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From Python

python - Scrapy uses xpath to report errors in Chinese

2017-06-302 answers

From JavaScript

javascript - Why is setInterval only executed once?

2017-06-307 answers

From PHP

linux - Help: php high CPU usage

2017-06-302 answers

From MySQL

PHP inserts data into the MySQL database in a loop. How to determine whether each item is inserted successfully?

2017-06-306 answers

From JavaScript

javascript - When registering, the same user registers multiple times, and multiple pieces of the same data appear in the database. The background has been verified, and the front-end js also limits submission once every two seconds, but multiple pieces of data still appear.

2017-06-308 answers

From Android

android-studio - How to use lambda in Android without turning on the jack compiler

2017-06-291 answers

From MongoDB

node.js - How to deploy nodejs application to server?

2017-06-293 answers

From PHP

php - Use a sql to query the latest 6 posts under each section of the forum

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From PHP

PHP array comparison unset problem

2017-06-298 answers

From PHP

javascript - add custom data attribute when php loops for second time

2017-06-292 answers