淡淡博客 – 记录生活点滴，关注Python数据挖掘、深度学习相关技术

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Wed, 06 Jun 2018 00:00:00 +0000

个人简介男，PhD在读，热爱数学，科学，喜欢推理，时常旅游，顺便拍片。伪程序员一枚、业余设计师、游泳爱好者。关注数据挖掘、深度学习技术，立志

Vim Awesome Cheatsheets -- 中文版

Sat, 18 Dec 2021 11:06:59 +0300

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VIM CHEATSHEET (中文速查表) - by skywind (created on 2017/10/12)
Version: 47, Last Modified: 2020/10/10 11:02
https://github.com/skywind3000/awesome-cheatsheets

The impact of hypocrisy on opinion formation: A dynamic model

Mon, 01 Nov 2021 23:40:53 +0300

Opinion Dynamics focus on the generation, diffusion and aggregation of opinions or behaviors in a social network. Humans have a demonstrated tendency to copy or imitate the behavior and attitude of others and actively influence each other’s opinions. But, publicly revealed opinions are not necessarily in line with internal opinions, causing complex social influence dynamics.

完美迁移博客从wordpress到hugo

Sat, 09 Oct 2021 13:00:04 +0300

前言

博客一直在阿里云学生机上托管，使用wordpress。自从上了研究生之后博客也就一直荒废了。服务器9月底到期，本想着继续续费一下学生机就不需要再折腾一遍了。但是由于已经不在国内读书了，没法进行学生认证。只好将博客迁移到hugo。迁移到Hugo而不是Hexo的原因主要是因为hugo对Rmarkdown的支持更好。

通过键盘控制显示器输入源的切换

Sat, 06 Mar 2021 00:00:00 +0000

通过键盘实现单屏多信号源的一键切换本人有两台设备都接入了同一台显示器，要切换输入源需要手动去按显示器上的按钮，显示器有点大，按钮离得又远，人

Mdic字典文件转换mac原生字典

Sat, 16 Jan 2021 00:00:00 +0000

Requirements 转换过程中需要用到PyGlossary，直接去github克隆仓库，或者直接去releases页面下载最新版。作者在这里已经给出了Requ

美区Apple ID 注册以及绑定美区PayPal付款

Thu, 26 Nov 2020 00:00:00 +0000

美区Apple ID 注册以及绑定美区PayPal付款背景近期apple推出一项订阅服务, apple one. 包含music, news, fitness, tv, arcade 以及 icloud 存储. 当然, apple 大陆官网

Mac 生产力提升之 Alfred 4 (一) 入门

Tue, 05 May 2020 00:00:00 +0000

[toc] 关于Alfred Alfred 4是Mac OS下可以大大提高生产力的一款效率工具. Alfred 功能查找(电脑上的任何文件) 网络搜索(支持自定义搜索引擎) 剪贴板历史

MacOS Catalina 10.15.4 alias添加自定义命令

Tue, 14 Apr 2020 00:00:00 +0000

例如:简化命令’clear’为’c' 在之前的版本中,bash_profile和bashrc 首先打开终端:

CS224 Lecture1 Word2Vec

Wed, 19 Feb 2020 00:00:00 +0000

CS224 Lecture1 - Word2Vec 1 Introduction of Natural Language Processing Natural Language is a discrete/symbolic/categorical system. 1.1 Examples of tasks There are many different levels in NLP. For instance: Easy: Spell Checking Keywords Search Finding Synonyms Synonym: 同义词 noun Medium Parsing information from websites, documents, etc. Parse: 对句子进行语法分析 verb Hard Machine Translation Semantic Analysis (What is the meaning of query

GitLab+Hexo更改数学公式渲染引擎为Pandoc

Tue, 05 Mar 2019 00:00:00 +0000

1 git push origin master 当我把远程仓库更新完成的时候, 过了好久发现博客并没有变化. 于是去看了一下Pipelines中的执行过程, 果然报错. 问题1: Error: spawn pandoc ENOENT

