大话文言文
既然语言以简洁为美,“丝绸之路”为什么不叫“丝绸路”甚至“丝路”,“一带一路”为什么不叫“带路”?我想如果放到古代肯定不会这么起名字吧。 语言之所以能变得简洁,很大程度上是依赖于文言文的,中国古代为什么就会使用文言文呢? 古代人们交谈中当然还是以白话文为主,就如你平常解释一些难以名状的东西,势必手足并用,什...[embedded]Port mqtt client to arm platform
1.Build openssl. Download openssl-1.0.2.tar.gz tar openssl-1.0.2.tar.gz cd openssl-1.0.2 vi Makefile, let: CC = arm-linux-gcc AR = arm-linux-ar RANLIB = arm-linux-ranlib INSTALLTOP = /home/nicholas/workspace/project/mosquitto/run/for_arm/openssl_install OPE...标签: embedded
[C#]Connect to sql server
using System; using System.Collections.Generic; using System.Text; using System.Data; using System.Data.SqlClient; namespace ConsoleApplication1 { class Program { static void test() { SqlConnection con = new SqlConnection(); con.ConnectionString =...标签: C#
[embedded]audio: /dev/dsp: No such file or directory
madplay移植成功了之后可以播放第一支曲子了,于是 madplay /home/music/nic.mp3 可是,竟然出现: audio: /dev/dsp: No such file or directory 如果出现上述错误,想必是驱动的问题, 对于Embedded的驱动看了下配置: <*>Device Drivers---> <*>sound card support ---> &...标签: embedded
[embedded]Port madplay to embedded system
1.Prepare tar packages: libid3tag-0.15.1b.tar.gz libmad-0.15.1b.tar.gz madplay-0.15.2b.tar.gz zlib-1.2.3.tar.bz2 2.Install zlib cd zlib-1.2.3 ./configure -shared --prefix=/usr/local/madplay/zlib-1.2.3 vi Makefile CC=arm-Linux-gcc LDSHARED=arm-linux-gcc -shared -W1,-soname,libz.so.1 CPP=...标签: embedded
[embedded]How to install NFS on ubuntu
1.Install. sudo apt-get install nfs-kernel-server 2.Config. vim /etc/exports Add a line to the end of file. /home/nicholas/.../busybox/busybox-1.13.3/_install *(rw,sync,no_root_squash,no_subtree_check) 3.Restart. /etc/init.d/nfs-kernel-server restart标签: embedded
[embedded]How to build phonon for arm
1.Go to library directory of arm qt first. cd qt-everywhere-opensource-src-4.8.6-arm/src/phonon 2.Here you can find that the true code is not in the directory by phonon.pro 3.But you can build as well. make make install 4.Head and library files will be insta...标签: embedded
[embedded]The first program about gstreamer like "Hello world"
1.Install gstreamer librarys. But in my system its version is 0.10. gstreamer1-devel gstreamer1-plugins-base-tools gstreamer1-devel-docs gstreamer1-plugins-base-devel gstreamer1-plugins-base-devel-docs gstreamer1-plugins-good gstreamer1-plugins-good-extras gstreamer1-plugins-ugly gstreamer1-plu...标签: embedded
[embedded]Unable to locate package
If you apt-get install some package but return that error "Unable to locate package ***", That because of your system not support the package you choosed. Search the right package first by typing: apt-cache search *** Or typing: apt-cache serach ***|grep ****** ...标签: embedded
[embedded]Port an application by qtcreate to mini2440
1. Copy arm-linux-gcc library to root file system. #cp /opt/crosstool/gcc-4.4.3/arm-none-linux-gnueabi/lib/* busybox/_install/lib -a The "-a" options let soft link to new directory but not truely file. 2.Copy qt-arm library to root file system. #cp /usr...标签: embedded
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