Deskbar Applet, but it's really SCIM furl:XIM on Deskbar Applet, but it's really SCIM Y!:XIM on Deskbar Applet, but it's really SCIM 黑米共享書籤:XIM on Deskbar Applet, but it's really SCIM 推推王:XIM on Deskbar Applet, but it's really SCIM
Bug Freedom
Posted on September 27th, 2006 at 16:39 by fr3@K

同事 Brian 說:

沒有所謂 bug free 這回事,只有 Bug Freedom。

就跟打麻將沒有不放炮一樣,

寫程式也不會沒有 bug,

這,就是 Bug Freedom。

請受小弟一拜 Orz

del.icio.us:Bug Freedom digg:Bug Freedom spurl:Bug Freedom newsvine:Bug Freedom furl:Bug Freedom Y!:Bug Freedom 黑米共享書籤:Bug Freedom 推推王:Bug Freedom
NAT Traversal, part 1 – NAT Behavior
Posted on September 21st, 2006 at 1:12 by fr3@K

續自 NAT Traversal, part 0.

NAT (不包含防火牆) 處理 UDP 封包的行為中, 對 p2p 影響最大的兩類為:

  1. External Port Mapping
  2. Filtering

(more…)

del.icio.us:NAT Traversal, part 1 - NAT Behavior digg:NAT Traversal, part 1 - NAT Behavior spurl:NAT Traversal, part 1 - NAT Behavior newsvine:NAT Traversal, part 1 - NAT Behavior furl:NAT Traversal, part 1 - NAT Behavior Y!:NAT Traversal, part 1 - NAT Behavior 黑米共享書籤:NAT Traversal, part 1 - NAT Behavior 推推王:NAT Traversal, part 1 - NAT Behavior
給小乖乖
Posted on September 20th, 2006 at 18:17 by fr3@K

心動是遇見了你,

快樂是因為有你,

等待是為了相聚,

幸福屬於我們一起,

再也不要分離,

我的誓言永不過期。

del.icio.us:給小乖乖 digg:給小乖乖 spurl:給小乖乖 newsvine:給小乖乖 furl:給小乖乖 Y!:給小乖乖 黑米共享書籤:給小乖乖 推推王:給小乖乖
NAT Traversal, part 0
Posted on September 20th, 2006 at 1:43 by fr3@K

根據 wikipedia 的定義, 一個 peer-to-peer (p2p) computer network 是一個主要依賴該網路上參與者 (相對於依賴服務器) 的運算能力與帶寬的網路.

(more…)

del.icio.us:NAT Traversal, part 0 digg:NAT Traversal, part 0 spurl:NAT Traversal, part 0 newsvine:NAT Traversal, part 0 furl:NAT Traversal, part 0 Y!:NAT Traversal, part 0 黑米共享書籤:NAT Traversal, part 0 推推王:NAT Traversal, part 0
Protected: Chen’s Office and Resident Circumvallated
Posted on September 16th, 2006 at 1:08 by fr3@K

This post is password protected. To view it please enter your password below:


del.icio.us:Chen's Office and Resident Circumvallated digg:Chen's Office and Resident Circumvallated spurl:Chen's Office and Resident Circumvallated newsvine:Chen's Office and Resident Circumvallated furl:Chen's Office and Resident Circumvallated Y!:Chen's Office and Resident Circumvallated 黑米共享書籤:Chen's Office and Resident Circumvallated 推推王:Chen's Office and Resident Circumvallated
Protected: Red Tide in September
Posted on September 14th, 2006 at 2:17 by fr3@K

This post is password protected. To view it please enter your password below:


del.icio.us:Red Tide in September digg:Red Tide in September spurl:Red Tide in September newsvine:Red Tide in September furl:Red Tide in September Y!:Red Tide in September 黑米共享書籤:Red Tide in September 推推王:Red Tide in September

Page 1 of 2[ 1 ]2»