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OCV | AOCV | POCV | LVF

What are the differences

OCV（On-Chip Variation）： OCV 是指在晶片上的元件之間存在的製造變異。這種變異可能來自於製造過程中的不確定性，例如晶圓製造、成

Posted by Eirik on Monday, March 11, 2024

intimidate | threaten

What are the differences

Intimidate: He tried to intimidate his opponents with his imposing size and aggressive demeanor. 他試圖以他高大威猛的形象和積極的態度來威嚇對手。 Intimidate 通常指的是以某種方式使他人感到害怕或不安，可能是因為某人的外表

Posted by Eirik on Sunday, March 10, 2024

lewd | obscene | lustful | lascivious

What are the differences

這四個詞都是描述不雅或淫蕩的行為或內容 Lewd (不雅): 指的是那些涉及到性的、不雅的、不端的行為或內容。它可能包括性暗示、性行為的描寫或其他被認為

Posted by Eirik on Sunday, March 10, 2024

ostracize | sideline | marginalize

What are the differences

Ostracize： 排斥或排擠某人，通常是因為他們的行為或觀點不受歡迎。這種排斥可能是由群體共識或壓力所引起的。 After he spoke out against the company’s unethical practices, he was ostracized by his

Posted by Eirik on Sunday, March 10, 2024

pertain | regards

What are the differences

“Pertain” 和 “regards” 都是英文中用來表達關係或者涉及到的概念，但它們的用法和意義有所不同。 Pertain: 指某事物與某情況有關聯或相關。 The discussion pertains to the recent changes in company policy. (這次討論涉及

Posted by Eirik on Sunday, March 10, 2024

revenge | retaliation

What are the differences

Revenge 和 retaliation 都是指對某人或某事的報復行為，但它們之間有些微的差異： Revenge 更偏向於個人情感上的報復，通常是因為受到傷害或冒犯而尋求回應，往往是出於個人的

Posted by Eirik on Sunday, March 10, 2024

Shell Display Forwarding

Where to display the GUI?

在Shell環境中，DISPLAY環境變數用於指定X Server的位置，以便圖形應用程序知道在哪裡顯示它們的視窗。通常，DISPLAY環境變

Posted by Eirik on Sunday, March 10, 2024

stigmatize | insult

What are the differences

“Stigmatize” 和 “insult” 都是描述貶低或貶損某人或某事物的行為 Stigmatize (污名化): 指的是對某人或某群體加諸不公平的社會標籤，通常因為他們的特定特徵、行為或身份而導致被

Posted by Eirik on Sunday, March 10, 2024

underpin | consolidate

What are the differences

Underpin 通常指提供支撐或支持，以確保某事物的穩固或穩定。這可以是指物理上的支撐，也可以是指提供基礎或支持性質的抽象概念。例如： The study aims to underpin the theory with empirical evidence.

Posted by Eirik on Sunday, March 10, 2024

utter | say | convey | speak

What are the differences

TL;DR utter強調的是發出聲音或言語的行動 say則是用來表達一個具體的言論或意見 convey則指以各種方式傳達信息或感情 speak則是用來描述

Posted by Eirik on Saturday, March 9, 2024

Coffee

Cold brew 冷萃咖啡 以室溫或冰水萃取的咖啡製作方法，與熱水萃煮的熱咖啡不同，萃取時間更長，通常需要12至24小時的時間。 萃取的過程中，咖啡粉會與水慢

Posted by Eirik on Friday, March 8, 2024

Investment Terms

Angel Investment Stream 天使投資流，它是一種投資方式，通常指的是個人投資者或小型投資團體向初創企業提供資金支持的過程。這些投資者被稱為「天使投資者」，因為他們

Posted by Eirik on Friday, March 8, 2024

SVE | SME

What are the differences

SVE SVE，或可擴充向量擴充（Scalable Vector Extensions），是一種新的指令集架構，專為向量處理設計。向量處理是一種並行處理，可用於

Posted by Eirik on Friday, March 8, 2024

.war and .jar in Java

What are the differences

在Java語言中，.war 和 .jar 是兩種不同的壓縮文件格式，通常用於打包和部署Java應用程序。它們之間的主要區別在於它們的用途和內容： .war (Web Application Archive):

Posted by Eirik on Thursday, March 7, 2024

Mobile photography

How to take good photos via phone

設定 照片打開ProRes 手機攝影 三分線構圖法 黃金比例：看了很舒服的構圖 把物體放在左右下角的點上 或是這四個點上/附近 三角構圖 (人像) 勾勒出三角

Posted by Eirik on Wednesday, March 6, 2024

Clock Tree Synthesis

Different clock-tree synthesis architecture

CTS（Clock Tree Synthesis）、Multisource CTS 和時鐘網格（Clock Mesh）是在Digital IC design中用於時鐘