计算机中数的表示(一) - 无符号数和有符号数

Mon, 04 Mar 2019 00:00:00 +0000

无符号数的表示寄存器的位数反应无符号数的表示范围有符号数的表示机器数与真值其中小数点的位置是以约定的方式给出的. 原码表示法整数正数的原码反码

延安大学本科毕业论文Latex模板2019

Thu, 14 Feb 2019 00:00:00 +0000

延安大学本科毕业论文Latex模板2019 标签（空格分隔）: Latex [toc] 项目说明 YAUthesis是延安大学非官方的毕业论文(设计)的LaTeX模板

使用Xshell连接Google Cloud

Wed, 13 Feb 2019 00:00:00 +0000

使用Xshell连接Google Cloud 标签（空格分隔）：工具 [toc] 前提： 1. 科学上网 2. ssh工具，如Xshell，putty等. 3. Google Cloud服务器本

北京工业大学896历年真题算法

Sat, 03 Nov 2018 00:00:00 +0000

北京工业大学896历年真题算法 @StdKe整理所有算法都是自己手写思路然后在python上模拟(暂时没C环境)再翻译成C的,难免疏漏，请不吝

在OneNote种使用Latex命令愉快地敲出数学公式

Fri, 28 Sep 2018 00:00:00 +0000

在OneNote种使用Latex命令愉快地敲出数学公式 office中所有支持键盘输入的公式 office中默认是用的Unicodemath，相

提取圣才电子书并转成PDF,epub,mobi,word等格式

Sun, 23 Sep 2018 00:00:00 +0000

[toc] Start 大四考研狗一名，本科计算机科学与技术，前面几个月一直准备继续读本专业，由于各种原因最终决定跨考管理科学与工程。学校指定教材是《管理学》罗

Julia Pro国内下载地址

Mon, 13 Aug 2018 00:00:00 +0000

Julia Pro下载地址 Julia Pro 相当于Julia全家桶，可以把它当作Python的Anaconda。官方下载地址：https://juliacomput

Python二进制文件读取并转换

Fri, 25 May 2018 00:00:00 +0000

Python二进制文件读取并转换标签（空格分隔）： python [toc] 本文所用环境： Python 3.6.5 |Anaconda custom (64-bit)| 引言由于某些原因，需要用python读取二进制文件，这里主要用

卷积神经网络&&爬虫实现网易新闻自动爬取并分类

Sun, 13 May 2018 00:00:00 +0000

[toc] 比赛做的一个小项目，很遗憾，比赛结果不理想，现在将它开源，希望有小伙伴可以继续完善。卷积神经网络&&爬虫实现网易新闻自动爬

一次反盗号writeup

Sun, 22 Apr 2018 00:00:00 +0000

起因：昨天晚上朋友发了一个消息给我：晚上喝了点酒，没怎么看就睡了。第二天一大早上想起这个问题，心血来潮想扒一扒这个网站首先看这个网址： http://maschada.wbac.ac.th/ui.html?index/=ciquitj?url=s9fwpc&iv 打开

玩彩票赢钱概率有多少？用Python来告诉你

Wed, 18 Apr 2018 00:00:00 +0000

玩彩票赢钱概率有多少？用Python来告诉你标签（空格分隔）： Python 工具：Jupyter notebook + Anaconda **游戏规则：**时时彩一种玩法是买尾号。2元一个

机器学习之卷积神经网络 && 卷积神经网络在NLP中的应用

Mon, 16 Apr 2018 00:00:00 +0000

[toc] 机器学习之卷积神经网络标签（空格分隔）：机器学习卷积神经网络 1. 神经网络是啥？神经网络其实就是按照一定规则连接起来的多个神经元。上图展示了一

爬虫基本介绍 && python3 爬虫爬取网易新闻排行榜

Mon, 16 Apr 2018 00:00:00 +0000

1. 什么是爬虫？爬虫是请求⽹网站并提取数据的⾃自动化程序 2. 爬虫的基本流程发起请求通过HTTP库向目标站点发起请求，即发送一个Request，请

折腾(享受DIY的乐趣)----客制化键盘GH60自定义配列

Thu, 08 Feb 2018 00:00:00 +0000

需要用到两个网站第一个是GH60默认配列的地址 http://www.keyboard-layout-editor.com/#/layouts/7d55431c8a8d9f9bf94b6f6af8ce7c12 第二个是生成eep文件的地址,还可以查看每个键对应的标签是什么. http://keyboard.fans/tkg 需要准备材料以及工具材料 P

