Sunday, March 30, 2008

用Python删除Eclipse的旧插件

Eclipse升级插件以后似乎没有办法删除版本插件

于是个python脚本清除插件

import os
import glob

def removeOldFiles(dir):
  os.chdir(dir)
  files = glob.glob('*')
  files.sort()
  prevfile = files[0]
  for filename in files[1:]:
    if (filename.find(prevfile.partition('_')[0]) == 0):
      os.system('rm -rf ' + prevfile)
    prevfile = filename

# main
removeOldFiles('/usr/lib/eclipse-3.3/plugins')
removeOldFiles('/usr/lib/eclipse-3.3/features')


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Friday, March 28, 2008

Java程序和X程序无法调用scim输入的解决办法

最近发现Java程序无法输入中文按ctrl+space出scim

然后发型纯X程序像xterm一样症状而gtkqt程序没问题

上网了解到java程序和x程序一样用xim引擎进行输入而qt/gtk用scim因此觉得配置文件写错

检查下/etc/X11/xinit/xinitrc.d/xinputrc文件果然把XMODIFIERS小写@im=scim小写敏感现在正确内容如下

XMODIFIERS=@im=SCIM
XIM="scim"
XIM_PROGRAM="scim"
XIM_ARGS="-d"
GTK_IM_MODULE="scim"
QT_IM_MODULE="scim"

export XIM XIM_PROGRAM XMODIFIERS GTK_IM_MODULE QT_IM_MODULE

# start xim server
$XIM_PROGRAM $XIM_ARGS &

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Tuesday, March 25, 2008

Programmer's Fonts

Programmers have very particular font needs. A font for programming must be monospaced, extremely readable, and must sharply distinguish between similar characters, such as capital O and zero and the number 1, capital I, and lowercase l. In addition, good programming fonts allow you to view more lines of code on screen at once.

You can find many programmer's fonts at this website:
http://www.lowing.org/fonts/

view the sample of the fonts

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Thursday, March 20, 2008

HOWTO Highlight C++/Java/TeX source code syntax in LaTeX

There is a greate package which supports syntax highlighting for a huge amount of programming languages (Fortran, C, C++, csh, HTML, Java, Matlab, Mathematica, Pascal, Perl, SQL, XML, Delphi, PHP, VBScript, SAS and even Latex itself - and many more). The usage is simple: 
Load the package: \usepackage{listings} 
Set the language: \lstset{language=TeX} 
Open a lstlisting environment: \begin{lstlisting} 
Include all your programming code 
Close the lstlisting environment: \end{lstlisting} 

If this does not seem to work for your language, even if the language is listed above, try upgrading to the lastest MiKTeX version. The listings package is being updated continuously. 

Here's a more advanced example on the source code highlight: 
 \usepackage{color}
 \usepackage{listings}
 \definecolor{Brown}{cmyk}{0,0.81,1,0.60}
 \definecolor{OliveGreen}{cmyk}{0.64,0,0.95,0.40}
 \definecolor{CadetBlue}{cmyk}{0.62,0.57,0.23,0}
 \begin{document}
 
 \lstset{language=R,frame=ltrb,framesep=5pt,basicstyle=\normalsize,
  keywordstyle=\ttfamily\color{OliveGreen},
 identifierstyle=\ttfamily\color{CadetBlue}\bfseries, 
 commentstyle=\color{Brown},
 stringstyle=\ttfamily,
 showstringspaces=ture}

\begin{lstlisting}
...
\end{lstlisting}

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HOWTO Editing Gnome/KDE Menus

Introducion

You know the menu that's shown if you start the kde-menu, gnome-menu, xfce-menu or something else. There's no real name for this kind of menu (it's also often called "root-menu"), but the menu is saved in a Freedesktop-Standard. 

Where are the files saved?

The menus are made out of a "Main file" (.menu file). The file is written in XML, and it contains a kind of links to the Applications (.desktop files). 

The Main file detailing system-wide default menu structure might be located in one of the followings directorys: 
/etc/xdg/menus/ 
User-specific menu edits: ~/.config/menus/ 
If you have not found your file yet, search for it: find / -iname *.menu 

System-wide Menu entries (.desktop files) are stored in many places, for example: 
/usr/share/applications/ 
/usr/share/applink/
Gnome applications:
/usr/share/gnome/apps/
KDE applications: 
/usr/kde/3.5/share/applications/
User-specific applications: 
~/.local/share/applications/

Or search for the files: find / -iname *.desktop

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Monday, March 17, 2008

HowTo: Mount Bin/Cue files in Linux

* Method 1: Use CDEmu.
cdemu 0 pro.cue
mount -t iso9660 /dev/cdemu/0 /mnt/temp

* Method 2: Convert to ISO.
Convert BIN/CUE to ISO:
bchunk -v acrobat6pro.bin pro.cue pro

* Just mount the ISO by executing as root.
mount -o loop,ro -t iso9660 .iso
mount -o loop pro01.iso /mnt/temp

* Method 3: Use AcetoneISO2.

