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[ASK] Convert Color/Black to White - ImageMagick
To see what is going on, extract the alpha channel and the background image using
CODE: SELECT ALL

convert donut_black.png -alpha off donut_black_background.png
convert donut_black.png -alpha extract donut_black_alpha.png
explained  png  tool  color 
september 2018 by aries1988
RSSHub
🍰 万物皆可 RSS RSSHub 是一个轻量、易于扩展的 RSS 生成器, 可以给任何奇奇怪怪的内容生成 RSS 订阅源 鸣谢
tool 
september 2018 by aries1988
A Beautifully Productive Terminal Experience
Every developer can benefit from using the command line. Whether you use it to bounce between projects or create complex scripts, getting familiar with the c...
bash  tool 
september 2018 by aries1988
Why I prefer the iPad Pro to my Mac for importing and editing photos | iMore
4. The iPad opens up Pixelmator automatically with my image inside it; I use the Apple Pencil to eradicate any stray pet hair or dust motes with Pixelmator's Repair tool, and adjust color if necessary.
5. I tap "Open in Another App", choose my format (JPG), and run my "Resize, name, and upload to iCloud Drive" workflow that resizes the image, names it, and uploads it to iCloud Drive.
photography  tool  iPad  apple  workflow 
september 2018 by aries1988
Stephen  on Twitter
“youtube-dl 真好用~支援一大堆網站影片下載,YouTube、B 站、蘋果日報、愛奇藝通通有~”
tool  bash  download  youtube  video 
september 2018 by aries1988
pwxcoo/chinese-xinhua
中华新华字典数据库。包括歇后语,成语,词语,汉字。提供新华字典API。. Contribute to pwxcoo/chinese-xinhua development by creating an account on GitHub.
api  tool  chinese  dictionary 
august 2018 by aries1988
Letter of Recommendation Clock Radios
Abandon your phone’s alarm and wake up with the rest of the living world.

It’s almost too obvious to point out, but the radio, by contrast, is different at every moment, forever. So on any given morning, a clock radio may give you any variety of human voices, or Beethoven’s Sixth, or “Baba O’Riley.” Sometimes you wake up to a marvelous serendipity, like a plane song on the morning of a flight. How many people have woken up to “I Got You Babe” and just cracked up? (If I ran an oldies station, we would play that song at the same time every morning.) But the radio won’t jolt you — if you want a mellow break with slumber, you set your radio to a public news or classical station; if you dig guitar solos, you set it to classic rock. We take radio’s blend of predictability and surprise as a given, though such formatting was invented by programmers in the ’60s because they recognized that this formula gives us cognitive, even visceral pleasure.

A phone alarm is pinched and paltry — it merely says, “Hey, it’s that time. ... ” Whereas radio, coming from somewhere else through the freaking air, is a portal to the living world, and an invitation to rejoin it. After all, some of your fellow citizens — bakers, truckers, nurses — are up already and hearing that same sound at the same time as you while they go about their business. Maybe they’re even talking about what’s on or singing along to a shared favorite. I believe that when we hear the radio, we intuit this social activity on some level, and that it’s compelling and subliminally motivating, if not slightly shaming — sometimes it takes a village to raise a child. That is, to raise a grown child. From bed.
morning  clock  radio  tool  comparison  moi  everyday 
august 2018 by aries1988
Accueil - Bloctel
Bienvenue sur Bloctel, la liste d'opposition au démarchage téléphonique, gratuite pour les consommateurs
moi  tool  life  france  ad  phone 
july 2018 by aries1988
阅读神器Marginnote,你值得拥有
首先通过标注生成的卡片只有原文(区域①),我一般是概括总结下原文形成标题(区域②),然后发散地写一下感想与心得(区域③),让新的知识和我已经知道的知识缝合在一起。这样针对一个知识点,既有总结又有发散,就做到了华罗庚所说的“把厚书读薄,把薄书读厚”。首先通过标注生成的卡片只有原文(区域①),我一般是概括总结下原文形成标题(区域②),然后发散地写一下感想与心得(区域③),让新的知识和我已经知道的知识缝合在一起。这样针对一个知识点,既有总结又有发散,就做到了华罗庚所说的“把厚书读薄,把薄书读厚”。

可以用卡片颜色来区分不同类型的卡片,这个是自定义的。

这是我目前的颜色定义:
淡黄色:概念卡
淡绿色:技巧行动卡
桃红色:反常识卡
橙黄色:人名卡或故事例子卡
湖蓝色:金句美学卡
紫红色:术语模因卡
中灰色:原文论述正确性存疑。

