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RSS订阅Why can not mount sdcard in emulator
vold.conf is missed in system.img .rebuild system.img by mkyaffs2image ( ./out/host/linux-x86/bin/) will solve this issue.But why vold.conf is missed during building? Need to be investigate la...
2010-03-02 20:48:32
159
shell split string
Method 1[code="java"]#!/bin/sh# for usb auto suspend , triggered by usb insertstringK=$1i=1seg="1-1"while [ -n "$seg" ]do if [ "$i" -eq "1" ]; then stringU=$seg else st...
2009-12-18 19:04:02
285
原创 modprobe --- no symbol version for struct_module
这个错误很可能是由于 kernel version 不一致导致的
2009-12-18 12:07:12
209
原创 How to: Compile Linux kernel
http://www.cyberciti.biz/tips/compiling-linux-kernel-26.htmlStep # 1 Get Latest Linux kernel codeVisit http://kernel.org/ and download the latest source code. File name would be linux-x.y.z.ta...
2009-12-17 19:37:19
159
原创 USB auto suspend udev sysfs
http://reactivated.net/writing_udev_rules.htmlhttp://www.lesswatts.org/projects/devices-power-management/usb.php
2009-12-11 11:42:39
260
原创 Exit from X to console
/etc/init.d/gdm stopto reback to X/etc/init.d/gdm start
2009-11-27 23:42:59
116
原创 gnome resolution pre user
gnome resolution config files are located in .gconf/desktop/gnome/screen/it is used with higher priority than xorg after gdm login.
2009-11-27 23:41:06
137
原创 Linux touchpad too sensitive
http://ubuntuguide.org/wiki/Ubuntu:Feisty#Disable_the_touchpad_while_typinghttps://help.ubuntu.com/community/SynapticsTouchpad#shmconfig TouchpadDisable the touchpad while typingThe utilit...
2009-11-27 19:35:34
174
原创 check dirty page on linux
1. top ->'f' ->'v'http://www.linuxforums.org/articles/using-top-more-efficiently_89.html.Note: On 2.6.x, this field is always zero without unknown reason.2.you can check the size of dirty ...
2009-11-24 15:44:59
191
原创 undefined reference to `wxColour::IsOk() const'
CXXFLAGS多了一个参数-fvisibility-inlines-hidden的原因，这个参数是以前在望上看的能够加速编译的
2009-11-20 16:51:38
148
[Postgres] copy Table from windows filename
filename The absolute path name of the input or output file. Windows users might need to use an E'' string and double backslashes used as path separators. example: copy bi_k1_q_net fr...
2009-10-10 15:15:18
162
Install postgresql-8.4.1-1 on windows
Please don't select "default" in locale when you are using no-English version windows, or you will the following error > Problem running post-install step. Installation may not complete correctly...
2009-10-03 21:36:15
175
原创 unsigned signed cast
unsigned 和 signed 一起运算时， signed 会 cast 为 unsigned -1 > 0U (unsigned 0)
2009-07-27 18:03:20
247
Linux 上运行Windows的程序－－－Wine
FAQ:1. How to installDebian/Ubuntu$ apt-get install wine Or Compile source of wine directly2. How to use$ winecfgwill create ~/.wine in you home directory3. 乱码问题copy simsu...
2009-04-26 21:37:10
143
全局静态变量 global static variable
全局静态变量与 全局变量的区别在于全局静态变量只能在被本源文件中使用。[header.h]static int i = 0;void setStatic();[s1.c]#include #include "header.h"int main(int argc, char *argv[]){setStatic();printf("%d %...
2009-04-25 20:49:35
486
return value of GTK callback function
False:如果你想在你的Callback 之后继续把signal 传递给system继续处理True：如果你想到此为止（不再把signal 传递给system继续处理）
2009-04-25 20:47:47
108
原创 函数的声明 (Too Much Default Visibility)
函数的使用范围应该得到最大程度的限制，而不是default 的 globle。如果不想 global ,就应该在前面加上static （only 在本源文件中使用）#这个以前没有注意到#参考来源 deep c secrets# Too Much Default Visibility...
