MAKE it in China: Hacking Shenzhen

本文介绍了在深圳这个全球硬件制造中心的生活和工作技巧。从砍价到交通出行,再到寻找美味佳肴,作者分享了一系列实用建议,帮助读者更好地融入这座充满活力的城市,并充分利用其丰富的电子市场资源。

Shenzhen completely shell-shocks with its technological splendor. My co-founders and I had never seen an electronics market that expanded for blocks with every kind of electrical and technical component known to man the way it does in Hua Qiang Bei. It is like being Neo in the scene in the Matrix where you get to choose your weapons and they zoom out in organized shelves, except it’s not so organized. We got to live out our most demanding and out-of-reach maker fantasies by living in this town where parts, supply chain, and manufacturing are deeply accessible.

When we first arrived at the hardware accelerator program Haxlr8r, we saw motorcycles take shortcuts on the sidewalk, homeless performers make their own speakers, and children with LED throwies in their mouths (OK that was us).

It became obvious that this is a city full of hackers and the truth is, you will not have a productive time in this town unless you do as the locals do. Below are some pro tips to survive at least three months in Shenzhen to explore its technological treasures.

General Hacks:

*All prices can be negotiated, even in seemingly upscale places. Always ask if you can “da zhe” which means if you can get a discount. Usually electronics can be discounted by 5 percent straight up and up to 40 pecent if you buy in volume. Typically up to 10 percent can be taken off of your meal if you say you will relinquish your “fa piao” (receipt) for a “da zhe.”

*Get your money (RMB) for China before you travel.

*Pack all your favorite pharmaceuticals. The chances of you getting sick from traveling is high and the last thing you want to do when ill is pantomime what you need to a bewildered drug store clerk.

*Always carry a pack of tissues wherever you go. There is usually no toilet paper in restrooms.

*Be agreeable and always smile. If you don’t, prepare for some nasty friction in your daily interactions.

Transportation:

Shenzhen has a great and new subway system that takes you to all of the hubs (and the hubs China wants to make happen). The Luobao line takes you delightful places like Window of the World which is an amusement park with miniaturized world famous natural and man-made wonders. There is a mall adjacent to the park with an ice skating rink and it has really classy restaurants on the top floor. While these places are fun and worthwhile to check out, if you want to get to work, buy a green Shenzhen metrocard and go to Hua Qiang Road on the Loubao line.

Taxis are fast and cheap, but you should go in prepped with a map in Chinese. To hail a cab, scream “DA DI!”and extend your pointer finger in the air. Never take cars that are not marked as a taxi if you want to live.

Communication:

If you’re missing someone to speak English to don’t go to Shekou (the infamous ex-pat area), head to Coco Park (Shopping Park metro station). There is a theater there, and across the street is a series of bars/restaurants filled with foreigners. Or if you have time, take the Loubao line to Hong Kong. Everybody speaks English in Hong Kong and that place is seriously fun. To avoid facing an enormous line, you should go on a weekday or go through Luohu where non-Chinese foreigners have a separate line at HK customs.

Food:

Don’t buy groceries, buy snacks, and always eat out. It costs you less money to eat out than to spend time picking out groceries and then cooking. For example, a filling breakfast of bao (meat or veggie filled buns) and fresh soy milk is 3 quai (USD $0.50), and a piping hot bowl of beef noodles is 9 quai ($1.50).

Hot pot is best enjoyed with a group of people. Cheap and delicious!
The good news is most restaurants have menus that have pictures and you can always point at what the person next to you is having. If you are a vegetarian, be careful, pork is almost considered a vegetable in China. A sign of a good vegetarian restaurant is if it’s filled with monks. Our favorite is Fullness Vegetarian Restaurant. As the name suggests, it is filling and delicious enough for meat-eaters, and they have a lot of vegan options!

Phone and Internet:

You can get a cheap 300 quai phone at the Hua Qiang electronics market and designate it as your official China phone. How cool is that? Make sure to test the phone at the stall before purchasing. Next, buy a China Mobile SIM card, people in China are quite particular about their numbers and the person selling you the card will ask you to chose a number, you’ll want to choose a number that has as many 8s in it as possible for this is fortuitous.

Next, the internet. It’s a miracle! Your apartment hotel will have internet as well as many coffee shops. Getting wifi is not hard, but you will encounter the great firewall of China. To get around it, get a subscription to a virtual private network or VPN. I will not directly link to the one we use because I don’t want it to be shut down, but it is mentioned in this Lifehacker article.

