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原创 ubuntu14 anaconda3 opencv3安装

安装过程中遇到各种问题，这个源找不到那个源找不到，还尝试下载opencv3的源码下来编译安装，但是编译出来的是so库，直接放到python3.6/site-packages下面并不好使(网上有说放进去就可以的)，接着尝试了各种卸载和重装，依旧不行，后在一篇帖子上看到安装有dependency的要求，于是乎用conda info看了下opencv3的dependency，发现有两个依赖库没装，按要求...

2018-07-13 15:04:33 302

转载 4K技术

4K分辨率是发展的趋势即4096×2160的像素分辨率，它是2K投影机和高清电视分辨率的4倍，属于超高清分辨率。在此分辨率下，观众将可以看清画面中的每一个细节，每一个特写。影院如果采用惊人的4096×2160像素，因此无论在影院的哪个位置，观众都可以清楚的看到画面的每一个细节，影片色彩鲜艳、文字清晰锐丽，再配合超真实音效，这种感觉真的是一种难以言传的享受。1080p 能够显示的有效像素为2

2014-10-09 17:05:36 628

原创 git format-patch的使用

1，生成git patchgit format-patch HEAD~1..HEAD

2014-09-26 15:32:57 1591

转载 java中重写equals方法

http://blog.csdn.net/min123456520/article/details/5194030import java.util.Date;class Dog{ private String name; private Date birthday; public String getName() { return

2014-04-06 12:41:16 557

转载 Android学习笔记-Android编译优化，Setting up ccache

Setting up ccacheYou can optionally tell the build to use the ccache compilation tool. Ccache acts as a compiler cache that can be used to speed-up rebuilds. This works very well if you do "make

2014-03-22 17:41:28 858

转载 Android学习笔记-Configuring USB Access

Configuring USB AccessUnder GNU/linux systems (and specifically under Ubuntu systems), regular users can't directly access USB devices by default. The system needs to be configured to allow such

2014-03-22 17:38:49 596

转载 Linux Disk Reserved blocks

Reserved blocksThe -m option is probably the one of most use to non-experts. If thefile system becomes filled and there is no more space to write, itis basically unusable because the operating syste

2014-03-22 15:18:15 1264

原创 ubuntu, add a new disk

Step 1, format the new disk, take the disk /dev/sdb as an example(root is needed)mkfs.ext3 /dev/sdbafter this command, the disk is readable to ubuntuStep 2, mount the disk to a mount pointer

2014-03-22 14:13:26 714

转载 ubuntu root password

+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ubuntu默认root密码安装完Ubuntu后忽然意识到没有设置root密码，不知道密码自然就无法进入根用户下。到网上搜了一下，原来是这麽回事。Ubuntu的默认root密码是随机的，即每次开

2014-03-22 13:43:20 1549

转载 Linux内核基础-container_of

Linux内核基础-container_of/*** container_of - cast a member of a structure out to the containing structure* @ptr: the pointer to the member.* @type: the type of the container struct th

2014-03-22 10:26:22 425