Linux Accelerating DNS parsing with pdnsd Pdnsd is a good DNS parsing software in linux system. Compared with bind and dnsmasq, pdnsd has one ... 2019-09-01 Linux Comment Read More
Python Install pycurl problems install pycurl with problems curl-config and ssl libs In centos 7 and python 3.6 environment, instal... 2019-08-21 Python Comment Read More
Mysql Mysql partition search must scan the first partition Mysql partition search optimization basically you should create a first partition that contains valu... 2019-08-21 Mysql Comment Read More
Python html escape and unescape Python escape or unescape html special words methods. 1、The cgi module that comes with Python has an... 2019-09-27 Python Comment Read More
The CentOS common must install libs. The new CentOS initial must install system libraries, which can make the system environment run smoo... 2019-09-11 Linux Comment Read More
Python Tornado asynchronous web request client example Tornado is a python web Server, which is better for solving long connection request or IO asynchrono... 2019-09-01 Python Comment Read More
CANNOT OPEN SHARED OBJECT FILE: NO SUCH FILE OR DIRECTORY This maybe you delete the shared lib file soft link. So must execute a system command to rebuild the... 2019-09-10 Linux Comment Read More
mongodb update command($inc/$set/$unset/$push/$pop/upsert/save) In addition to replacement, only partial updates are needed for one or more documents. Atomic update... 2019-09-11 Mongodb Comment Read More
Mongodb MongoDB – Too Many open files Mongodb always meat the error too many open files, then the deam process crashed. In Linux system, t... 2019-09-10 Mongodb Comment Read More
MYSQL 8.0 ERROR:ERROR 2059: AUTHENTICATION PLUGIN ‘CACHING_SHA2_PASSWORD’ CANNOT BE LOADED Error Message: error 2059: Authentication plugin ‘caching_sha2_password’ cannot be loaded: /usr/lib6... 2019-09-11 Mysql Comment Read More