PHP循环遍历数据库中表的字段并显示到前端

Wed, 20 Dec 2017 00:00:00 +0000

刚接触PHP，需要做一个简单的项目。项目背景学校中老师或多或少的都需要统计学生的各种资料，除了像问卷星，金数据这样的第三方平台，学校内部暂时

如何注册APP Store美区ID

Mon, 18 Dec 2017 00:00:00 +0000

刚从安卓换回ios,由于特殊需要, 需下载ShadowRocket和Potatso. 以前中国商店没下架的时候购买的,但是下架之后再已购里面也找

Visual Studio Code & LaTeX Workshop 优雅地编写Latex文档 , 完美支持中文

Fri, 03 Nov 2017 00:00:00 +0000

LATEX 是基于 Tex 的排版系统，多用于排版高质量的科技类和数学类文档。 Tex Live TexLive是tex的集合环境，包含了pdfletex，xeletex等编

数据挖掘实验(一)

Thu, 02 Nov 2017 00:00:00 +0000

实验内容产生-1···1间隔为0.05的向量 $$ \\vec x $$ 计算方程$$ y=x^2+3 $$ 绘制函数$$ y=x^2+3 $$的函数图像随机产生大小为30*30的随机矩阵$$ A $$ 绘

初识Git 如何使用Git将本地项目上传到Github

Sun, 29 Oct 2017 00:00:00 +0000

什么是Git？ Git是一款免费、开源、世界上最先进的分布式版本控制系统，用于敏捷高效地处理任何或小或大的项目。什么是版本控制系统？上图实际上

机器学习(周志华) 第一章绪论课后习题答案

Sat, 30 Sep 2017 00:00:00 +0000

1.1 表1.1中若只包含编号为1和4的两个样例，试给出相应的版本空间。编号色泽根蒂敲声是否好瓜 1 青绿蜷缩浊响是 4 乌黑稍蜷沉闷否假设空间：问题所有

VS2017安装过程电脑突然关机

Wed, 20 Sep 2017 00:00:00 +0000

VS2017安装过程电脑突然关机，再次安装一直提示“很抱歉，安装失败” 删掉 C:\ProgramData\Microsoft\VisualStudio\Packages 解决

wget windows版安装与使用

Wed, 20 Sep 2017 00:00:00 +0000

这几天需要下载各种音效，但是在素材网里面打开下载链接，都是直接进入的网页，由于学校电脑没装idm，所以临时想了一个办法，在windows下用

网件路由器R6400 梅林固件折腾篇

Fri, 18 Aug 2017 00:00:00 +0000

由于R6800是联发科的芯片，暂时不支持梅林固件。所以410块挂咸鱼卖了。开始折腾R6400. 主要分为以下部分 1. 将drcom放到梅林固件里面

VS2017离线包下载

Sat, 12 Aug 2017 00:00:00 +0000

去官网找到自己需要的版本并下载。https://www.visualstudio.com/zh-hans/downloads/ 打开下载好的文

POJ 2773 - Happy 2006(素数判定欧几里得算法)

Sat, 29 Jul 2017 00:00:00 +0000

Description Two positive integers are said to be relatively prime to each other if the Great Common Divisor (GCD) is 1. For instance, 1, 3, 5, 7, 9…are all relatively prime to 2006. Now your job is easy: for the given integer m, find the K-th element which is relatively prime to m when these elements are sorted in ascending order. Input The input contains multiple

CodeForces 699A - Launch of Collider(水题)

Fri, 28 Jul 2017 00:00:00 +0000

Description There will be a launch of a new, powerful and unusual collider very soon, which located along a straight line. n particles will be launched inside it. All of them are located in a straight line and there can not be two or more particles located in the same point. The coordinates of the particles coincide with the distance in meters from the center of the collider, xi is

POJ 1258 - Agri-Net(最小生成树 Prim)

