我正尝试为react中的特定组件添加CSS文件,但该CSS文件适用于所有组件如何为特定组件添加style.css?
import React, { Component } from "react";
import { Link } from "gatsby";
import Layout from "../components/layout"
import Footer from "../components/Globals/Footer"
import "./crm2.css"
class Crm exten
我有一张数据,看起来是这样的:
A B Start_Date
1 4 2003-05-22
2 6 2003-05-31
....
57 406 2018-09-08
我想从Start_Date那里得到几年后的价值。例如,我想知道B列的值,它的日期将小于或等于从Start_Date到相应值的10年。所以这个看起来是这样的:
A B Start_Date D
1 4 2003-05-22 <value of B on or before (last value before) 2013-05-22>
2 6 2003-05-31 <value
我有一张桌子 DEST_COUNTRY_NAME ORIGIN_COUNTRY_NAME count
United States Romania 15
United States Croatia 1
United States Ireland 344 我把上面的代码转换成了DataFrame val flightData2015 = spark
.read
.option("inferSchema", "true")//infers the input schema automatically from data
.option("he
我有一个DataGridView、一个BindingList和BindingSource来填充它。我用来填充DataGridView的对象如下:
public class MyBaseClass
{
public int SomeProperty {get; set;}
public MyBaseClass(int sp) {
SomeProperty = sp;
}
}
public class MyDerivedClass : MyBaseClass
{
public int AnotherProperty {get; set;