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Zbar parse the qrcode Linux

Zbar parse the qrcode

Python can use zbar lib parse the qrcode information, There shows how to install the zbar lib and py...
2019-09-01 Linux Comment
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Upgrade the yum source for centos system Linux

Upgrade the yum source for centos system

centos yum source upgrade and common libs and software
2019-08-21 Linux Comment
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Tornado asynchronous web request client example 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
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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
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Python recursive optimization Python

Python recursive optimization

the beautiful style python recursive code, avoids depth exceeded.
2019-08-20 Python Comment
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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
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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
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OrderedDict and json loads keep the origin order

OrderedDict is the sub object of dict, it will remember the origin order of the content. When compar...
2019-10-03 Python Comment
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Mysql partition search must scan the first partition 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
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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
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