Changing Your Life especially for software developer

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Introduction

Over the years, I have worked for many companies as a developer, requiring me to spend long tedious hours behind a desk. I love programming and it definitely keeps my brain stimulated, but my overall health and fitness has gradually declined. I am usually thrust into a team environment, where my colleagues and I create great code, but have poor social nutritional eating habits, aka quick / fast food. After work, I have a hard time balancing my family life and personal time. This causes me to forget and push things off of my so called priority list, with "I'll do it tomorrow!" syndrome. Once I get home from the usual stressful traffic on the freeway, it feels like I barely have enough time to take off my shoes, figure out what to make for dinner, tell the kids to stop fighting and get everyone ready for bed. There has to be some extra time somewhere. Enough is enough!


 

The last 6 months, I have made many positive changes in my life and decided to write an article about it. My hope is that it inspires the reader to examine and critique their own life accordingly and make changes where they see fit. Please feel free to share all of your own personal experiences in the comment section below.

Goals and Aspirations

Lets start off with, 'What do you want to achieve, from these life altering changes?'. For me, it was to get my life in order, balance my career with health and fitness and leave enough personal time to de-stress and enjoy life. Your goals may be different than mine, but they do share a common bond of hard work and determination to see a final outcome. So do you have the motivation and dedication to get the job done, like the Nike slogan 'Just do It'?  

Self Examination  

This is where it gets personal. Talk to that little voice in your head. Yea the one that is talking to you now, telling you, "He's Crazy". Ask it, am I truly happy or just content because I'm stuck in routine. How do you describe yourself when someone asks? Do you start off with your career? Ask your friends and family to help describe you, the good and bad. Don't take offense, no matter what they say. Let it swirl around in your head and see if their perception fits your character. After the detailed examination, build a list of things you are going to change from this point forward and never look back.

Undeterred Plan and Schedule

Take your list of changes and create a structured daily plan. Make sure to include an hour a day of personal time, just for you. Don't let others affect your personal space or time, it's for you only. Above all else stick to the plan, I guarantee you will see results.  

My Personal Experience  

Keep aware in this next section, I am describing my own personal changes and results. They may or may not work for you. If it works for you great, if it doesn't, try something else, just don't complain. Complaining is just a convenient way to make an excuse not to try. 

Health & Diet

My first goal was to take back control of my health. My health was on a roller coaster from hell. I felt flu sick all the time, bad headaches, upset stomach, heartburn like descriptions of GERD, burned out with no energy, laziness, etc. I was eating junk food just because I was bored, not because I was hungry. Drinking soda pop like it was a replacement for water, like the movie Idiocracy with the electrolyte drink coming out of the fountain.  

 

Eating fast food 24/7 because it takes less time, I don't have to cook or prepare it and cleanup was easy. I traded convenience for health and wow did I make a mistake. I was eating a food made by a clown, a McDonald's clown to be exact. Eating the food was killing me and my family. Fast food sure has changed over the years into heavy grease, deep fried, fatty, high calorie, sugar, sodium, processed, chemical monstrosities that have very little to no nutritional value. Just remember, "You are what you eat!". I consumed probably around 1200 calories per meal, 3 times a day plus snacks and sodas and energy drinks at 160+ calories per each.

Normal Total Daily Calories

  • Male: 2,000 to 3,000 
  • Female: 1,600 to 2,400 

I was probably around 4,000 to 6,000 calories a day.

Lets calculate my past BMI (Body Mass Index) measurement. Keep in mind under 18.5 BMI is too skinny and over 25.0 is too heavy.

Past BMI
Body Weight: 245 pounds
Height: 6'0 = 72 inches
((245 * 703) / 72) 72 = 33.22 BMI  

Current BMI
Body Weight: 178 pounds
Height: 6'0 = 72 inches
((178 * 703) / 72) 72 = 24.13 BMI

 

A personal fitness instructor said to me, 'Best thing to remember is, don't eat what you cant burn at the gym in 30 minutes'. The statement helped me realize I was over consuming food. Another thing that I taken to heart is "Are you really hungry?". Most of the time you will find out you are just thirsty, so drink a bottle of water.

