从 Lemon8 应用程序下载视频和图库的最简单方法
桌面:右键单击并选择“将链接另存为...”进行下载。
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If you are interested in Computer Science, these FREE courses from Stanford make learning easy and accessible for everyone:
1. Algorithms: Design and Analysis, Part 1. In this course you are going to learn about:
* "Big-oh" notation
* Sorting and searching
* Divide and conquer (master method, integer and matrix multiplication, closest pair)
* Randomized algorithms (QuickSort, contraction algorithm for min cuts)
* Data structures (heaps, balanced search trees, hash tables, bloom filters)
* Graph primitives (applications of BFS and DFS, connectivity, shortest paths)
2. Databases: Relational Databases and SQL. In this course you are going to learn about:
* Relational Databases and SQL
* Advanced Topics in SQL (prerequisite: Relational Databases and SQL)
* OLAP and Recursion
* Modeling and Theory
* Semistructured Data
3. Computer Science 101. In this course you are going to learn about:
* The nature of computers and code, what they can and cannot do
* How computer hardware works: chips, cpu, memory, disk
* Necessary jargon: bits, bytes, megabytes, gigabytes
* How software works: what is a program, what is "running"
* How digital images work
* Computer code: loops and logic
* Big ideas: abstraction, logic, bugs
* How structured data works
* How the internet works: ip address, routing, ethernet, wi-fi
* Computer security: viruses, trojans, and passwords, oh my!
* Analog vs. digital
* Digital media, images, sounds, video, compression
What would you like to learn next?
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