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go语言:一些环境变量
直接不翻译了The Go compilation environment can be customized by environment variables.None is required by the build, but you may wish to set some to overrid...
分类:编程语言   时间:2015-05-15 01:03:25    阅读次数:133
ssh The authenticity of host 192.168.0.xxx can't be established
用ssh登录一个机器(换过ip地址),提示输入yes后,屏幕不断出现y,只有按ctrl + c结束 错误是:The authenticity of host 192.168.0.xxx can't be established. 以前和同事碰到过这个问题,解决了,没有记录,这次又碰到了不知道怎么处理...
分类:其他好文   时间:2015-05-14 23:30:21    阅读次数:116
leetcode之Multiply Strings
Given two numbers represented as strings, return multiplication of the numbers as a string.Note: The numbers can be arbitrarily large and are non-nega...
分类:其他好文   时间:2015-05-14 21:59:58    阅读次数:104
ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock' (2)--MySQL错误
环境:RHEL5.5 centos的yum源更新1、启动MySQL出现错误:ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock' (2)2、解决方法(摘自:...
分类:数据库   时间:2015-05-14 21:58:19    阅读次数:194
I.MX6Q(TQIMX6Q/TQE9)学习笔记——新版BSP之eMMC移植
前一篇文章已经移植好CAN,本文来移植eMMC。eMMC的移植一般来讲比较简单,因为MMC驱动是由官方维护的,一般来讲,不会有什么问题,对我们来说,只需要正确的配置各个pin脚的复用关系,这种情况也是DTS最擅长的。下面我们开始eMMC移植。 DTS编写 参考sabresd的DTS,我们可以如下编写DTS: &usdhc4 { pinctrl-names = "default"; pi...
分类:其他好文   时间:2015-05-14 20:34:18    阅读次数:368
【Android__WebView】多点触摸实现缩放和拖拽图片
http://www.4byte.cn/question/634906/android-webview-can-t-be-scrolled-after-being-set-to-a-touch-listener.html 在MotionEvent中有两个事件值得注意一下,分别是ACTION_DOWN和ACTION_POINTER_DOWN。 ? ? ...
分类:移动开发   时间:2015-05-14 18:58:23    阅读次数:277
iOS Programming Touch Events and UIResponder
iOS Programming Touch Events and UIResponder 1 Touch Events As a subclass of UIResponder, a UIView can override four methods to handle the four distin...
分类:移动开发   时间:2015-05-14 13:49:47    阅读次数:219
spark streaming优化:spark.default.parallelism调整处理并行度
官方是这么说的:Cluster resources can be under-utilized if the number of parallel tasks used in any stage of the computation is not high enough. For example, ...
分类:其他好文   时间:2015-05-14 11:36:56    阅读次数:359
SAE用flask+MySQL中文'utf8' codec can't decode byte 0xb7解决方法
在Sina App Engine(SAE)上用python flask框架+MySQL搭app服务器时,select返回中文时jsonify函数报如下错误:(为调试放拜我异常时return的traceback.format_exc()) Traceback (most recent call last): File “/data1/www/htdocs/245/jcguo/1/myapp.py”...
分类:数据库   时间:2015-05-14 08:43:09    阅读次数:962
SAE用flask+MySQL中文'utf8' codec can't decode byte 0xb7解决方法
在Sina App Engine(SAE)上用python flask框架+MySQL搭app服务器时,select返回中文时jsonify函数报错误:UnicodeDecodeError: ‘utf8’ codec can’t decode byte 0xb7 in position 4: invalid start byte 的解决方案...
分类:数据库   时间:2015-05-14 08:41:43    阅读次数:365
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