Posts by Category

Goal 로그란 어떤 것인지 알아보자 로그가 분산시스템과 실시간 데이터 처리에 있어서 어떻게 활용되는지 알아보자 다음 글은 링크드인 엔지니어링에 기재된 The Log: What every software engineer should know about real-time...

[Django] Download files

1 분 소요

Goal How to impletement the function which support file download in Django

[Django] Setup virtual enviroment

최대 1 분 소요

Goal How to setup Python virtual environment

[Django] Invalid HTTP_HOST header: ‘[HOST]’. You may need add ‘[HOST]’ to ALLOWED_HOSTS

최대 1 분 소요

Goal To solve “Invalid HTTP_HOST header: ‘[HOST]’. You may need add ‘[HOST]’ to ALLOWED_HOSTS”’ problem.

[Django] REST API server with Redis

2 분 소요

Goal To make REST API server for IoT To interface with Redis

[Django] ImportError: Couldn’t import Django. Are you sure it’s installed and available on your PYTHONPATH envrionment variables? Did you forget to activate a virtual environment?

최대 1 분 소요

Goal To know why this problem occurs To solve this problem

[Django] Invalid HTTP_HOST header 문제 해결

최대 1 분 소요

Goal 클라이언트에서 접속 시, 발생하는 ‘Invalid HTTP_HOST header’ 문제 해결

[Django] Djang Startup Tutorial #2 - App 생성 View / Mapping

최대 1 분 소요

Goal Django Framework를 사용법 숙지 Django App 생성 App View 작성 & URI 매핑

[Django] Djang Startup Tutorial #1 - Install Django & Create Project

최대 1 분 소요

Goal Django Framework를 사용법 숙지 Django 설치 및 프로젝트 생성

[Docker] Run MariaDB container and edit configuration

최대 1 분 소요

Goal To run MariaDB container To edit DB configuration including memory parameter and connector

[Docker] How to expose ports on live containers

최대 1 분 소요

Goal To add port exposure on running container

[ESP32] How to flash a firmware into ESP32(LOLIN D32 PRO ver.2.0.0) on MacOS?

2 분 소요

Goal Flash firmware into ESP32

[Eclipse] Eclipse 실행 JVM 변경하기

최대 1 분 소요

Goal 기본 실행 Java 버전 변경 후, Eclipse 실행 오류 해결

[Eclipse RCP] How to fix encoding problem when builing a progrma

최대 1 분 소요

Problem After building my application, text(Korean) in labels were cracked

[Logstash] Getting started with Logstash

2 분 소요

Goal Learn about Logstash and install in Linux. Move data from MariaDB to Elasticsearch.

[Telephone English] Learning English by phone #032

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전화영어 - Day 032 (20190618)

[Telephone English] Learning English by phone #030

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전화영어 - Day 030 (20190530)

[Telephone English] Learning English by phone #029

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전화영어 - Day 029 (20190528)

[Telephone English] Learning English by phone #028

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전화영어 - Day 028 (20190525)

[Telephone English] Learning English by phone #027

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전화영어 - Day 027 (20190523)

[Telephone English] Learning English by phone #026

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전화영어 - Day 026 (20190516)

[Telephone English] Learning English by phone #025

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전화영어 - Day 025 (20190514)

[Telephone English] Learning English by phone #024

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전화영어 - Day 024 (20190509)

[Telephone English] Learning English by phone #023

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전화영어 - Day 023 (20190504)

[Telephone English] Learning English by phone #022

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전화영어 - Day 022 (20190502)

[Telephone English] Learning English by phone #021

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전화영어 - Day 021 (20190430)

[Telephone English] Learning English by phone #020

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전화영어 - Day 020 (20190427)

[Telephone English] Learning English by phone #019

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전화영어 - Day 019 (20190425)

[Telephone English] Learning English by phone #018

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전화영어 - Day 018 (20190423)

[Telephone English] Learning English by phone #017

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전화영어 - Day 017 (20190418)

[Telephone English] Learning English by phone #016

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전화영어 - Day 016 (20190416)

[Telephone English] Learning English by phone #015

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전화영어 - Day 015 (20190413)

[Telephone English] Learning English by phone #014

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전화영어 - Day 014 (20190411)

[Telephone English] Learning English by phone #013

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전화영어 - Day 013 (20190409)

[Telephone English] Learning English by phone #012

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전화영어 - Day 012 (20190404)

[Telephone English] Learning English by phone #011

2 분 소요

전화영어 - Day 011 (20190402)

[Telephone English] Learning English by phone #010

2 분 소요

전화영어 - Day 010 (20190330)

[Telephone English] Learning English by phone #009

2 분 소요

전화영어 - Day 009 (20190328)

