This is a small example to illustrate my data:
> df <- data.frame(subgroup =rep(paste("s",1:3, sep=""), times=3), feature=c(rep("a",6), rep("b",3)) , var=rep(1:3, each=3), data=c(rnorm(3,1
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Entity-Framework – EF Core 2.0 – Cyclic Dependence, both ends need FK
I have a fairly simple data model with two entities:
public class User
{
public int Id {get; set; }
public string Name {get; set; }
public int CurrentLocationId {get; set; }
public List<
ASP.NET-CORE – Use DOTNET PACK to include all dependencies
Is there a way to force dotnet pack to include all referenced assemblies (all dependencies in project.json)?
I believe this is related:
> https://github.com/dotnet/cli/issues/1290
> htt
Templates – CheckBoxList multiple options: How to model binding and get all options?
This code:
Html.CheckBoxList(ViewData.TemplateInfo.HtmlFieldPrefix, myList) Generate this markup:
BD-Dist BD Name
SS-Dist SS Name
DS -Dist DS Name
SW-Dist SW Name
You can che
Visual-Studio – Show the keyboard shortcuts for all files
Has anyone found the keyboard shortcut for “Show All Files” in the Solution Explorer?
There is a related question… Is there any tool that can display keyboard shortcuts for any operation yo
CGI and FASTCGI Get all environment variables (C language)
Reference: http://blog.chinaunix.net/uid-620765-id-2084386.html
Remember the complete declaration of the C language main function?
int main(int argc, char **argv, char **envp);
Continuously selling a VR! Virtual reality is not the future, but now
Everyone should have felt that VR and AR have become more and more popular recently, and major Internet giants have also joined the industry, and even sellers have used VR. VR is virtual reality te
What is the PCIe, SATA, M2, NVME, AHCI of the solid-state drive? Don’t get it again
Original: https://baijiahao.baidu.com/s?id=1616207956596122967&wfr=spider&for=pc Technology Entertainment House
In recent years, solid state drives have also developed rapidly with the de
STM32’s printf () function serial port redirection (HAL library standard library)
1. Create a project
2. Core: add a new file usar_fputc.c (name whatever you want), add the file to the project Go
#include “stdio.h”
#include “stm32f1xx_hal.h”
extern UART_Handl
iPhone – code from I-PAD, all print support
I have two questions in my mind:
>Is it possible to print any tutorial or demo code from the iPad via a printer on the wireless network?
> What kind of printer does the iPad support?
For more information, please visit
> UIPrintInteractionController Class Reference
> Drawing and Printing in iOS