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IEEE754 floating-point representation

September 29, 2018 seancheey random talks Leave a comment

IEEE754 floating-point representation Number representation Floating point system sign bit exponent bit fraction bit(mantissa) 32-bits 1 8 23 64-bits 1

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Use Python pandas to convert between DataFrame and SQL

August 2, 2018 seancheey database Leave a comment

Use Python pandas to convert between DataFrame and SQL 1: Python dependency installation 2: Convert from SQL to DataFrame 3:

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Creating MySQL Database on local macOS

August 1, 2018 seancheey database Leave a comment

Creating MySQL Database on local macOS 1: Download MySQL 2: Connect to MySQL 3: Create a new database 1: Download

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Configuring V2Ray/Shadowsocks subscribe function on Linux Server

July 28, 2018 seancheey server construction Leave a comment

Configuring V2Ray/Shadowsocks subscribe function on Linux Server 1: Configuration format 2: Encoding mechanism 3: Put the sharing text on web

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Construct WebDAV server on Ubuntu

July 26, 2018 seancheey server construction Leave a comment

Construct WebDAV server on Ubuntu 1: Install Apache2: 2: Configure Apache2: 3: Create user and virtual machine directory: 4: Create

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One Stupid Python mistake I made

July 23, 2018 seancheey random talks Leave a comment

Last night I was doing a LeetCode question about Sudoku, when I wanted to generate a list of 9 empty

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Configuring V2Ray on Linux Server

July 22, 2018 seancheey server construction Leave a comment

  Configuring V2Ray on Linux server 1: Install V2Ray with official shell script: 2: Edit /etc/v2ray/config.json: 3: Start the V2Ray

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Numpy array functions

June 2, 2018 seancheey machine learning Leave a comment

Numpy array functions Numpy array functions 1: Creating array/matrix 2: Getting shapes of numpy array/matrix 3: Reshaping array/matrix Numpy array

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Using SQLite in swift4

June 2, 2018 seancheey database, swift Leave a comment

1: Importing SQLite3 In swift 4 xcode 9, the only thing you need to do is this line. Simple. import

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