Fedora 笔记

An article about Named function expressions

Tue, 22 Feb 2011 18:55:28 +0800

In English: http://kangax.github.com/nfe/
In Chinese: http://www.cn-cuckoo.com/main/wp-content/uploads/2009/12/named-function-expressions-demystified.html#introduction

main.c:99: error: ‘LangParser_decl_return’ undeclared (first use in this function)

Tue, 14 Dec 2010 13:48:09 +0800

Page in ANTLR3C API : http://antlr.org/api/C/index.html

Something must be changed to fit your project:

1. All variables containing /.*Lang.*/, change "Lang" to "JavaScript" or your language which your grammar described. (I wrote a JavaScript.g file to describe JavaScript Language Grammar.)

2. Change "LangParser_decl_return" to "JavaScriptParser_program_return", where "JavaScript" is what I said ablow, and where "program" is the first token you define below the "option" token, in Grammar file (JavaScript.g).
ps: You may want to change all "decl" to "program", because "decl" only in file "ANTLR_Examples.zip/C/treeparser/Lang.g"

Bash: checking if a variable is a number

Thu, 14 Oct 2010 19:38:05 +0800

[code]

# v=1

# [ $v -eq $v ]

# echo $?

# v=a

# [ $v -eq $v ]

# echo $?

[/code]

Note: "-eq" compares number, but not string.

Ref:http://snippets.dzone.com/posts/show/3143

Your Linux distribution isn't supported yet. Currently only Gnome and KDE based distributions are supported.

Fri, 01 Oct 2010 23:09:09 +0800

Using Chromium to 翻墙(Scale Great Firewall) with Switchy is realy realy realy a bad expirencing.

Switch to Autoproxy2pac: https://autoproxy2pac.appspot.com/

Only give a argument "--proxy-pac-url=http://autoproxy2pac.appspot.com/pac/ssh-d" when running Chromium.

Ref: https://autoproxy2pac.appspot.com/

ossim agent loses file handle on log files after rotation

Thu, 30 Sep 2010 10:04:54 +0800

bug

Windows 7下IE8即使导入了https证书仍然显示“证书错误”

Thu, 16 Sep 2010 15:45:41 +0800

现象：
Windows XP系统下，使用IE6/IE7/IE8，登录Web管理系统的时候提示证书错误，然后导入证书（自动选择证书存储区），重启IE（或者重启OS），再次登录Web管理系统，则没有提示证书错误。
Windows 7系统下，使用IE8，登录Web管理系统的时候提示证书不被信任，然后导入证书，重启IE（自动选择证书存储区），再次登录Web管理系统，地址栏里面仍然显示"证书错误"。
在证书管理器中比较这两个OS下的https证书存储区发现是不同的。

解决：
Windows 7系统下，使用IE8导入证书的时候请选择存储区为"受信任的根证书办法机构"，否则自动选择的存储区。

IE gives warning when redirect from HTTPS to HTTP

Mon, 13 Sep 2010 10:17:40 +0800

If you use header() method provided by PHP, to redirect from HTTPS to HTTP,
IE will give out a warning, but if you use the code below above othe PHP code, no warning will show.
// =========================================================
<?php
if($_SERVER['HTTPS'] == "on") {
    $redirect = "http://" . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'];
    echo "<meta http-equiv=\"refresh\" content=\"0; url=$redirect\">";
    exit();
}
?>
// ==========================================================
The tag "<meta>" will refresh the web page and jump/redirect to another web page.

--
from my gmail

Redirect from HTTP to HTTPS in Apache with ".htaccess"

Mon, 13 Sep 2010 09:58:14 +0800

1. Redirect all files in a directory
Add these contents into the ".htaccess" file under your directory.
##################
RewriteEngine On
RewriteCond %{HTTPS} !on
RewriteRule (.*) https://%{HTTP_HOST}%{REQUEST_URI}
##################
Then:
"http://domain/dir/a.php" will redirect into "https://domain/dir/a.php",
"http://domain/dir/b.php" will redirect into "https://domain/dir/b.php",
"http://domain/dir/c.php" will redirect into "https://domain/dir/c.php".

2. Redirect a single file in a directory
Add these contents into the ".htaccess" file under the directory containing your file.
##################
<FilesMatch "^login\.php$">
RewriteEngine On
RewriteCond %{HTTPS} !on
RewriteRule (.*) https://%{HTTP_HOST}%{REQUEST_URI}
</FilesMatch>
##################
Then:
"http://domain/dir/login.php" will redirect into "https://domain/dir/login.php"
"http://domain/dir/other_files.php" will not redirect.

--
from my gmail

[test] Write blog with html email

Fri, 10 Sep 2010 00:56:30 +0800

This is a HTML Email.
[IMG src="defined"][/IMG]
[IMG src="gmail_smile"][/IMG]

Indent off

Indent on

Indent off
abc normal

abc center

abc normal

abc right

abc normal
abc link

Change from opensvn.csie.org to code.google.com

Fri, 23 Apr 2010 14:31:51 +0800

1. Create a new project in google code.
2. Reset the Subversion repository to revision 0.
Find the "Reset Subversion Repository" link at the bottom of the "Source" tab.
3. Sync between two svn host. Init first, then sync.

$ svnsync init https://xiaomao101.googlecode.com/svn/ https://opensvn.csie.org/xiaomao101/ --username ant101tna
Authentication realm:  Google Code Subversion Repository
Password for 'ant101tna':
Copied properties for revision 0.
$ svnsync sync https://xiaomao101.googlecode.com/svn/ --username ant101tna
Transmitting file data .
Committed revision 1.
Copied properties for revision 1.
Committed revision 2.
Copied properties for revision 2.
Transmitting file data ...

Ref:
(1) Importing Subversion Repositories to Google Code
http://therightstuff.de/CommentView,guid,b984a8e7-e94d-4eed-a705-5dc479f959e8.aspx
(2) 將 Subversion Repository 搬進 Google Code 裡面
http://fourdollars.blogspot.com/2009/08/subversion-repository-google-code.html