 

Also stay away from social eating. "What is social eating?" When you go out to a restaurant with others, you tend to consume the same amounts as everyone else. You eat until your past full. When you get the feeling you are full, you are actually, too full. Just like when your thirsty, you are actually dehydrated. Your body is telling you to fix the problem.  

My Current Eating Habits 

I stay away from processed and canned foods, heavy gluten, fast foods, etc. I eat oats, protein powder, chicken, fish, vegetables lightly cooked, romaine / spinach salads. Snack on organic nuts and fruits. I drink tons of clean water. I stay away from GMO (Genetically modified organism or engineered organism (GEO) is an organism whose genetic material has been altered using genetic engineering techniques) foods and chemicals. I use cinnamon as a sugar substitute. I use pepper and herb spices instead of salt. I use lemon juice to slow cook my chicken or fish. I stay away from condiments like butter, margarine, mayonnaise, ketchup, mustard, etc. I buy groceries that are raw and truly organic rather than ones that may have purchased a label. 100% juice usually equals 100% sugar. Read nutrition facts, just because it doesn't show it, doesn't mean, it doesn't contain it. Nutrition ingredients are listed in the order of quantity from most to least. If it doesn't contain over the minimum to be listed, it is not added to the list.

'If humans drink milk, what do cows drink?' I take my daily vitamins and consume LOTS OF WATER! I cant stress this enough... Water! Water! Taste Great!  

Exercise Regimen  

There is no magic fix for losing weight except medical surgery. Don't let the infomercials fool you. You want the perfect body?, it is going to take lots of exercise, discipline and proper diet. I currently work out every other day, trading between upper body and lower body. I do lots of cardio and functional training and elliptical. I sacrifice an hour of my personal free time to achieve results. If you can not find the time to workout, trade your lunch time for it and bring vegetables or protein bars to snack on. I focus on my problem area the most, which is my stomach. Excessive sitting causes the beer belly look, which is very unattractive, or so I'm told.

 

A quick fix, try to sit on a workout ball instead of a chair at work. Balancing on it will keep your abs working. Your core stomach area is the most important on your body. Have you ever seen a fat on top, fat on bottom, skinny middle person? Or an eight shape body? Usually doesn't happen. So getting your core in shape, will cause everything else to look good as well. I do 3 sets of 30 sit-ups a day and lots of planks and leg lifts for the lower abs. If you have problem areas, focus only on them, forget about what your good at. You never know the problem area may turn into your best feature, if you work hard enough for it.

Convenience equals lazy, so next time you find a place to park your car, park as far away as possible. If its under a mile, walk. Under 5 miles ride a bike. Go outside and play sports with your kids, get them off of Facebook and their phones texting. When did social, turn into not being social, go outside once an a while, get a sun tan.

Stress, Depression, Sickness

Most of the time stress and depression is caused by being unhealthy, unwanted and unfit. Taking pharmaceuticals to make you feel better is good short term and bad long term. I use to take all kinds of aspirin and ibuprofen, just to get through the day. I was ignoring my body or deflecting the messages, because I didn't have time for it, instead of fixing the problem.

 

Crazy fact, most of the time you get a cold or flu, it is really just food poisoning or allergies, surprise! Look it up, you will be surprised as well. I haven't been sick for six months since eating healthier, cleaning my foods and staying away from unsanitary fast food places.  

Work Habits 

Sitting at work for long periods of time is very bad for your health. I have a trick that can help you though. I put my water inside my car and every time my coworkers go out to smoke, I follow and go out and drink a bottle of water. Gets me up and moving and I don't forget, because they don't forget to smoke. If you have vending machines at the office, fill them with protein bars and water. Once people start seeing you get fit, they will want to join in too. Soon your boss wants to pay for your gym memberships, because everyone has more energy and there is a noticeable increase in production. My boss has even started to run in the mornings before work. Change the atmosphere, spread the positive energy it's contagious.