卡片定义了颜色或者打上标签(Hashtag), 方便集成并提取相同主题的卡片,再也不用逐个笔记去翻阅了。

要说的一个小技巧就是:我经常是用浏览器自带的阅读模式,屏蔽广告,纯净阅读。因为有时候下载web时会有乱码或其他我不想要的内容,所以我是打印网页为PDF。用Safari打印网页后,双指放大要打印的页面,右上角才会出现个“分享到MN”。

MN的回忆模式能模糊原文而且卡片能只显示标题。这样就可以在印象中对着标题或关键词,主动回忆原文内容,尝试用自己的话来表述。这样不仅能加深记忆,而且写作时有了很多预制的素材。
tips  tool  reading  notes  pkm  marginnote 
july 2018 by aries1988
MarginNote (以下简称MN)在iPad Pro 12.9+ Apple Pencil使用效果最好 - 技术学习 - 文通网 - 有思想的网络收藏夹
所以,整个app的运作方式就是: (1)阅读pdf (2)在pdf上做批注 (3)整理card形成mindmap (4)在card里加入自己的思考理解 (5)用cards进行复习

笔记的颜色可以用来表现内容的种类。比如对我学数学来说,我一般会用黄色表示定义或注释(Defination/Remark),蓝色表示性质(Property),绿色表示具体例子(Example),红色表示重要的定理(Theorem)。建议常用的颜色不要超过4种,因为笔记工具栏恰有4种颜色快捷按钮。且颜色多了增加了选择复杂性,没必要。
iPad  notes  tool  marginnote 
july 2018 by aries1988
在 D 版发过了,不过因为不少朋友看不到 D 版,我就放在这里吧,说说我最近做的这个 Project - V2EX
分享创造 - @coolwulf - 去年的时候,我一个在芝加哥比我小几级的南京大学校友去世了。乳腺癌,发现得晚了,才 34 岁,留下了一个 4 岁的孩子。非常可惜。想想能不能做点什么事情可以帮助大众来提高乳腺癌的早期检测成功率。因为如果
ai  health  online  cancer  tool 
june 2018 by aries1988
How I use Day One — and an aside about the differences between Bear and Day One – The Sweet Setup
Bear is great at being a giant scrapbook of useful (and useless!) thoughts and ideas. I throw anything and everything into Bear and use Bear to house all sorts of information and data to search and use at a later time. I keep all my notes tagged with a general topic (like “finance” or “home/renovations”) to keep things organized and easy to find. And I generally jump into Bear four or five times a day to keep my notes organized.

1. If the note is a task or event, it gets sent to Things or Fantastical.
2. If the note is an idea I want to pursue for my personal blog or for The Sweet Setup, I send the idea from Bear to Ulysses.
3. If the note is a personal memory or something I want to speak about to my future self, I send the note to Day One.
4. If the note doesn’t fit into any of the above categories, it’s left in Bear and sits there for future reference.

Day One, in my little world, is my little world — a largely information-free area that has sentimental value and that is ripe with personal conversations. Day One is, and has always been, the app that best embodies me. I don’t think I see a day where Day One is not part of my larger data workflow.
workflow  pkm  iOS  apple  notes  diary  self  future  tool  comparison 
june 2018 by aries1988
[Bash] Convert Video to Animated GIF - Pastebin.com
ffmpeg -i input -vf scale=320:-1:flags=lanczos,fps=10 frames/ffout%03d.png
 
#Then use convert (or gm convert if you prefer GraphicsMagick) to make your animated GIF:
convert -loop 0 frames/ffout*.png output.gif
gif  linux  tool 
may 2018 by aries1988
瓣读-与豆网同步,文字识别记读书笔记 (iPhone / iPad)(豆瓣-App下载_图片_评论)丨豆瓣评分 8.2
瓣读-与豆网同步,文字识别记读书笔记的评测,下载,截图,评分,讨论,帮助你判断是否好用,发现更多相似好应用,最新流行应用
iOS  book  reading  notes  tool 
may 2018 by aries1988
读书笔记
豆瓣读书笔记第三方客户端
douban  pkm  book  notes  notebook  tool  mac  chrome 
may 2018 by aries1988
Code::Blocks
Codeblocks is a cross-platform IDE built around wxWidgets, designed to be extensible and configurable. Runs on Windows and Linux.
ide  linux  tool 
may 2018 by aries1988
How the Index Card Cataloged the World

Carl Linnaeus, the father of biological taxonomy, also had a hand in inventing this tool for categorizing anything. An Object Lesson.

The index card was a product of the Enlightenment, conceived by one of its towering figures: Carl Linnaeus, the Swedish botanist, physician, and the father of modern taxonomy.