2009-04-25 20:47:15
101
ERROR: Unable to identify a valid CodeWarrior for
ActivePerl-5.6.1.638S60-SDK-200634-3.1Carbide.c++_v1.3Building an application(HelloWord) for the emulator from the CLI>bldmake bldfiles>abld build winscw udebERROR: Unable to i...
2009-04-25 20:46:10
134
Error: No rule to make target XXX
在Src 目录下new 几个新的目录和文件，Make 就出现上面的Error 了。〔问题原因〕应该是在Make的过程中没有找到 指定的file。〔解决方法〕可以在Makefile.am 或者 Makefile 中 加入 VPATH（搜索path）例如：VPATH = base utils engineer...
2009-04-25 20:44:47
208
原创 Linux 2.6.18 下安装 usb 无线网卡（zd1211）
［设备采购］ SAGEM XG-760A chipset :zd1211 价格：30RMB 新旧程度：旧 使用状况：良好 http://auction1.taobao.com/auction/item_detail-0db2-01f4ed18b77e327bf152606009114236.jhtml?pm1=1 ［安装Driver］参考 http://blog.linym.net...
2009-04-25 20:43:33
294
原创 usb mass storage
refer to http://www.linux-usb.org/gadget/file_storage.html
2009-04-25 20:39:14
115
原创 How to Take a Screenshot in Linux With the Termina
please refer to:http://tips.webdesign10.com/how-to-take-a-screenshot-on-ubuntu-linuximport MyScreenshot.pngorsleep 10; import -window root MyScreenshot2.png
2009-04-25 20:35:58
127
原创 How to make root file system image file
Refer to : http://topic.youkuaiyun.com/t/20051103/17/4369767.html# http://en.wikipedia.org/wiki/Loop_device dd if=/dev/zero of=/tmp/tmp_loop bs=1k count=512 (容量根据需要自定义) losetup /dev/loop0 /tmp/tmp_l...
2009-04-25 20:35:19
126
about malloc
做了一个调用malloc 分配memory 的小程序.执行之后，top/ ps -A -o pcpu,pmem,cmd发现memory 没有分配。在malloc 后面添加 memset ，memory 才被分配
2009-04-25 20:33:17
112
原创 initrd
http://hi.baidu.com/liyangzhao/blog/item/24628f36a93851320b55a9f5.htmlhttp://www.ibm.com/developerworks/cn/linux/l-initrd.htmlOpen# mkdir temp ; cd temp# cp /boot/initrd-2.6.14.2.i...
2009-04-25 20:32:55
136
how to make zaurus(C750) recognize the 2G SD Card
Install 〔Zentek SD-Link11b Zaurus Driver 〕 之后reboot就可以识别了 2G SD Card 了download URL:http://www.zentek.co.jp/sd/data/link11b/sd-link11b_jp_jpn_arm.ipk有的时候，日语还是能派上很大用场的参考如下文章http://window...
2009-04-25 20:30:46
134
config sound card in Dell laptop (Latitude LS)
# install alsa utiltyapt-get install alsa-utils# view dmesg and lspci to comfirm that# sound card has been found by systemalsamixer# but all of item is off# config sound card b...
2009-04-25 20:30:06
123
play audio(mp3)/vedio online (mozilla)
#install mozilla plugins --- mplayerapt-get install mozilla-mplayer
2009-04-25 20:29:26
162
when string passing as parameter(const)
It means when you hold the point that point "XXXX", you * Can not modify the content * Can not free it
2009-04-25 20:28:55
133
多维pointer 如何free
free 的方法与之前如何 alloc的相关。 * 如果之前是 一次alloc（例如:指向一个二维数组 char ** p = new char arr[3][3]）, 那么申请的一整块连续的heap space, 那么应该也只有一个manage structor, 所以只需要free 一次（即set manage structor 中的availiable flag = 1）...
2009-04-25 20:26:58
127
关于 #include 的位置
是放在*.h or *.c 里面？ * 如果是*.h 的内容要用到#include，就需要放到*.h里面 * 否则，放到*.c
2009-04-25 20:26:21
248
c++ 编译问题
一个简单的vector 的c++ 程序， 编译错误#include int main(){std::vector vet;}错误原因：使用的gcc 命令（应该使用g++命令）gcc ：“GCC” is a common shorthand term for the GNU Compiler Collection. This is both...
2009-04-25 20:25:29
140
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