Conclusion

Well in conclusion, I have lost lots of weight. I have tons of energy and feel like I could run a marathon everyday. Women are actually starting to pay attention to me again. It's weird how generally nicer people are to fit / healthy people. Maybe its smell or pheromones, whatever it is you will notice the difference. Don't Give Up! If I could do it, anyone can do it. The magic words are Motivation and Commitment. Don't say your going to do it, just do it!  

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内容概要:本文围绕面向城市空中交通的多无人机路径规划问题展开研究,系统阐述了该领域的核心挑战与关键技术。文章首先定义了多无人机路径规划的问题,明确了包括飞行安全、避障、协同效率在内的多项约束条件与性能指标。随后,重点介绍了三大类路径规划方法:基于改进RRT算法和图论的全局路径规划方法,用于构建初始可行路径;基于动态风险场的模型预测控制和动态窗口法(DWA)的动态避障方法,以应对环境中的突发障碍;以及多无人机协同规划策略和分布式协同控制算法构成的局部协同调整方法,确保多机间的飞行安全与任务协同。研究通过搭建Matlab仿真实验平台,设计了多种复杂城市飞行场景,对所提方法进行了全面的仿真验证与结果对比分析,展示了各方法在不同场景下的有效性与优劣。; 适合人群:具备一定自动化、计算机或航空航天领域基础知识,从事无人机、智能交通、路径规划等相关方向研究的研发人员和研究生。; 使用场景及目标:①为城市空中交通管理系统(UATM)的设计与开发提供理论基础和技术参考;②应用于物流配送、城市巡检、应急救援等多无人机协同任务的路径规划算法设计与仿真验证;③作为相关领域科研工作的技术参考资料,推动多智能体协同决策与控制技术的发展。; 阅读建议:建议读者结合文中提供的Matlab代码进行实践操作,通过复现仿真结果加深对各类算法原理与实现细节的理解。在学习过程中,应重点关注全局规划与局部避障的结合机制,以及多机协同策略中的冲突消解逻辑。

基于ADMM的车辆路径问题与时间窗口(VRPTW)的问题分解方案(Matlab代码实现)

内容概要:本文系统介绍了基于交替方向乘子法(ADMM)的车辆路径问题与时间窗口(VRPTW)的分解求解方案,并提供了完整的Matlab代码实现。该方法通过引入ADMM这一经典的分布式优化算法,将原本复杂的全局耦合优化问题分解为多个可并行求解的子问题,借助拉格朗日乘子协调各子问题间的约束一致性,从而实现对大规模VRPTW问题的高效求解。文中详细阐述了问题建模过程、ADMM迭代框架的设计原理、收敛性保障机制以及关键参数的设置策略,突出体现了分布式优化在物流路径规划中的可扩展性优势,适用于城市配送、电商物流等实际场景中的路径优化需求。; 适合人群:具备运筹学、优化理论基础及Matlab编程能力,从事物流优化、智能交通、供应链管理或分布式算法研究的高校研究生、科研人员及相关领域工程师。; 使用场景及目标:①解决带时间窗约束的大规模车辆路径问题(VRPTW);②学习并掌握ADMM在组合优化问题中的分解建模与协调求解机制;③实现面向分布式计算架构的路径优化算法,提升求解效率与系统可扩展性; 阅读建议:此资源强调算法实现与工程应用的结合,建议读者在理解VRPTW经典数学模型的基础上,深入剖析ADMM的增广拉格朗日函数构建与变量更新流程,并通过调试Matlab代码掌握算法收敛性分析、罚参数调优及性能评估方法,还可进一步拓展至其他分布式优化场景进行对比研究。

