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How can I connect to MySQL in Python 3 on Windows?
...ysql.connect(host='127.0.0.1', unix_socket='/tmp/mysql.sock', user='root', passwd=None, db='mysql')
cur = conn.cursor()
cur.execute("SELECT Host,User FROM user")
for r in cur:
print(r)
cur.close()
conn.close()
share
...
Android代码优化小技巧 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...尽量避免创建不必要的对象，有下面一些例子来说明这个问题：
如果你需要返回一个String对象，并且你知道它最终会需要连接到一个StringBuffer，请修改你的实现方式，避免直接进行连接操作，应该采用创建一个临时对象来做...
IOS 设备忘记root密码怎么找回 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...
搜索iFile
然后打开iFile找到etc/scroll目录
找到’master.passwd’文件
使用Text Viewer,按编辑按钮打开编辑器
找到类似于root:UlGASB5XWDrOc:0:0::0:0:
我们需要编辑的UlGASB5XWDrOc这一段
使用’crypt’函数进行算新密码,这里推荐...
C++STL容器使用经验总结 - C/C++ - 清泛网 - 专注C/C++及内核技术
...更容易，更能清楚地表达你的意图，而且它们表现出了更高的效率。
第6条：当心C＋＋编译器最烦人的分析机制。
把形参加括号是合法的，把整个形参的声明（包括数据类型和形参名字）用括号括起来是非法的。
第7条：...
https connection using CURL from command line
...t file3.pem -text
cat *.pem > certRepo
curl --cacert certRepo -u user:passwd -X GET -H 'Content-Type: application/json' "https//somesecureserver.com/rest/field"
I wrote a blog on how to do this here: http://javamemento.blogspot.no/2015/10/using-curl-with-ssl-cert-chain.html
...
常用Linux命令详解（持续更新） - 更多技术 - 清泛网 - 专注C/C++及内核技术
...到的一些Linux命令进行一下详解。logout,shutdown,reboot,useradd,passwd,ls,ll,cd,mkdir,vi,cp,rm,mv,chmod,chown,find,grep,tail,tar,gzip,fdisk,kill,netstat等。一、注销，关机，重启，新建用户、删除用户
1. 注销系统的命令
logout 、exit
这两个命令都可以用...
Difference between core and processor
...ory controller to talk to the memory, I/O controllers (display, PCIe, USB, etc..). In the past these elements were outside the CPU, in the complementary "chipset", but most modern design have integrated them into the CPU.
In addition the CPU may have an integrated GPU, and pretty much everything el...
How to fix: “UnicodeDecodeError: 'ascii' codec can't decode byte”
...e
E.g.
>>> db = MySQLdb.connect(host="localhost", user='root', passwd='passwd', db='sandbox', use_unicode=True, charset="utf8")
PostgreSQL
Add:
psycopg2.extensions.register_type(psycopg2.extensions.UNICODE)
psycopg2.extensions.register_type(psycopg2.extensions.UNICODEARRAY)
HTTP
W...
What specifically are wall-clock-time, user-cpu-time, and system-cpu-time in UNIX?
...what you think. System calls, which include I/O calls such as read, write, etc. are executed by jumping into kernel code and executing that.
If wall clock time < CPU time, then you're executing a program in parallel. If wall clock time > CPU time, you're waiting for disk, network or other dev...
WSAAsyncSelect模型 - C/C++ - 清泛网 - 专注C/C++及内核技术
...Windows消息的方式接收网络事件通知。许多对性能要求不高的网络应用程序都采用WSAAsyncSelect模型，MFC的...WSAAsyncSelect模型允许应用程序以Windows消息的方式接收网络事件通知。许多对性能要求不高的网络应用程序都采用WSAAsyncSelect...