Posted by Eirik on Tuesday, March 5, 2024

Python

Cpython Py_INCREF() and Py_DECREF() While Py_INCREF() and Py_DECREF() are essential components of Python’s memory management system, they’re not the ideal way to directly count how many times a Python variable is used. Let me explain why and offer better alternatives: Role: These functions are at the heart of Python’s reference counting garbage collection. Py_INCREF(object): Increments the reference count of an object. This indicates that the object is in use and

Posted by Eirik on Tuesday, March 5, 2024

Real estates

Property tax Mortage loan Contract 不用理會口頭承諾 （Ｘ）貸款貸不到，現金補足，以繳價金沒收 （Ｏ）貸款貸不到，雙方合約無條件解除，以繳價金無條件返還 小心特約條款：「不

Posted by Eirik on Tuesday, March 5, 2024

xPU

CPU model and performance Naming cenvention Intel AMD Example Core-i7-10875H Ryzen 7-5800H Series Core-i7 Ryzen 7 Generation 10 5 Performance 875 800 Product line H H Series 對比 Level Intel AMD 入門 Pentium Athlon 低階 Core-i3 Ryzen 3 中階 Core-i5 Ryzen 5 高階 Core-i7 Ryzen 7 旗艦 Core-i9 Ryzen 9 Product line 對比 CPU Benchmark Product line Intel AMD 超低功耗

Posted by Eirik on Tuesday, March 5, 2024

DBMS Data Types

What are the differencess between: structured, unstrcutured, transactional and relational data

結構化數據 (Structured Data): 結構化數據是以固定格式和結構存儲的數據。通常，結構化數據可以使用表格或者數據庫中的行和列來表示。 例子：關係型數據庫中的表格、E

Posted by Eirik on Monday, March 4, 2024

Google cloud storage options

Google cloud provides 5 storage products: Cloud Storage Cloud SQL Cloud Spanner Firestore Cloud Bigtable 1. Cloud storage Google’s object storage product. It allows user to store any amount of data and retrieve it as often as needed. Fully managed scalable service that has wide variety of uses. Example: web archival and disaster recovery, website content, direct download. Primary use: Binary large-object storage (BLOB) Online contents: videos and photos Backup and archiving Storage of intermediate results object storage: store data as object but not as file and folder hierarchy(file storage), or as chunks of a disk(block storage)

Posted by Eirik on Monday, March 4, 2024

git rebase

Rebase branch and repositories

In your local clone of your forked repository, you can add the original GitHub repository as a “remote”. (“Remotes” are like nicknames for the URLs of repositories - origin is one, for example.) Then you can fetch all the branches from that upstream repository, and rebase your work to continue working on the upstream version. 到你 fork repository 的 local cloned area 中，你可以將原

Posted by Eirik on Saturday, March 2, 2024

JPLT skill

How to prepare JPLT in 6 month

N2 在日本求學、工作生活較適合 600-800 hr 學習 目標設定 N4 學習時間 晚上9-11 學習日檢 日文基礎 手寫五十音 手機背誦遊戲 單字：1500 字 文法： 大家的日本語初

Posted by Eirik on Friday, March 1, 2024

Shell commands

What are the differences

set -euo pipefail 在Shell script中，set -euo pipefail 是設置script的選項，它們影響script的行為。逐個解釋這些選項： -e 這個選項使得scrip

Posted by Eirik on Thursday, February 29, 2024

Shell script: 特殊語法解析

冒號、加號、減號、問號、括號的意義用法

在 Shell 腳本中，:-, :=, :?, :+, :n 是一些用於參數擴展和變量替換的特殊語法。這些語法有助於在不同情況下處理變量的值。以下是這些語法的詳細解釋： :- (Default value) 用

Posted by Eirik on Thursday, February 29, 2024

conduct | execute

What are the differences

Conduct 意義：「進行」、「執行」、「管理」。 The research team conducted experiments to test their hypothesis. （研究團隊進行實驗來測試他們的假設。） The CEO conducted the meeting to discuss the company’s future plans. （CEO主持了會議，討論

Posted by Eirik on Wednesday, February 28, 2024

interium | temporary

What are the differences

Interim 通常指的是在某個時間段或者某個事件之間的暫時性。它可能是在等待更長期或更永久性的解決方案之前的中間期間。這個詞通常用於指派職位或者擔任角色

Posted by Eirik on Wednesday, February 28, 2024

mitigate | alleviate | relieve

What are the differences

“Mitigate,” “alleviate,” 和 “relieve” 這三個詞都意指減輕或解決問題、困難或痛苦，但它們在用法上有些微的差異。 Mitigate：通常指採取行動來減輕或降低某種不利狀況、風險

Posted by Eirik on Wednesday, February 28, 2024

suppose | conjecture

What are the differences

“Suppose” 和 “conjecture” 都是用來表達假設或猜測的詞語，但它們之間有些微的差異。 “Suppose” 基於已知或可接受的前提下提出一個假設，通常假設是基於事實或常識的推論。它可能有

