了解CIE XYZ的来龙去脉,看维基之前,先读这两篇文章: https://medium.com/hipster-color-science/a-beginners-guide-to-colorimetry-401f1830b65a A Beginner's Guide to (CIE) Colormetry, 和 http://graphics.stanford.edu/courses/cs148-10-summer/docs/2010--kerr--cie_xyz.pdf The CIE X

Introduction Why an article on "colors"? It's the same question I asked myself before writing this series. The fact is, in .NET, there are only two color formats that can be used: the RGB color model and the HSB color model. Those two are encaps

/*MySQL - 5.5.47 *************//*!40101 SET NAMES utf8 */; create table `base_area` (    `codeid` mediumint (12),    `parentid` int (12),    `cityName` varchar (180)); insert into `base_area` (`codeid`, `parentid`, `cityName`) values('11','0','北京');i

采集了一下JD的省市区地区 (非常简单,只是做个记录) 1.建表:account_area   2.进入页面: https://reg.jd.com/reg/company 在浏览器(Firefox)控制台(Firebug)上输入:(其他浏览器的控制台也行) var $cr=$(".copyright"); $cr .empty(); function getAreas3(id){ $.get("https://reg.jd.com/reg/area", { lev

本篇引用以下三个链接: http://www.tgerm.com/2012/01/recordtype-specific-picklist-values.html?m=1 https://github.com/abhinavguptas/Multi-RecordType-Sobject-Picklist-Describer http://bobbuzzard.blogspot.com/2012/01/record-type-picklist-values.html 我们知道,record typ

Django models .all .values .values_list 几种数据查询结果的对比

2007/2008 ACM International Collegiate Programming Contest University of Ulm Local Contest Problem F: Frequent values You are given a sequence of n integers a1 , a2 , ... , an in non-decreasing order. In addition to that, you are given several querie

E - The Values You Can Make Description Pari wants to buy an expensive chocolate from Arya. She has n coins, the value of the i-th coin is ci. The price of the chocolate is k, so Pari will take a subset of her coins with sum equal to k and give it to

Python’s handling of default parameter values is one of a few things that tends to trip up most new Python programmers (but usually only once). What causes the confusion is the behaviour you get when you use a “mutable” object as a default value; tha

数据库的在上一篇博客中<SQLite之C语言接口规范(三)——Binding Values To Prepared Statements>用到了如何从查询结果中取出结果值.今天的博客就详细的介绍一下sqlite3_column_*()的方法.在SQLite数据库C语言接口中,从查询结果中取出不同类型的值需要不同的接口函数. 一. sqlite3_column_*()介绍 1.下图是sqlite3_column_*()所包含的方法,由下图容易的看出取出不同类型的值需要不同的接口函数.可以取出的类

  原因: Pojo类User没提供无参数构造方法, 加上该构造方法后,问题解决 ### Cause: org.apache.ibatis.reflection.ReflectionException: Error instantiating class com.chry.browserServer.db.model.User with invalid types () or values (). cause: java.lang.NoSuchMethodException: com.chry.

E - The Values You Can Make Description Pari wants to buy an expensive chocolate from Arya. She has n coins, the value of the i-th coin is ci. The price of the chocolate is k, so Pari will take a subset of her coins with sum equal to k and give it to

One of the extensibility points we have in Team Foundation V1 is that you can configure any other diff and merge tools you want.  The purpose of this article is to start collecting the most common ones we know or heard about in a central place so peo

Frequent values Time Limit: 2000MS   Memory Limit: 65536K Total Submissions: 17581   Accepted: 6346 Description You are given a sequence of n integers a1 , a2 , ... , an in non-decreasing order. In addition to that, you are given several queries cons

values返回是字典列表; values_list返回的是元组列表, values_list加上 flat=True 1 1 之后返回值列表

原文地址:http://adndevblog.typepad.com/autocad/2013/08/registry-values-for-productid-and-localeid-for-autocad.html HKEY_LOCAL_MACHINE\Software\Autodesk\AutoCAD\R19.1\ACAD-D001:409 What is ACAD-D001:409? R19.1 is the release number, the this corresponds t

Today an interesting bug (pitfall) is found when I was trying debug someone's code. There is a function which tries to check if an object exists or not. It has several parameters and some of them have default value. When using this function, the prog

错误描述: These columns don't currently have unique values. Content deployment job 'job name' failed.The exception thrown was 'System.ArgumentException' : 'These columns don't currently have unique values.' 错误截图,如下图: 错误日志位置,如下图: 在服务器上找到错误日志的位置,是压缩包,记得找对G

C. The Values You Can Make time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output Pari wants to buy an expensive chocolate from Arya. She has n coins, the value of the i-th coin is ci. The price

android项目新建时会有一个values目录(高版本会增加values-v11,values-v14目录),该目录用于存放显示相的配置数据的定义文件,如strings.xml, style.xml, dimens.xml, arrays.xml, ids.xml等. 通常在android应用开发时,需要对多语言支持,一般是中英繁.也就是说当android系统切换到英文环境时,UI上客户端的相关操作字符显示也应显示相应的英文内容,这就需要对values目录进行扩展,具体扩展就是增加支持语言对应