这段代码一直i++在for循环中给我一个死代码警告,并且i由于某种原因它没有递增!
import java.util.Scanner;
public class HideThatNumber {
/**
* @param args
*/
public static void main(String[] args) {
Scanner input=new Scanner(System.in);
int enc=input.nextInt();
int tur=0;
String test="";
double x;
for (int i=1;i<10;i++){
test="";
test+=i;
test+=enc;
x=Integer.parseInt(test);
x/=11;
if(x==Math.round(x));{
tur=i;
break;
}
}
if(tur==0)
System.out.println("Impossible");
else
System.out.println(Integer.parseInt(test)/11);
}
}
Run Code Online (Sandbox Code Playgroud) 我正处于迁移到 Angular 7 的第一周,我一直在使用基于模板的基本验证在我的项目中制作基本表单,但我现在需要根据一个字段的值必须高于其他
我已经尝试在组件控制器中使用这些值本身,但是虽然我能够确认这些值是否有效,但我无法使用此代码向用户显示问题所在
if (issueThresholdForm.value.lowScore > issueThresholdForm.value.highScore) {
// Show user error
// This is the messing part, I guess
}
Run Code Online (Sandbox Code Playgroud)
这是我正在使用的模板
<div *ngIf="_issueCategory">
<form (submit)="submitIssueThreshold(issueThresholdForm)" #issueThresholdForm="ngForm">
<mat-form-field class="half-width" floatLabel="always">
<mat-label [translate]="'issueThreshold.modals.highScore'"></mat-label>
<input name="highScore" type="number" matInput placeholder="0" [(ngModel)]="_issueCategory.highScore"
required #highScore="ngModel">
</mat-form-field>
<mat-form-field class="half-width" floatLabel="always">
<mat-label [translate]="'issueThreshold.modals.lowScore'"></mat-label>
<input name="lowScore" type="number" matInput placeholder="0" [(ngModel)]="_issueCategory.lowScore"
required #lowScore="ngModel">
</mat-form-field>
<mat-form-field class="full-width" floatLabel="always">
<mat-label [translate]="'issueThreshold.modals.description'"></mat-label>
<textarea name="description" matInput [(ngModel)]="_issueCategory.thresholdDescription">
</textarea>
</mat-form-field>
<div class="modal-footer">
<button type="button" class="btn btn-secondary" data-dismiss="modal" [translate]="'modal-confirm.cancel'"></button>
<button type="submit" class="btn btn-primary …Run Code Online (Sandbox Code Playgroud) 嗨,大家好我正在为一个赋值实现一个多协议服务器,问题是当我使用一个函数(对TCP很好用)和UDP时,它会返回一些奇怪的sizeof(rslt)值,这是打印sizeof的结果(RSLT),
0.000000
服务器
#include <stdio.h>
#include <sys/socket.h>
#include <arpa/inet.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <netinet/in.h>
#include <sys/types.h>
#include <netinet/tcp.h>
#include <errno.h>
#define MAXLINE 100
struct equation {
float a;
char c;
float b;
};
struct result {
long double res;
};
int MAX (int a,int b){
if (a>b) return a;
return b;
}
int readn(int fd, void *vptr, size_t n)
{
size_t nleft;
ssize_t nread;
char *ptr;
ptr = vptr;
nleft = n;
while (nleft > 0) { …Run Code Online (Sandbox Code Playgroud)