There are a hundred and one proposed solutions out there for how to move UITextField andUITextView out of the way of the keyboard during editing — usually, it comes down to observing UIKeyboardWillShowNotification and UIKeyboardWillHideNotification,…

题目链接:https://codeforces.com/contest/1380/problem/B 题意 你在和一个机器人玩石头剪刀布,给出一个长为 $n$ 的出拳序列,机器人会从某一处开始出拳 $n$ 次,问你要怎么出拳才能赢尽可能多的回合. 题解 全部反制机器人会出的最多的拳即可. 代码 #include <bits/stdc++.h> using namespace std; map<char, char> mp{ {'R', 'P'}, {'S', 'R'}, {'P',…

题意:石头剪刀布,bot有一串字符,表示他要出什么,你需要事先确定你的出招方案,然后遍历bot的字符串,从\(i\)位置开始跑一个循环,每次跑都要记录你赢的次数贡献给\(sum\),现要求\(\frac{sum}{n}\)最大,求你的最佳处找方案. 题解:贪心,全输出bot出招次数最多的对应即可. 代码: int t; string s; map<char,int> mp; int main() { ios::sync_with_stdio(false);cin.tie(0); cin>…

https://github.com/XCGit/awesome-objc-frameworks#awesome-objc-frameworks awesome-objc-frameworks ID Framework Images 1 AFNetworking/AFNetworking 19,058 A delightful iOS and OS X networking framework 2 rs/SDWebImage 10,139 Asynchronous image downloade…

Open Source Project for iOS 所有和iOS相关的Open Source Project的汇总. 功能点 开源项目   iOS Gallery RMGallery https://github.com/robotmedia/RMGallery FGallery https://github.com/gdavis/FGallery-iPhone KYElegantPhotoGallery https://github.com/KittenYang/KYElegantPhot…

可能会有人觉得我废话特别多,我就在开头写一个简单粗暴的版本: 在Firefox中ondrop事件会触发Firefox自带的拖拽搜索功能,在ondrop事件触发执行时触发的函数中加上这两条: /* 禁止冒泡行为 */ event.stopPropagation(); /* 禁止默认行为 */ event.preventDefault(); 这个时候Firefox拖拽的时候就不会弹出搜索页面了. 下面是废话特多的我的解决过程 在学习拖放事件的时候,我看的教程是用下面的一个例子去介绍这些事件的: 有两…

本文翻译自<effective modern C++>,由于水平有限,故无法保证翻译完全正确,欢迎指出错误.谢谢! 博客已经迁移到这里啦 右值引用只能绑定那些有资格被move的对象上去.如果你有一个右值引用类型的参数,你就知道这个被绑定的对象可以被move: class Wdiget{ Widget(Widget&& rhs); // rhs肯定指向一个有资格被move的对象 ... }; 在这种情况下,你会想传这样一个对象给其他函数,来允许这些函数能利用对象的右值属性.为了达…

#!/usr/bin/python # -*- coding: utf-8 -*- """ ZetCode PyQt4 tutorial This is a simple drag and drop example. author: Jan Bodnar website: zetcode.com last edited: January 2015 """ import sys from PyQt4 import QtGui # In order…

In computer graphical user interfaces, drag-and-drop is the action of (or support for the action of) clicking on a virtual object and dragging it to a different location or onto another virtual object. In general, it can be used to invoke many kinds…

\(\mathcal{Description}\)   Link.   给定一棵含 \(n\) 个结点的树,双向边权不相同.\(q\) 次询问,每次询问在树上标记 \(e\) 个点,标记的价值为所有趋向于某个标记点的有向边权值之和,求价值的最大值.   \(q\le n\le2\times10^5\). \(\mathcal{Solution}\)   \(e=1\text{ or }2\) 的时候可以直接换根求解.需要强调的是,当确定一个被标记的根时,其余标记点的贡献为根到这个标记点的有向路径…

In particular embodiments, a method includes, from an indexer in a sensor network, accessing a set of sensor data that includes sensor data aggregated together from sensors in the sensor network, one or more time stamps for the sensor data, and metad…

Coping with the TCP TIME-WAIT state on busy Linux servers 文章源自于:https://vincent.bernat.im/en/blog/2014-tcp-time-wait-state-linux.html Do not enable net.ipv4.tcp_tw_recycle. The Linux kernel documentation is not very helpful about whatnet.ipv4.tcp_tw_…

QUICK START GUIDE This page is a guide aimed at helping anyone set up a cheap radio scanner based on the RTL-SDR software defined radio as fast as possible on a Windows system. If you have any trouble during the installation, please see the troublesh…

Application Fundamentals--应用程序基础知识 Key classes--关键类 Activity Service BroadcastReceiver ContentProvider Intent In this document--在这篇文章中 Application Components--应用程序组件 Activating components: intents--激活组件:意图 Shutting down components--关闭组件 The manifest…

