Related Issues (20)
- Django批量更新对象时,利用bulk_update减少耗时 HOT 1
- 当 MySQL 版本较低时(<5.7),谨慎使用 DateTimeField 进行排序
- 在数据量较大的场景下,需要在结构的便利性和性能中做平衡 HOT 1
- Django update_or_create时将更新字段放置在defaults里
- 用values或value_list方法提取想要的数据 HOT 1
- 利用Django的缓存减少数据库的查询
- 监控团队Golang实践 HOT 3
- 不要使用可变类型作为默认参数 HOT 3
- 对条件判断,在不需要提前返回的情况下,尽量推荐使用正判断, 更容易让人理解
- 列表推导或内联函数使代码更清晰简洁
- 当在非测试代码中使用到 assert 时,请妥善添加断言信息
- redis的List数据结构高频插入数据最佳实践
- 在协程中使用 `asyncio.sleep()` 代替 `time.sleep()`
- 使用 `timedelta.total_seconds()` 代替 `timedelta.seconds` 获取相差总秒数
- 善用 lua 脚本保证多条 Redis 操作指令的原子性
- Django 使用 get_or_create 方法时需要保证查询字段唯一性约束 HOT 2
- 在数据量较大的场景下,避免使用 Model Serializer
- Python对于时间的处理,建议使用Arrow,可以节省大部分的思考时间
- 在有分支判断时使用 yield 要记得及时 return
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