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sign up in Wed, 04 Mar 2020

list1=[[2,2,3],[2,3,2],[3,2,2],[7]] list2=[] list3=[] for item in list1: item.sort() arr=[] for item2 in item: arr.appen...

The left side floats to the left, the right side floats to the right, and the parent element clears the float to avoid c...

Ecma262 never mentions that any objects or scopes need to be destroyed. The general implementation is to destroy an obje...

1. Set hosts file: 127.0.0.1 easytest.com2. Reconfiguring nginx...

This is an error reported by the Firefox browser. The official explanation is as follows (see the website for details) h...

On the master, rerevert again, and merge. master --- A ---- M --- R --- / f1 --- B ---/---- FIX M is your Mercer's c...

MySQL has binlog function. The trigger condition of interface 2 can be changed to monitor binlog. If MySQL changes, exec...

What I want to ask is what are the first and second parameters after a...

Save at the same time? You mean when MySQL transaction is rolled back, redis will not save data, right ? But you have to...

Master, have you solved this problem? Can you share it? thank you...