Python Learning Path 6

Catalog error handling try Document Reading and Writing read file Writing Documents PyMysql Query operation Insert operation update operation Delete operation Following "Python Learning Road Five": error handling   In the ...

Posted by brissy_matty on Wed, 21 Aug 2019 01:01:24 -0700

PostgreSQL 12: Recovery.conf file parameters merged into postgresql.conf

An important change in PostgreSQL 12 is that the parameters in the recovery.conf configuration file are merged into postgresql.conf and recovery.conf is no longer in use. Let's look at the instructions in the manual as follows: Release Notes Move recovery.conf settings into postgresql.conf (Fujii Masao, Simon Riggs, Abhijit Menon-Sen, Sergei K ...

Posted by RealDrift on Tue, 20 Aug 2019 19:46:22 -0700

DVWA-CSRF (Cross-Station Request Forgery)

CSRF: (Cross Site Request Forgery), an attacker constructs a request address of a functional interface in the background of a website, induces users to click on it or uses special methods to load the request address automatically. When the user is lo ...

Posted by FlyingIsFun1217 on Tue, 20 Aug 2019 00:30:39 -0700

Java implements maximum (small) heap and heap sorting, TopN problems

Java implements maximum (small) heap and heap sorting, TopN problems Articles Catalogue Java implements maximum (small) heap and heap sorting, TopN problems Java implementation heap Reactor Construction Insertion of heap Heap deletion Specific ...

Posted by perezf on Mon, 19 Aug 2019 05:00:41 -0700

Use Python to analyze your Internet habits!

(Of course, this article is only for PC browsers) Android users are not unavoidable, but there are too many categories of mobile browsers to study one by one. So this article only uses Chrome and Firefox browsers on the PC side as examples. At t ...

Posted by misc00500 on Mon, 19 Aug 2019 00:13:57 -0700

Delete the database without running away - Explain MySQL data recovery in detail

In our daily work, there will always be some erroneous deletion of database tables and data caused by hand shaking, wrong writing conditions, wrong table names, wrong connection with production database. Then, if the data can not be recovered, what DBA is needed. Related articles MySQL Backup Strategy MySQL Data Recovery 1 Preface The premise ...

Posted by buildernaut1 on Mon, 19 Aug 2019 00:11:41 -0700

django autocorrelation, auth module

I. Self-correlation Write a good blog: https://www.cnblogs.com/Kingfan1993/p/9936541.html 1. One-to-many Association 1. Intra-table self-association refers to that the objects and tables associated with the data in the table are the same fields, so we can directly set the foreign key Association into the fields of our own table by using intra-t ...

Posted by Lodius2000 on Sun, 18 Aug 2019 05:49:05 -0700

Django 2.2 with Oracle 11g to resolve version conflict

The last time we used Django 2.2 and Oracle 11g, there was a version conflict during migrate, and finally Upgrade Oracle to 12c to solve the problem So can we solve this conflict in other ways? Think of a solution and practice it: Using Django 2.2 t ...

Posted by PBD817 on Sat, 17 Aug 2019 05:16:59 -0700

Introduction and introduction to Mybatis (single form CRUD)

1. Introduction to Mybatis Mybatis is an excellent persistence framework, which encapsulates the process of jdbc operating database, so that we only need to pay attention to the SQL itself in the development process, and do not need to spend a lot of energy to deal with the complicated jdbc such as registration driver, connection creation, sta ...

Posted by lrdaramis on Sat, 17 Aug 2019 01:43:57 -0700

SpringBoot 2.0 Base Case (10): Integrate Mybatis framework, integrate Paging Assistant plug-in

I. Mybatis Framework 1. Introduction to mybatis MyBatis is an excellent persistence layer framework that supports customization of SQL, stored procedures, and advanced mappings.MyBatis avoids almost all JDBC code and setting parameters manually and getting result sets.MyBatis can use simple XML or annotations to configure and map native types, ...

Posted by BillyBoB on Fri, 16 Aug 2019 09:38:12 -0700