The Swedish scientist is more often credited with another invention: binomial nomenclature, the latinized two-part name assigned to every species.

species, genus, family, order, class, phylum, and kingdom.
enlightenment  tool  nature  knowledge  epistemic  botany  research  history 
december 2017 by aries1988
Letter of Recommendation: iNaturalist - The New York Times

Most of us are oblivious to this winged panoply, even in our own backyards, because our perception is circumscribed by our ecological illiteracy. Learning the names of our many wild neighbors is an exercise in perspective and empathy, transforming the outdoors from a pastoral backdrop into a world of parallel societies inhabited by diverse creatures, each with its own character and career.
nature  love  apps  life  knowledge  howto  tool  opinion  earth  epistemic 
december 2017 by aries1988
OpenFOAM-4.x/foamSequenceVTKFiles at master · OpenFOAM/OpenFOAM-4.x
# Description
# Creates symbolic links to all VTK files in a post-processing directory
# Links form a sequence like name.0000.vtk, name.0001.vtk, etc.
# Paraview recognises link names as a sequence which can be animated.
# The sequence of links can be used to create a video from the images.
# - Default directory name for VTK files is postProcessing
src  post  paraview  video  tool  ofm 
november 2017 by aries1988
Letter of Recommendation Caceroladas
A community banging its pots and pans together as a democratic showing of discontent.
espagna  people  street  politics  demonstration  tool 
november 2017 by aries1988
aschn/gnuplot-colorbrewer: ColorBrewer color schemes for gnuplot
An easy way to use the beautiful color schemes at ColorBrewer in the handy command-line plotting program gnuplot.

All ColorBrewer color schemes that include at least 8 colors are included. Each color scheme provides 8 discrete colors and a continuous color palette. See the examples directory for sample code and output.
visualization  gnuplot  color  palette  tool 
november 2017 by aries1988
Roughness Map - WAsP - Global Mapper Forum
There isn't a special solution for this yet (we were kind of hoping WaSP would make their handling of roughness areas easier to use to avoid a messy workaround, but I don't know if this will happen). The best workaround for now is to create the buffers with a small negative distance to shrink the roughness areas so they don't touch each other since this is the problem. Really with roughness areas the ROUGH_L and ROUGH_R don't make sense as you really just need a roughness value inside the area and other areas can cover the outside areas, but Wasp doesn't quite work that way. Because of this the ROUGH_R value will be the roughness inside the area (for clockwise areas) and you can then edit the ROUGH_L to be an invalid roughness for the very tiny stripe between areas after shrinking them.
explained  tool  terrain  data  md  ofm 
october 2017 by aries1988
Contrib/PyFoam - OpenFOAMWiki
A python library to control OpenFOAM-runs and manipulate OpenFOAM-data. Comes with a number of utilities that should make your life easier if you're not scared by commandlines
tool  python  ofm 
october 2017 by aries1988
hananel/roughnessToFoam: An application for transforming a z0 distribution in map file format (WAsP format) into openFoam nut boundary condition (in simpleFoam nutkAtmRoughWallFunction). This code is a copy of Xabier Pedruelo Tapia's published MsC work wi
An application for transforming a z0 distribution in map file format (WAsP format) into openFoam nut boundary condition (in simpleFoam nutkAtmRoughWallFunction). This code is a copy of Xabier Pedruelo Tapia's published MsC work with minor editing an python wrapping - links in the page wiki
roughness  tool  ofm 
october 2017 by aries1988
Sig WindE/Validation Cases - OpenFOAMWiki
The aim of this page is to hold validation cases for ABL (Atmospheric Boundary Layer) flows that are of interest to anybody starting to model ABL flows in OF. The simulations I perform, and refer to mainly in this text are RANS with k-epsilon turbulence closure models, using simpleFoam. Most of the first simulations that are placed in this page were done according to the excellent Martinez 2011 Ms.C. thesis [1] All of the boundary conditions and mesh creation suggestions were followed by from his work and the references within it.
validation  example  tool  data  ofm 
october 2017 by aries1988
NinjaFOAM Overview · firelab/windninja Wiki
Write blockMeshDict. During this step, xmin, xmax, ymin, ymax, zmin, zmax are read/calculated from the DEM unless the run was initiated with an STL file, in which case the necessary terrain information is read from log.json. This is the bounding box for blockMesh.
terrain  tool  mesh  ofm 
september 2017 by aries1988
WindNinja | Fire, Fuel, and Smoke Science Program
WindNinja is a computer program that computes spatially varying wind fields for wildland fire application.
usa  fire  government  tool  mobile  ofm 
september 2017 by aries1988
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