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Saturday, March 15, 2008

【转】JDK6中文乱码完美解决之雅黑版

JDK6在LINUX环境下不支持中文,以下是解决办法。

实验环境:Ubuntu7.04,JDK6
路径说明:1、字体文件路径/usr/share/fonts/yahei/msyh.ttf
2、JAVA_HOME=/usr/lib/jvm/jdk
(请根据你的实际路径修改变命令内容)

解决AWT外的乱码:
1、cd /usr/lib/jvm/jdk/jre/lib/fonts
(进入jre的fonts文件夹)
2、sudo mkdir fallback
(创建文件夹fallback,文件名必须是"fallback",这是设置文件中指定的)
3、cd fallback
(进入fallback文件夹)
4、sudo ln -s /usr/share/fonts/yahei/msyh.ttf
(建立msyh.ttf字体文件的软连接)
5、sudo mkfontscale
(建立fonts.scale文件)
6、sudo mkfontdir
(在fonts.scale的基础上建立fonts.dir文件)

如果使用中不涉及AWT中文显示,问题已解决,针对AWT的乱码问题,必须实施以下步骤:

1、cd /usr/lib/jvm/jdk/jre/lib/fonts
(进入jre的fonts文件夹)
2、sudo cat ./fallback/fonts.dir >> fonts.dir
(把/fallback/fonts.dir的内容添加到fonts.dir文件的结尾,可以手动复制,目的是把雅黑字体的相关内容添加进jre的fonts.dir里)
3、cd ..
(返回上一级目录,即/usr/lib/jvm/jdk/lib)
4、sudo mkdir fontconfigs
(建立fontconfigs文件夹,fontconfigs可以随便命名)
5、sudo mv fontconfig.* ./fontconfigs
(把lib文件夹内的fontconfig开头的文件剪切到fontconfigs文件夹下,因为这些设置文件是应用于不同系统的,按一定顺序查找,如果不把它们移走,不能保证执行我们将要建立的文件fontconfig.properties)
6、sudo gedit fontconfig.properties
(创建并打开文件fontconfig.properties,文件名必须是默认查找顺序列表中的一个,fontconfig.properties就是其中之一)
7、复制以下内容到fontconfig.properties,并保存:


# @(#)linux.fontconfig.Ubuntu.7.04.properties 1.2 07/10/02
#
# Copyright 2007 ganjinghong, Inc. All rights reserved.
#

# Version

version=1

# Component Font Mappings
serif.plain.chinese-cn=-microsoft-microsoft yahei-medium-r-normal--*-%d-*-*-p-*-gb2312.1980-0
serif.bold.chinese-cn=-microsoft-microsoft yahei-medium-r-normal--*-%d-*-*-p-*-gb2312.1980-0
serif.italic.chinese-cn=-microsoft-microsoft yahei-medium-r-normal--*-%d-*-*-p-*-gb2312.1980-0
serif.bolditalic.chinese-cn=-microsoft-microsoft yahei-medium-r-normal--*-%d-*-*-p-*-gb2312.1980-0
sansserif.plain.chinese-cn=-microsoft-microsoft yahei-medium-r-normal--*-%d-*-*-p-*-gb2312.1980-0
sansserif.bold.chinese-cn=-microsoft-microsoft yahei-medium-r-normal--*-%d-*-*-p-*-gb2312.1980-0
sansserif.italic.chinese-cn=-microsoft-microsoft yahei-medium-r-normal--*-%d-*-*-p-*-gb2312.1980-0
sansserif.bolditalic.chinese-cn=-microsoft-microsoft yahei-medium-r-normal--*-%d-*-*-p-*-gb2312.1980-0
monospaced.plain.chinese-cn=-microsoft-microsoft yahei-medium-r-normal--*-%d-*-*-p-*-gb2312.1980-0
monospaced.bold.chinese-cn=-microsoft-microsoft yahei-medium-r-normal--*-%d-*-*-p-*-gb2312.1980-0
monospaced.italic.chinese-cn=-microsoft-microsoft yahei-medium-r-normal--*-%d-*-*-p-*-gb2312.1980-0
monospaced.bolditalic.chinese-cn=-microsoft-microsoft yahei-medium-r-normal--*-%d-*-*-p-*-gb2312.1980-0
dialog.plain.chinese-cn=-microsoft-microsoft yahei-medium-r-normal--*-%d-*-*-p-*-gb2312.1980-0
dialog.bold.chinese-cn=-microsoft-microsoft yahei-medium-r-normal--*-%d-*-*-p-*-gb2312.1980-0
dialog.italic.chinese-cn=-microsoft-microsoft yahei-medium-r-normal--*-%d-*-*-p-*-gb2312.1980-0
dialog.bolditalic.chinese-cn=-microsoft-microsoft yahei-medium-r-normal--*-%d-*-*-p-*-gb2312.1980-0
dialoginput.plain.chinese-cn=-microsoft-microsoft yahei-medium-r-normal--*-%d-*-*-p-*-gb2312.1980-0
dialoginput.bold.chinese-cn=-microsoft-microsoft yahei-medium-r-normal--*-%d-*-*-p-*-gb2312.1980-0
dialoginput.italic.chinese-cn=-microsoft-microsoft yahei-medium-r-normal--*-%d-*-*-p-*-gb2312.1980-0
dialoginput.bolditalic.chinese-cn=-microsoft-microsoft yahei-medium-r-normal--*-%d-*-*-p-*-gb2312.1980-0
dialoginput.bolditalic.chinese-cn=-microsoft-microsoft yahei-medium-r-normal--*-%d-*-*-p-*-gb2312.1980-0