Posted by Eirik on Wednesday, February 28, 2024

Processes and jobs

What are the differencess

In Linux systems, “process” and “job” are two distinct concepts representing different units of execution. Here’s the difference between them along with some common examples: Process: A process is an instance of a program running in the operating system. Each process has its own memory space, code, data, open files, resources, and state. Processes are independent of each other and cannot directly access the memory space of other processes. A

Posted by Eirik on Tuesday, February 27, 2024

SSL | TLS | HTTPS

What are the differencess

Similarities: Security: Both SSL (Secure Sockets Layer) and TLS (Transport Layer Security) are protocols designed to provide secure communication channels over the internet, encrypting data during transmission to prevent interception or eavesdropping by third parties. Encryption Algorithms: SSL and TLS support various encryption algorithms, including symmetric encryption, asymmetric encryption, and digital signature algorithms, to ensure data confidentiality, integrity, and authenticity. Handshake Protocol: SSL and TLS both require a handshake protocol

Posted by Eirik on Friday, February 23, 2024

Various dbms

What are the differences

Relational Databases: Structured Data: Data is organized in tables with predefined structures, each table consisting of fixed columns and column types. SQL Query Language: Relational databases typically use SQL (Structured Query Language) for executing queries and managing data. Strong Consistency: They usually provide ACID (Atomicity, Consistency, Isolation, Durability) properties, ensuring data consistency and reliability. Vertical Scaling: They often employ vertical scaling, meaning adding more hardware resources to improve performance. Example

Posted by Eirik on Friday, February 23, 2024

appraise | evaluation

What are the differences

“Evaluate” and “appraise” are two terms that involve assessing something, but they have slightly different connotations and applications. Evaluate: This term implies a comprehensive assessment or analysis of something, often with the aim of understanding its worth, quality, effectiveness, or significance. Evaluation typically involves considering various factors, gathering information, and making judgments or conclusions based on criteria. It’s a broader term that can be applied in various contexts, such as

Posted by Eirik on Thursday, February 22, 2024

maintain | uphold

What are the differences

“Maintain” typically refers to the act of keeping something in a particular state or condition, often through regular efforts or actions. It can imply preserving, supporting, or caring for something over time. “Maintain” 通常指的是透過定期的努力或行動，將某物保持在特定的狀態或條件中。它可以暗示

Posted by Eirik on Thursday, February 22, 2024

OSI Model

Backbone of Device Networking

Router 可以處理Layer3 header，可稱為Layer3 Physical Layer: 如何把原始資料在Link 上傳輸，無論有線或無線 Coaxial cable (同軸電纜，外層包覆可降低電磁波

Posted by Eirik on Friday, February 16, 2024

HTML Basics

What are the differences

All HTML elements can have attributes The href attribute of <a> specifies the URL of the page the link goes to The src attribute of <img> specifies the path to the image to be displayed The width and height attributes of <img> provide size information for images The alt attribute of <img> provides an alternate text for an image The style attribute is used to add styles to an element, such as color, font, size, and more The lang attribute of the <html> tag declares the language of the Web page The title attribute defines some extra information about an element

Posted by Eirik on Tuesday, February 13, 2024

Mercurial and Git

What are the differencess

Mercurial and Git are both used for version control. Both Mercurial (Hg) and Git are popular distributed version control systems (DVCS), but they have some key differences in their approach: Branching Model: Mercurial: Employs a centralized branching model, meaning each branch has its own separate directory. Switching branches involves changing directories. This can be simpler for beginners but less flexible for complex workflows. Git: Uses a decentralized branching model, where

Posted by Eirik on Friday, February 2, 2024

Classic cocktail

Let's Bartending

調酒的基礎是基酒，基酒是指調酒的基底，通常占最大的比例，酒精濃度高，約在40~45%之間，且多為蒸餾酒。 常見的基酒種類如下： 琴酒（Gin）：

Posted by Eirik on Thursday, February 1, 2024

commitment | promise

What are the differences

A commitment holds more weight than a simple promise Emphasis on intent: Commitment signifies a genuine desire to fulfill the promise, suggesting sincerity and motivation. Focus on strength: Commitment implies a stronger promise than one can readily deliver, highlighting its ambitious nature. Contrast with indulgence: Commitment stands against indulgence, emphasizing dedication and perseverance as key differentiators. In essence, commitments go beyond empty promises, demonstrating a willingness to put in the

Posted by Eirik on Thursday, February 1, 2024

Tequila | Mezcal

What are the differences

Tequila and Mezcal: What are the differences? Tequila and mezcal are both Mexican spirits distilled from the agave plant. However, there are some key differences between them. Tequila Must be made from 100% blue agave plant. Can only be produced in five Mexican states: Jalisco, Nayarit, Guanajuato, Tamaulipas, and Michoacán. Typically distilled in stainless steel tanks. Usually unaged, but can also be aged in wooden barrels. Mezcal Can be made from any type of agave plant, but most commonly espadín agave.

Posted by Eirik on Thursday, February 1, 2024

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