There is a ball in a maze with empty spaces and walls. The ball can go through empty spaces by rolling up (u), down (d), left (l) or right (r), but it won't stop rolling until hitting a wall. When the ball stops, it could choose the next direction. T…

SENG201 (Software Engineering I) ProjectSpace ExplorerFor project admin queries:For project help, hints and questions:March 25, 20191 Introduction1.1 AdministrationThis project is a part of the SENG201 assessment process. It is worth 25%of the final…

There is a ball in a maze with empty spaces and walls. The ball can go through empty spaces by rolling up (u), down (d), left (l) or right (r), but it won't stop rolling until hitting a wall. When the ball stops, it could choose the next direction. T…

1. Introduction 1.1. About 1.2. Sphinx features 1.3. Where to get Sphinx 1.4. License 1.5. Credits 1.6. History 2. Installation 2.1. Supported systems 2.2. Compiling Sphinx from source 2.2.1. Required tools 2.2.2. Compiling on Linux 2.2.3. Known comp…

The hidden reason for poverty the world needs to address now By Gary Haugen # Background about our speaker As founder of International Justice Mission, Gary Haugen fights the chronically(长期地:慢性地) neglected global epidemic of violence against the poor…

Siebel Configuration and Development Guideline 1 2 2.1 2.2 2.3 11. 2.4 2.5 3 3.1 3.2 3.2.1 3.2.2 3.3 3.4 3.4.1 3.4.2 3.4.3 3.5 3.5.1 3.5.2 3.5.3 3.5.4 3.5.5 3.6 3.7 4 5 5.1 5.2 5.3 5.4 6 7 7.1 7.2 7.3 8 1       Objectives The intent of this document…

Design Doc: Session History for Out-of-Process iframes Charlie Reis, May 2014 This document outlines the changes we plan to make to Chrome's session history logic to support iframes that are rendered in a different process than their parent frame.  T…

TL;DR: do not enable net.ipv4.tcp_tw_recycle. UPDATED (2017.09): net.ipv4.tcp_tw_recycle has been removed from Linux 4.12. The Linux kernel documentation is not very helpful about what net.ipv4.tcp_tw_recycledoes: Enable fast recycling TIME-WAIT sock…

import numpy as np import pandas as pd Pandas will be a major tool of interest throughout(贯穿) much of the rest of the book. It contains data structures and manipulation tools designed to make data cleaning(数据清洗) and analysis fast and easy in Python.…

原题链接在这里:https://leetcode.com/problems/the-maze-iii/ 题目: There is a ball in a maze with empty spaces and walls. The ball can go through empty spaces by rolling up (u), down (d), left (l) or right (r), but it won't stop rolling until hitting a wall. Wh…

There is a ball in a maze with empty spaces and walls. The ball can go through empty spaces by rolling up (u), down (d), left (l) or right (r), but it won't stop rolling until hitting a wall. When the ball stops, it could choose the next direction. T…

There is a ball in a maze with empty spaces and walls. The ball can go through empty spaces by rolling up(u), down (d), left (l) or right (r), but it won't stop rolling until hitting a wall. When the ball stops, it could choose the next direction. Th…

Note to the Reader - Docs Being Revised for Selenium 2.0! Introduction Test Automation for Web Applications To Automate or Not to Automate? Introducing Selenium Brief History of The Selenium Project Selenium’s Tool Suite Choosing Your Selenium Tool S…

如果你看到这篇文章,先别急着动手,过完一遍,确定是你要的再动手. 别人提到的这里不赘述,只说查了好久才知道的. 1号坑:System.IO.FileNotFoundException Could not find file "roslyn\csc.exe".详细信息如下: System.IO.FileNotFoundException Could not find file "/var/www/defalut/bin\roslyn\csc.exe". Descrip…

一直准备写这么一篇有关 SSIS 日志系统的文章,但是发现很难一次写的很完整.因为这篇文章的内容可扩展的性太强,每多扩展一部分就意味着需要更多代码,示例和理论支撑.因此,我选择我觉得比较通用的 LOG 部分,在这里分享一下给大家,希望对大家在设计 ETL 的日志系统时有所启发和帮助.当然在这里要区分 Logging 和 Auditing 的区别,Logging 主要用来记录发生了什么事情,Auditing 侧重描述过程中产生的数据量,新增了多少,修改了多少等记录条数.本文主要讲解 Log 部分,…

目录 简介和安装 测试MySQL 认识一下Connection Options MYSQL CURD 插入 更新 查询 删除 Nodejs 调用带out参数的存储过程,并得到out参数返回值 结束数据库连接两种方法和区别 连接池Pooling connections 创建 其它连接池配置选项 释放 使用示例 断线重连 其它... 简介和安装 Node.js与MySQL交互操作有很多库,具体可以在 https://www.npmjs.org/search?q=mysql  查看. 我选择了feli…