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MySQL “incorrect string value” error when save unicode string in Django
... automatically.
#! /usr/bin/env python
import MySQLdb
host = "localhost"
passwd = "passwd"
user = "youruser"
dbname = "yourdbname"
db = MySQLdb.connect(host=host, user=user, passwd=passwd, db=dbname)
cursor = db.cursor()
cursor.execute("ALTER DATABASE `%s` CHARACTER SET 'utf8' COLLATE 'utf8_unic...
Rails: FATAL - Peer authentication failed for user (PG::Error)
...t know what your postgres user's password is? Change it like this:
1) Run passwd as a superuser:
$ sudo passwd postgres
2) Enter your accounts password for sudo (nothing to do with postgres):
[sudo] password for starkers: myaccountpassword
3) Create the postgres account's new passwod:
Enter ...
FloatActionBtn 扩展:悬浮操作按钮扩展,可自定义颜色、大小、图标和位置 ...
...、快速集成的悬浮按钮
选择 FloatingActionButton:需要精确定位、多按钮管理、圆角控制或临时隐藏等高级功能
下载链接
扩展文件:
com.kenmor.floatactionbtn.aix
功能概述
扩展特性
...
Python: How would you save a simple settings/config file?
...host:::localhost:::<type 'str'>
x user:::root:::<type 'str'>
x passwd:::my secret password:::<type 'str'>
x db:::write-math:::<type 'str'>
Section: other
x preprocessing_queue:::["preprocessing.scale_and_center",
"preprocessing.dot_reduction",
"preprocessing.connect_lines"]::...
实战Nginx与PHP(FastCGI)的安装、配置与优化 - 更多技术 - 清泛网 - 专注...
...并发访问的时候,会出现内存泄漏甚至自动重启FastCGI的问题。
Nginx是个轻量级的HTTP server,必须借助第三方的FastCGI处理器才可以对PHP进行解析,因此Nginx+spawn-fcgi的组合也可以实现对PHP的解析,这里不过多讲述。
PHP-FPM也是...
Reading specific lines only
...above:
>>> import linecache
>>> linecache.getline('/etc/passwd', 4)
'sys:x:3:3:sys:/dev:/bin/sh\n'
Change the 4 to your desired line number, and you're on. Note that 4 would bring the fifth line as the count is zero-based.
If the file might be very large, and cause problems whe...
如何建立一套适合自己的高胜算交易系统 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...统计,实际上,强势追高是一种不理性的操作手法。在追高的选股时期,可以肯定手中有资金,行情在上涨,这部分资金踏空,那么,如果有上面两种交易系统,就不存在踏空。只存在速度上的不同。
4:控制核心
在交易系统出...
App Inventor 2 视频播放器教程 - VideoPlayer组件与WebView嵌入播放 · App Inventor 2 中文网
...面上显示一个矩形视频区域,并支持视频的播放、暂停、定位跳转等操作。
运行应用时,用户触摸视频区域会出现系统自带的播放控制条,包含播放/暂停、快进、快退按钮。同时,开发者也可以通过积木块代码来控制播放行为...
Bash script - variable content as a command to run
...
line=$((${RANDOM} % $(wc -l < /etc/passwd)))
sed -n "${line}p" /etc/passwd
just with your file instead.
In this example I used the file /etc/password, using the special variable ${RANDOM} (about which I learned here), and the sed expression you had, only di...
Apache .htaccess 禁止访问某目录方法 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...情况下特别有意义。
【.htaccess应用】
1、错误文档的定位
常见的客户端请求错误返回代码:
401 Authorization Required
403 Forbidden
404 Not Found
405 Method Not Allowed
408 Request Timed Out
411 Content Length Required
412 Precondition Failed
413 Request E...
