3rd

lalalala

Database System – 3rd theory class : Formal Relational Query Languages 20/03/16

Formal Relational Query Languages (形式化查询语言) Query Language : language in which users request information from the database Categories of languages : procedural (过程性) Relational Algebra (关系代数) non-proc... »

simpledet

from models.tridentnet.builder_dzc import TridentFasterRcnn as Detector from models.tridentnet.builder_dzc import TridentMXNetResNetV2 as Backbone from models.tridentnet.builder_dzc import TridentRpnH... »

对pandas中to_dict的用法详解

简介:pandas 中的to_dict 可以对DataFrame类型的数据进行转换可以选择六种的转换类型,分别对应于参数 ‘dict', ‘list', ‘series', ‘split', ‘records', ‘index',下面逐一介绍每种的用法Help on method to_dict in module pandas.core.frame:to_ »