♡ January 2021. Manhattan, NY. February 2021. Manhattan, NY. February 2021. Central Park, NY. February 2021. Manhattan, NY. February 2021. Manhattan, NY. February 2021. Manhattan, NY. March 2021. Manhattan, NY. April 2021. Washington, DC. Sorry, your browser doesn't support embedded videos. April 2021. Kennett Square, PA. May 2021. New York Botanical
photography 2020 这是我第一次写这样的Year in Review 在翻看之前拍的照片时也的确激起了之前美好的回忆 希望之后的一年年中也能延续这个习惯 1月 | Mission Peak, California 新年的第一次登高 和新老朋友一同 登顶湾区必去之Mission Peak 2月 | San Francisco City Hall, California 受邀见证了公司里最好的朋友之一的婚礼 祝福 3月 | MPK 21, California Star Trail 心血来潮拖着基友在公司楼顶瞎拍拍练习星轨合成 意外发现效果还行 可惜事后因为各种原因并没有再找个前景更好的地方拍摄星轨 也尝试过拿光污染更小的地方拍出来的星星照片合成星轨 可惜星星过多合成出的图有点鬼畜不适合密集恐惧症的人观看 4月 | California 其实不记得具体是4月还是5月了 在很长一段时间里都因为疫情非常自闭 终于被好友拖着出门Hiking了次 自此就再也宅不住了... 5月 | California 1, California 后疫情时代 和好友们周周hiking 6月 | Yosemite National Park, California 后疫情时代
music Artcore Camellia - Nacreous Snowmelt Artcore Experimental electronic music with acoustic instrumental leads. Not an officially defined genre, but commonly used as a blanket term for unique fusion music of electronic and classical elements. 最近突然意识到之前听过的很多歌曲都属于Artcore这一分类 仔细想想还是挺神奇的 这要从Beat Saber说起 因为沉迷自虐我下了一堆听音乐就感觉比较难的图 其中Nacreous Snowmelt就是我挺喜欢的用来热手的图 然后就发现这首歌的MV中有彩蛋 - 右上角会显示这一段的genre 0:00 ~ 1:02 Camellia 1:03
psychology Notes on "Introduction to Self-Determination Theory: An approach to motivation, development and wellness" Week 1 / What is Motivation; Intrinsic MotivationThree basic psychological needs according to the self-determination theory: Autonomy - willingly doing what you're doing; endorse your own actions.Competence - feel effective and capable in the activities that you're engaged in.Relatedness - feel connected with and belonging in the atmosphere in
music Synthesia - The hardest musical game I have ever played InstallationI'm using Fedora 30. The installation is straight forward with Wine (I'm using wine.x86_64 5.0-1.fc30). Btw don't try playonlinux although suggested by this post (reddit). I tried, installed playonlinux, installed a python 2 version dedicated for playonlinux, installed wxPython Phoenix 4.1 package, tried to fix
psychology Notes on "Introduction to Psychology" WIP Week 2 / Language acquisitionThe biological capacity to learn language has a clock on it. There's a critical period you have to do it, or you'll never be fully successful. This is true both for second languages and also studies of deaf children learning sign language for first languages. Week
finance Notes on "Financial Markets" WIP Efficient Portfolio Frontier Week 3 / InflationCPI: Consumer price indexInflation Indexed Debt Plotly | Data source: http://www.econ.yale.edu/~shiller/data.htm Week 4 / The Bubble CAPECAPE: Cyclically Adjusted Price Earnings Ratio P/E10TR CAPE: Cyclically Adjusted Total Return Price Earnings Ratio TR P/E10 Plotly | Data source: http:
photography Star Trail 2020.03.02 (First Attempt)Location: Rooftop@MPK 21, Menlo Park, CA (just a random place around Zone 8) Shot: Camera: Sony A7II (with application: Time-lapse, link)Focus Mode: Manual Focus (focal distance is close to ∞)ISO: 100Shutter speed: 10 sAperture: f/1.4Interval: 15 sShots: 120Duration: 00:29:45Editing:
biology COVID-19 Last updated: 2020-05-24 Origin Skip Sequence 2019-nCoV. BLAST SARS-CoV RaTG13 (中华菊头蝠, 云南) Spike (S) protein <75% [2] 93% [2] Envelope (E) protein Membrane (M) protein Nucleocapsid (N) protein Sequence - SARS-CoV [3] S: showed positive selection pressures Orf1a: showed positive selection pressures Orf8: majorty deletion; indicating unimportant TODO: verify
causal inference Notes on "The Book of Why" Confounder and Mediator (Chapter 4) Control for a mediator (e.g., add to a regression model) could block the effect between the treatment and the outcome. You should only control for $Z$ if you have a "strong prior reason" ... This "strong prior reason" is nothing more
reinforcement learning The Multi-Armed Bandit Problem Problem Setup The multi-armed bandit problem can be described as a Markov decision process, a tuple $\langle \mathcal{X}, \mathcal{A}, \mathcal{P}, \mathcal{R}, \gamma \rangle$, with only one state. $\mathcal{X} = {x}$ is a finite set of states $\mathcal{A}$ is a finite set of actions $\mathcal{P}
