Categories
- Matrix Inverse 2023.01.19
- linear equation, dot product, transformation, matrix multiplication, block multiplication 2023.01.19
- Matrix Addition, Scalar Multiplication, and Transposition, Matrix-Vector Multiplication 2023.01.19
- basic principles of html (for beginners) 2022.08.18
- Random Walks; Brownian Motion, Einstein & Perrin 2022.08.18
- [TIME-BUSINESS] "Hundreds of CEOs Came Out Against Russia. Their Involvement Could Change War Forever" 2022.08.18
Matrix Inverse
2023. 1. 19. 11:09
linear equation, dot product, transformation, matrix multiplication, block multiplication
2023. 1. 19. 11:08
'Maths > Introduction to Linear Algebra' 카테고리의 다른 글
Matrix Addition, Scalar Multiplication, and Transposition, Matrix-Vector Multiplication
2023. 1. 19. 11:05
'Maths > Introduction to Linear Algebra' 카테고리의 다른 글
basic principles of html (for beginners)
2022. 8. 18. 22:48
HTML editor apps
: Sublime Text (personally recommend this app / available in MacOS), WebMaster's HTML Editor Lite, AWD, DroidEdit, etc
Very first steps to start html (on Mac)
Launchpad > Open 'TextEdit' > Create new document > Change the name of file as 'index.html' (it's fine to leave the document blank) > Go to 'Finder' > Click the file > Click 'Action' (at the top of a Finder window) > Click 'Open with' > Select 'Sublime Text'
Basic code to run the html code
(type something)
(type something)
*tag: <head> abcd </head>
- keywords which defines that how web browser will format and display the content
- HTML tags contain three main parts: opening tag, content and closing tag (never forget typing closing tag!)
- .abcd in css part (style tag) is associated with <div class="abcd"> ... </div> in html part (body tag)
Basic ten tags of html
- <html> … </html> | The root element
- <head> … </head> | The document head
- <title> … </title> | The page title
- <body> … </body> | The page's content
- <h1> … </h1> | A section heading.
- <p> … </p> | A paragraph
- <a> … </a> | A link -- ex) <a href="(type the link you want to link)"> (description of the link) </a>
- <img> | An image (this tag doesn't have a closing tag) -- ex) <img src="(name of the photo.jpg/png)" width="200" height="200">
You can add more effects on your tags
Code 1
<a> Hwayeon Kang </a>
Result 1
Hwayeon Kang
Code 2
<p style="color: blue;"> Hwayeon Kang </p>
Result 2
Hwayeon Kang
Additional useful tags
- <span> ... </span> wrap the entire text in the file
- <table> ... </table> provide the layout
- <i> ... </i> italicize the text
- <strong> ... </strong> put the text into bold
- <ul> ... </ul> posts the limits with bullets on the website
- <li> ... </li> pass a list inside a list
** ul and li tags are often used as together like the following example
- fictional
- classic
- mystery
For more tags, visit https://www.w3schools.com/tags/default.asp
HTML Reference
W3Schools offers free online tutorials, references and exercises in all the major languages of the web. Covering popular subjects like HTML, CSS, JavaScript, Python, SQL, Java, and many, many more.
www.w3schools.com
If you cannot understand this post, I recommend you to watch this youtube video.
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Random Walks; Brownian Motion, Einstein & Perrin
2022. 8. 18. 22:40
[TIME-BUSINESS] "Hundreds of CEOs Came Out Against Russia. Their Involvement Could Change War Forever"
2022. 8. 18. 22:33
By Belinda Luscombe, March 11, 2022 10:47 AM EST
Link: https://time.com/6155725/corporations-war-russia-ukraine/
The Pros and Cons of Letting Companies Fight Our Wars
When hundreds of companies self-sanctioned Russia by pulling out their business in March, CEOs became more involved in geopolitical conflict than ever before.
time.com
Summary
Traditionally, businesses have become accustomed to "de-risking" or "over-complying" with international sanctions. However, the invasion of Russia to Ukraine has changed their stances. The NATO countries and related western nations have brought pressure to bear on Russia: financial and economic penalties, which had never been levelled against a country with such a large GDP before.
What has surprised sanctions experts are as follows: the number of corporations exiting, and the speed they moved out.
Leaving of credit card companies, media companies, management firms, tech giants, and banks are understandable. But the remarkable exits were made by energy companies -BP, Shell, Exxon-, whose major partner/market is Russia. It's a big deal.
The net effect of them is that the Russian government sanctions have almost become a moot point, so-called "chicken and egg story"; if enough businesses abandon the Russian market on their own, the Russian market is also going to shrink.
Plus, it's hard to expect help from China since major Chinese financial institutions such as UnionPay haven't made a welcoming action towards Russian institutions, Sberbank and Tinkoff.
One concern with a written situation is the future moral considerations by companies who left Russia; whether making a stand on behalf of the Uighurs, the Rohingya, or other oppressed people.