无刷直流电机BLDC转速电流双闭环+无位置传感器控制仿真【仿真+详解说明报告+参考文献】

内容概要:本文详细介绍了一套针对无刷直流电机(BLDC)的Simulink仿真资源包,核心内容涵盖转速电流双闭环控制与无位置传感器控制技术,重点采用滑模观测器(SMO)实现对转子位置与速度的精确估算,避免了物理位置传感器带来的成本与可靠性问题。资源包提供了多个高质量仿真模型,包括基于模糊PID与传统PID控制策略的对比分析、无感控制结合滑模观测器与双闭环PI控制的综合系统等,全面展示不同控制算法在动态响应、抗干扰能力及稳态精度方面的性能差异。所有模型均基于Matlab/Simulink平台构建,配套详尽的技术说明文档与参考文献,深入解析控制结构设计、观测器原理、参数整定方法及系统稳定性分析,适用于电机驱动系统的研究、教学演示与工程验证。; 适合人群:面向电气工程、自动化、控制科学与工程及相关专业的本科生、研究生、科研人员和工程技术人员,尤其适合从事电机控制、电力电子与运动控制系统研究的专业人士,具备自动控制理论基础和Matlab/Simulink基本操作能力者更易上手。; 使用场景及目标:① 深入学习并掌握无刷直流电机双闭环调速系统的工作原理与无位置传感器控制的关键技术;② 对比研究模糊PID与传统PID在电机控制中的动态性能与鲁棒性差异;③ 开展滑模观测器在非线性系统状态估计中的建模与仿真研究;④ 支持课程设计、毕业设计、科研项目申报及学术论文复现等实际应用场景。; 阅读建议:建议用户结合提供的详解说明报告,逐步运行各仿真模型,重点关注控制器参数调节过程、滑模观测器的设计细节及其收敛性表现,深入分析系统启动、负载突变、转速切换等工况下的响应特性,鼓励在此基础上进行控制算法改进、引入新型观测器或拓展至其他电机类型进行创新性研究。

【顶级EI复现】基于KKT条件与分段解析优化的双有源桥DC-DC变换器软开关协同最小应力闭环控制方法(Simulink仿真实现)

内容概要:本文提出了一种基于KKT条件与分段解析优化的双有源桥DC-DC变换器软开关协同最小应力闭环控制方法,旨在实现高效能、低损耗的电力变换控制。通过构建包含软开关约束与电流应力目标的优化模型,结合KKT最优性条件进行数学推导,对变换器的工作模态进行分段解析处理,精确求解出满足零电压开通(ZVS)且电流有效值最小的最优工作点。在此基础上设计了闭环控制系统,有效提升了变换器在全功率范围内的运行效率与动态响应性能。文中详细阐述了控制策略的理论推导过程、优化求解算法实现及Simulink仿真实验验证,充分展示了该方法在协同优化软开关范围与器件应力方面的优越性。; 适合人群:从事电力电子与电力传动、新能源发电系统、电动汽车及微电网等相关领域的科研人员与工程技术人员,具备一定的电路理论、最优控制理论与仿真建模基础。; 使用场景及目标:①用于高效率双有源桥变换器的先进控制策略研究与设计;②为解决传统移相控制中软开关范围受限与功率器件电流应力高的问题提供优化思路;③适用于车载充电机、直流配电系统、可再生能源并网等对高功率密度与高效率有严苛要求的应用场景。; 阅读建议:建议结合Simulink仿真模型深入理解控制算法的具体实现流程,重点关注KKT条件在非线性约束优化中的应用逻辑以及分段解析策略的设计思想,同时可通过对比传统单移相控制(SPS)或双重移相控制(DPS)方法,直观体会本方法在效率提升与应力抑制方面的综合优势。

大模型智能体LLM急速入门

大模型智能体LLM急速入门

密码学:一文看懂Base64算法

Base64常常在我们开发中出现,我们可能只知道它是一串乱码(看不懂的符号),知道有时候知道我们需要把一些数据进行base64编码,有时候需要进行Base64解码。但是却不知道它的作用是什么?它存在的意义是什么?还有它是如何生成的?如何编码和解码?上述的疑问相信在你读完本篇文章之后烟消云散。下面开始正文。Base64是什么?它和加密解密操作有什么关系吗?没错,这就是经过Base64编码后的字符串。对它解码后,我们获得以下内容点个关注,是对我持续创作的最大的鼓励!

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