Python Python recursive optimization the beautiful style python recursive code, avoids depth exceeded. 2019-08-20 Python 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
Mysql delete the duplicate records, leave only one record Here I will give a good SQL statement, it can delete the duplicate records and leave the min id reco... 2019-09-19 Mysql Comment Read More
Mysql master slave sync error: the slave’s relay log is corrupted If the disk space is not enough, the mysql will not be login or the slave can't to write any data. I... 2019-09-18 Mysql Comment Read More
pip3 +python3.7 Error: There was a problem confirming the ssl certificate Retrying (Retry(total=4, connect=None, read=None, redirect=None, status=None)) after connection brok... 2019-09-13 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
MYSQL date function: TO_DAYS() and FROM_DAYS() 1、to_days(date), change the date to a integer number days. mysql> SELECT TO_DAYS(950501); -> 728779 ... 2019-09-11 Mysql 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
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
Install Pycurl deal some possible problems In Centos 7 system, Python 3.6 environment, use pip3 install the pycurl modal, may have two problems... 2019-09-10 Linux Comment Read More