Fri, 28 Jul 2017 00:00:00 +0000

Description Farmer John has been elected mayor of his town! One of his campaign promises was to bring internet connectivity to all farms in the area. He needs your help, of course. Farmer John ordered a high speed connection for his farm and is going to share his connectivity with the other farmers. To minimize cost, he wants to lay the minimum amount of optical fiber to connect his farm

Codeforces 4A - Watermelon(水题)

Thu, 27 Jul 2017 00:00:00 +0000

Description One hot summer day Pete and his friend Billy decided to buy a watermelon. They chose the biggest and the ripest one, in their opinion. After that the watermelon was weighed, and the scales showed w kilos. They rushed home, dying of thirst, and decided to divide the berry, however they faced a hard problem. Pete and Billy are great fans of even numbers, that’

HDU 1010 - Tempter of the Bone（DFS 奇偶剪枝）

Wed, 26 Jul 2017 00:00:00 +0000

Description The doggie found a bone in an ancient maze, which fascinated him a lot. However, when he picked it up, the maze began to shake, and the doggie could feel the ground sinking. He realized that the bone was a trap, and he tried desperately to get out of this maze. The maze was a rectangle with sizes N by M. There was a door in the maze. At

HDU 1016 - Prime Ring Problem (DFS)

Wed, 26 Jul 2017 00:00:00 +0000

Description A ring is compose of n circles as shown in diagram. Put natural number 1, 2, …, n into each circle separately, and the sum of numbers in two adjacent circles should be a prime. Note: the number of first circle should always be 1. Input n (0 Output The output format is shown as sample below. Each row represents a series of circle numbers in the ring

HDU 1242 - Rescue（BFS 优先队列）

Wed, 26 Jul 2017 00:00:00 +0000

Description Angel was caught by the MOLIGPY! He was put in prison by Moligpy. The prison is described as a N * M (N, M Angel’s friends want to save Angel. Their task is: approach Angel. We assume that “approach Angel” is to get to the position where Angel stays. When

HDU 1009 - FatMouse' Trade（贪心）

Sun, 23 Jul 2017 00:00:00 +0000

Description FatMouse prepared M pounds of cat food, ready to trade with the cats guarding the warehouse containing his favorite food, JavaBean. The warehouse has N rooms. The i-th room contains Jii pounds of JavaBeans and requires Fii pounds of cat food. FatMouse does not have to trade for all the JavaBeans in the room, instead, he may get Jii* a% pounds of JavaBeans if he pays Fii* a% pounds

POJ 2431 - Expedition (贪心优先队列)

Sun, 23 Jul 2017 00:00:00 +0000

Description A group of cows grabbed a truck and ventured on an expedition deep into the jungle. Being rather poor drivers, the cows unfortunately managed to run over a rock and puncture the truck’s fuel tank. The truck now leaks one unit of fuel every unit of distance it travels. To repair the truck, the cows need to drive to the nearest town (no

POJ 3069 - Saruman's Army(贪心)

Sun, 23 Jul 2017 00:00:00 +0000

Description Saruman the White must lead his army along a straight path from Isengard to Helm’s Deep. To keep track of his forces, Saruman distributes seeing stones, known as palantirs, among the troops. Each palantir has a maximum effective range of R units, and must be carried by some troop in the army (i.e., palantirs are not allowed to “free f

Code Forces 587A - Duff and Weight Lifting（贪心）

Sat, 22 Jul 2017 00:00:00 +0000

Description Recently, Duff has been practicing weight lifting. As a hard practice, Malek gave her a task. He gave her a sequence of weights. Weight of i-th of them is 2wi pounds. In each step, Duff can lift some of the remaining weights and throw them away. She does this until there’s no more weight left. Malek asked her to minimize the number of

Code Forces 588A - Duff and Meat（贪心）

Sat, 22 Jul 2017 00:00:00 +0000

Description Duff is addicted to meat! Malek wants to keep her happy for n days. In order to be happy in i-th day, she needs to eat exactly ai kilograms of meat. There is a big shop uptown and Malek wants to buy meat for her from there. In i-th day, they sell meat for pi dollars per kilogram. Malek knows all numbers a1, …, an and p1, …

Codeforces 581C - Developing Skills(贪心)