Shopping:

You should get a suit while you’re in China. Abe got a bespoke tuxedo that he wore at our wedding at Louhu for 300 RMB (USD $50). There are also many other treasures at Louhu including knock-offs of every brand on earth. However, I don’t recommend you buy the iPad 7, the amazing purchase to make would be a garment made just for you to fit you in exactly the fabric you love. The top floor of the Louhu shopping mall is covered wall to wall with any textile you can dream of and is a delight to browse. If you are going to purchase something that is not bespoke it is safe to say the first price they give you is usually twice the amount they actually want to sell it for, if you have it in you, haggle, and you will walk away with an amazing deal.

OK, now you look like a million bucks, but you ran out of toothpaste. There are two trusted chains you should seek out, the Ren Ren Le or the Carrefour (pronounced in Chinese “jia la fo”). Mannings is a convenient alternative, but it is more expensive and not nearly as comprehensive as the former stores.

Shelter:

Don’t be a n00b and stay at an expensive western name brand hotel. Instead, stay at an apartment hotel! They are cheap, convenient, and cleaner than a hostel. Whenever we have an extended stay in Shenzhen we always live at the She and He Apartment Hotel next to Window of the World. Remember to always keep all of your receipts in order to get your deposit back.

We have rented apartments in Shenzhen before and it is an extremely hairy business. In Haxlr8r we had problems with mold, internet, mysterious bills and fees, people getting kicked out, strange smells, deposit snatching, and more. Every interaction involved hours of discussion in Mandarin at full volume. If you have your heart set on renting an apartment, you’re going to need a Shenzhen friend to help you. They need to be on the ground and check the apartment for mold which is common and hazardous in this humid part of China.

Making:

Haggling at the electronics market. Photo credit: Bob Baddeley
You can get a seemingly infinite number of diverse electrical components at Hua Qiang Bei, but going in cold will overwhelm you. Before you make your trip go over your entire BOM (bill of materials) and attain part numbers for each component you’re trying to source along with detailed drawings. There are tons of stalls and many sell identical parts, go from stall to stall to find the best price. After I had developed a relationship with a vendor they gave me samples to test for free! It’s very rare you’ll be able to haggle prices. While at other marketplaces it’s easy to take the price down by half, if you use that tactic to bargain at Hua Qiang Bei you’re going to get your butt kicked. It’s usually only reasonable to take one RMB off if you buy in five components or more. Once you’re buying in the thousands you will

 

(Kriging_NSGA2)克里金模型结合多目标遗传算法求最优因变量及对应的最佳自变量组合研究(Matlab代码实现)内容概要:本文介绍了克里金模型(Kriging)与多目标遗传算法NSGA-II相结合的方法,用于求解最优因变量及其对应的最佳自变量组合,并提供了完整的Matlab代码实现。该方法首先利用克里金模型构建高精度的代理模型,逼近复杂的非线性系统响应,减少计算成本;随后结合NSGA-II算法进行多目标优化,搜索帕累托前沿解集,从而获得多个最优折衷方案。文中详细阐述了代理模型构建、算法集成流程及参数设置,适用于工程设计、参数反演等复杂优化问题。此外,文档还展示了该方法在SCI一区论文中的复现应用,体现了其科学性与实用性。; 适合人群:具备一定Matlab编程基础,熟悉优化算法和数值建模的研究生、科研人员及工程技术人员,尤其适合从事仿真优化、实验设计、代理模型研究的相关领域工作者。; 使用场景及目标:①解决高计算成本的多目标优化问题,通过代理模型降低仿真次数;②在无法解析求导或函数高度非线性的情况下寻找最优变量组合;③复现SCI高水平论文中的优化方法,提升科研可信度与效率;④应用于工程设计、能源系统调度、智能制造等需参数优化的实际场景。; 阅读建议:建议读者结合提供的Matlab代码逐段理解算法实现过程,重点关注克里金模型的构建步骤与NSGA-II的集成方式,建议自行调整测试函数或实际案例验证算法性能,并配合YALMIP等工具包扩展优化求解能力。
评论
成就一亿技术人!
拼手气红包6.0元
还能输入1000个字符
 
红包 添加红包
表情包 插入表情
 条评论被折叠 查看
添加红包

请填写红包祝福语或标题

红包个数最小为10个

红包金额最低5元

当前余额3.43前往充值 >
需支付:10.00
成就一亿技术人!
领取后你会自动成为博主和红包主的粉丝 规则
hope_wisdom
发出的红包
实付
使用余额支付
点击重新获取
扫码支付
钱包余额 0

抵扣说明:

1.余额是钱包充值的虚拟货币,按照1:1的比例进行支付金额的抵扣。
2.余额无法直接购买下载,可以购买VIP、付费专栏及课程。

余额充值