Learning to be good at thinking, thinking, thinking.

The UML (Unified Modeling Language) is a general-purpose, developmental, modeling language in the field of software engineering that is intended to provide a standard way to visualize the design of a system. This article is a guide for us to learn this important tool in software engineering. Tools There are many tools for implementing UML, h... Read More

‘C-‘ means use the CTRL key. ‘M-‘ means use the Meta (or Alt) key. C-x C-c: Exit Emacs session C-x k: Kill buffer C-x u: Undo changes C-x C-f: Find file C-x b: Switch buffer C-x 0: Delete window C-x 1: Delete other windows C-x 2: Split the current window horizontally C-x 3: Split the current window ... Read More

There is an old saying that America and Britain are “two nations divided by a common language.” No one knows exactly who said this, but it reflects the way many Brits feel about American English. Pronunciation after (ˈæftər / ˈɑːftə) beta (ˈbeɪtə / biːtə) common (ˈkɑː.mən / ˈkɒm.ən) computer (kəmˈpjuːtər / kəmˈpjuːtə) current (ˈkɜːr... Read More

If I asked you how do you learn? More importantly, is your method efficient and productive? Would it be easy for you to outline a response? To try to find answers to these questions, the Feynman Technique might just be the best way to learn absolutely anything. What’s the Feynman Technique? The technique was devised by Richard Feynman (1918–19... Read More

How many times have your SSH session suddenly interrupted while using SSH, and then you have to reconnect it. Of course, the simplest solution is to use the arrow keys to retrieve the previous command, and then press the Enter key. This trick you have enjoyed for many years, is there a more elegant solution? Today, I will introduce you a better... Read More

History SQL-92 Standard It’s tied to the relational idea, and consists of 2 important sub ideas. 1.Relational Data Model (Schema Design) “Atomic” types (Domain) Table with rows and columns consist of cells Each cell is one value of an atomic type (string, number, date…) Schema independent of processing purposes ... Read More

Linux (UNIX) machines can also browse and mount SMB shares. Note that this can be done whether the server is a Windows machine or a Samba server! I boil down the essentials in an easy-to-follow post. The difference between CIFS and SMB SMB stands for “Server Message Block”. It’s a file sharing protocol that was invented by IBM and has been aro... Read More

If you want to mount remote file system on local for purposes like exploring, programing, etc, I think this step-by-step guide on how to mount remote Linux filesystem would be helpful for you. Mount Remote LINUX Filesystem To mount remote Linux filesystem, you can use a tool named sshfs. SSHF is a network filesystem client for mounting remote ... Read More

This handbook is a topically organized book of reference on music theory that I learned. Melody Melody is the soul of music There’re many ways to write a melody It’s complicated as many factors to consider The theme of music The characteristics of the audience The emotions that it wants to express Interv... Read More

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