READING CONFIGURATION VALUES WHEN YOU SHOULD NOT FAIL From Obfuscated to (Hopefully) Nearly Readable• Principal Engineer @ BMW • Programming for fun and food • Addicted to console and vim MATTHIAS@BILGER

units library How do you like such an interface? NO UNITS LIBRARY USING A TYPICAL UNITS LIBRARY Nearly none of the libraries on the market guarantee type safety for different quantities of the same kind std::println("EU: Malawi swelters with temperatures nearly {} above average", delta); std::println("US: Malawi swelters with temperatures nearly {} above average", delta.in(deg_F)); std::println("EU: Malawi swelters with temperatures nearly {} above average", delta); std::println("US: Malawi swelters with temperatures nearly {} above average", delta.in(deg_F));

Distributed Version Control Systems A Short History of Git What is Git? Snapshots, Not Differences Nearly Every Operation Is Local Git Has Integrity Git Generally Only Adds Data The Three States The in certain communities, but had not reached anywhere near the ubiquity it has today. Since then, nearly every open source community has adopted it. Git has made incredible progress on Windows, in the Open Source community using Git has also exploded. When I originally sat down to write the book nearly five years ago (it took me a while to get the first version out), I had just started working at

Distributed Version Control Systems A Short History of Git What is Git? Snapshots, Not Differences Nearly Every Operation Is Local Git Has Integrity Git Generally Only Adds Data The Three States The in certain communities, but had not reached anywhere near the ubiquity it has today. Since then, nearly every open source community has adopted it. Git has made incredible progress on Windows, in the Open Source community using Git has also exploded. When I originally sat down to write the book nearly five years ago (it took me a while to get the first version out), I had just started working at

in certain communities, but had not reached anywhere near the ubiquity it has today. Since then, nearly every open source community has adopted it. Git has made incredible progress on Windows, in the Open Source community using Git has also exploded. When I originally sat down to write the book nearly five years ago (it took me a while to get the first version out), I had just started working at on it. As I write this introduction, GitHub is announcing our 10 millionth hosted project, with nearly 5 million registered developer accounts and over 230 employees. Love it or hate it, GitHub has

recent years, the proportion of students in the open source population has continued to increase to nearly half today, probably because employers increasingly recognize the programming skills, communication in open source 有近三成受访者接触开源的时间在 1-2 年，近七成受访者接触开源时间在一年以上。 Nearly 30% of respondents have engaged in open source for 1-2 years, and nearly 70% have contacted with open source for more than a year. year. 【专家点评】/ [Expert Comment] 段夕华：线下占比接近一半是跟新冠疫情持续有关系，还是真进入了 Cyber 生存时代？ Duan Xihua: Is nearly half of the offline share related to the ongoing COVID-19 pandemic, or is it really into the Cyber

primarily a device that runs computer programs by following instructions on how to manipulate data. Nearly all computers currently in use — from tiny ones integrated into electronic gadgets, to well-known allows us to store and retrieve individual data blocks like programs, text files, or pictures. Nearly all of today’s desktop computers, as well as most notebooks and cellphones, contain not just a single field causes the magnetic force to move the hand/pointer. As mentioned in the previous section, nearly all of our current computers work exclusively with digital data. Essentially, this means they work

primarily a device that runs computer programs by following instructions on how to manipulate data. Nearly all computers currently in use — from tiny ones integrated into electronic gadgets, to well-known allows us to store and retrieve individual data blocks like programs, text files, or pictures. Nearly all of today’s desktop computers, as well as most notebooks and cellphones, contain not just a single field causes the magnetic force to move the hand/pointer. As mentioned in the previous section, nearly all of our current computers work exclusively with digital data. Essentially, this means they work

primarily a device that runs computer programs by following instructions on how to manipulate data. Nearly all computers currently in use — from tiny ones integrated into electronic gadgets, to well- known allows us to store and retrieve individual data blocks like programs, text files, or pic­ tures. Nearly all of today’s desktop computers, as well as most notebooks and cellphones, contain not just a single field causes the magnetic force to move the hand/pointer. As mentioned in the previous section, nearly all of our current computers work exclusively with digital data. Essentially, this means they work

primarily a device that runs computer programs by following instructions on how to manipulate data. Nearly all computers currently in use — from tiny ones integrated into electronic gadgets, to well- known which allows us to store and retrieve individual data blocks like programs, text files, or pictures. Nearly all of today’s desktop computers, as well as most notebooks and cellphones, contain not just a single field causes the magnetic force to move the hand/pointer. As mentioned in the previous section, nearly all of our current computers work exclusively with digi­ tal data. Essentially, this means they