serif.plain.latin-1=-b&h-lucidabright-medium-r-normal--*-%d-*-*-p-*-iso8859-1
serif.bold.latin-1=-b&h-lucidabright-demibold-r-normal--*-%d-*-*-p-*-iso8859-1
serif.italic.latin-1=-b&h-lucidabright-medium-i-normal--*-%d-*-*-p-*-iso8859-1
serif.bolditalic.latin-1=-b&h-lucidabright-demibold-i-normal--*-%d-*-*-p-*-iso8859-1
sansserif.plain.latin-1=-b&h-lucidasans-medium-r-normal-sans-*-%d-*-*-p-*-iso8859-1
sansserif.bold.latin-1=-b&h-lucidasans-bold-r-normal-sans-*-%d-*-*-p-*-iso8859-1
sansserif.italic.latin-1=-b&h-lucidasans-medium-i-normal-sans-*-%d-*-*-p-*-iso8859-1
sansserif.bolditalic.latin-1=-b&h-lucidasans-bold-i-normal-sans-*-%d-*-*-p-*-iso8859-1
monospaced.plain.latin-1=-b&h-lucidatypewriter-medium-r-normal-sans-*-%d-*-*-m-*-iso8859-1
monospaced.bold.latin-1=-b&h-lucidatypewriter-bold-r-normal-sans-*-%d-*-*-m-*-iso8859-1
monospaced.italic.latin-1=-b&h-lucidatypewriter-medium-i-normal-sans-*-%d-*-*-m-*-iso8859-1
monospaced.bolditalic.latin-1=-b&h-lucidatypewriter-bold-i-normal-sans-*-%d-*-*-m-*-iso8859-1
dialog.plain.latin-1=-b&h-lucidasans-medium-r-normal-sans-*-%d-*-*-p-*-iso8859-1
dialog.bold.latin-1=-b&h-lucidasans-bold-r-normal-sans-*-%d-*-*-p-*-iso8859-1
dialog.italic.latin-1=-b&h-lucidasans-medium-i-normal-sans-*-%d-*-*-p-*-iso8859-1
dialog.bolditalic.latin-1=-b&h-lucidasans-bold-i-normal-sans-*-%d-*-*-p-*-iso8859-1
dialoginput.plain.latin-1=-b&h-lucidatypewriter-medium-r-normal-sans-*-%d-*-*-m-*-iso8859-1
dialoginput.bold.latin-1=-b&h-lucidatypewriter-bold-r-normal-sans-*-%d-*-*-m-*-iso8859-1
dialoginput.italic.latin-1=-b&h-lucidatypewriter-medium-i-normal-sans-*-%d-*-*-m-*-iso8859-1
dialoginput.bolditalic.latin-1=-b&h-lucidatypewriter-bold-i-normal-sans-*-%d-*-*-m-*-iso8859-1


# Search Sequences

sequence.allfonts=latin-1,chinese-cn

# Exclusion Ranges

# Font File Names

8、无需重启,问题已解决。

其他字体设置方法:
把fontconfig.properties文件中的microsoft-microsoft yahei替换为你所用字体的名称。
TIPS:
1、名称获取方法:可以在字体文件同级目录下执行:sudo mkfontscale,然后打开生成的fonts.scale,里面就有相关的名称。
2、必须把你所用中文字体的fonts.scale的相关内容添加到/lib/fonts/fonts.dir

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