gRPC is an universal remote procedure call framework developed by Google that has been gaining interests among many software developers that were developing microservices in recent years because its open source, language neutral, compact binary size,
今天遇到个很奇葩的问题,在写一个应用程序时需要查询表的数据,但是表名是全数字的,直接查询会报错,于是想到给111的表名加一对中括号:即——>select * from [111] 刚开始还是报错,于是找同事帮忙,他用了一个语法:select * from [pd].[dbo].[111] 这个语法时完整的表名 于是解决了这个问题,后来我又去测试select * from [111] 这句话,竟然也可以用了- -
Pandigital Fibonacci ends The Fibonacci sequence is defined by the recurrence relation: F[n] = F[n-1] + F[n-2], where F[1] = 1 and F[2] = 1. It turns out that F541, which contains 113 digits, is the first Fibonacci number for which the last nine digi
java判断string变量是否是数字的六种方法小结 (2012-10-17 17:00:17) 转载▼ 标签: it 分类: 转发 1.用JAVA自带的函数 public static boolean isNumeric(String str){ for (int i = 0; i < str.length(); i++){ System.out.println(str.charAt(i)); if (!Character.isDigit(str.charAt(i))){
ios swift 实现饼状图进度条 // // ProgressControl.swift // L02MyProgressControl // // Created by plter on 7/29/14. // Copyright (c) 2014 jikexueyuan. All rights reserved. // import UIKit class ProgressControl: UIView { override init(frame: CGRect) { super.ini