[Telephone English] Learning English by phone #008

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전화영어 - Day 008 (20190326)

[Telephone English] Learning English by phone #007

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전화영어 - Day 007 (20190321)

[Telephone English] Learning English by phone #006

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전화영어 - Day 006 (20190319)

[Telephone English] Learning English by phone #005

1 분 소요

전화영어 - Day 005 (20190316)

[Telephone English] Learning English by phone #004

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전화영어 - Day 004 (20190312)

[Telephone English] Learning English by phone #003

1 분 소요

전화영어 - Day 003 (20190309)

[Telephone English] Learning English by phone #002

2 분 소요

전화영어 - Day 002 (20190307)

[Telephone English] Learning English by phone #001

2 분 소요

전화영어 - Day 001 (20190305) * This is the first time to meet Ace.

[GitHub] GitHub Tutorial - #001 What is Git/GitHub?

1 분 소요

Goal Git/GitHub는 무엇인가? Git/GitHub에서 사용되는 기본적인 개념 파악

[GitHub Page] Jekyll에 Disqus 적용하기

최대 1 분 소요

Goal Jekyll에 Disqus를 이용하여 Post 댓글 기능 구현

[Android] How to show whole world in android google map api

최대 1 분 소요

Goal Android에서 Google Map API를 통해 전세계 지도를 한 눈에 보기

[Hive] New features on Hive 3.0

4 분 소요

Goal The new features of Apache Hive 3.0

[MacOS] Homebrew로 특정 OpenCV 설치

최대 1 분 소요

Goal Homebrew를 이용하여 특정 OpenCV 버전을 설치

[IELTS Writing] #0002 TASK 1 - Households owning and renting accommodation in England and Wales 1918 to 2011 (Bar Graph)

2 분 소요

Topic

[IELTS Writing] #0001 TASK 2 - Living in a country where you have to speak a foreign language can cause serious a social problems, as well as practical problems (Agee/Disagree)

2 분 소요

Topic

[Python] SELECT data from InfluxDB

최대 1 분 소요

Goal To select data from InfluxDB

[IoT] What is MQ2?

1 분 소요

Goal What is MQ2 How to operate Practice What is MQ2 MOS(Metal Oxide Semiconductor) type gas sensor Can detect LPG, Smoke, Alcohol, Propane, Hy...

[ESP32] How to flash a firmware into ESP32(LOLIN D32 PRO ver.2.0.0) on MacOS?

2 분 소요

Goal Flash firmware into ESP32

[Java] Jackson JSON ‘Unrecognized token ***

1 분 소요

Problem I receive JSON data from Django REST Server However, it caused ‘Unrecognized token’ error In my case, this error occured by ‘True’ and ‘None’ ...

[Java] Java System Properties

2 분 소요

Goal Java System Properties의 사용용도 알아보기 기본 시스템 Properties의 항목들을 알아보기

[Java] OpenCV Tutorial

2 분 소요

Goal OpenCV 를 통한 비디오 재생 구현

[Java] Java Thread States

최대 1 분 소요

Goal Java Thread 상태의 종류를 알아보자 Thread의 상태는 언제 변화하고 어떻게 변화하는지 알아보자

[Java] HashMap은 어떻게 동작하는가?

최대 1 분 소요

Goal Java의 HashMap이 어떤 원리로 동작하는지

[Java] How to ping in Java

최대 1 분 소요

Goal Java에서 Ping 구현

[Java] NIO DatagramChannel Tutorial

2 분 소요

Goal Java NIO DatagramChannel을 이용하여 UDP Send/Receive 구현

[GitHub Page] Jekyll에 Disqus 적용하기

최대 1 분 소요

Goal Jekyll에 Disqus를 이용하여 Post 댓글 기능 구현

[Java] Jackson JSON ‘Unrecognized token ***

1 분 소요

Problem I receive JSON data from Django REST Server However, it caused ‘Unrecognized token’ error In my case, this error occured by ‘True’ and ‘None’ ...

[MacOS] How to save as a image file from Keynote

최대 1 분 소요

Goal Save images or figures in a Keynote page as image file by Preview.app

[Linux] How to remove specific files and directories

2 분 소요

Goal Remove old video, data, log files in my CCTV server

[Linux] How to remove unnecessary backup files periodically

최대 1 분 소요

Goal Remove unnecessary MariaDB backup files which were modified more 6 days ago

[Distrubuted System] 로그: 실시간 데이터에서 의미를 만들기 위해서 S/W 엔지니어가 알아야할 것 - Part1. 로그란?

2 분 소요

Goal 로그란 어떤 것인지 알아보자 로그가 분산시스템과 실시간 데이터 처리에 있어서 어떻게 활용되는지 알아보자 다음 글은 링크드인 엔지니어링에 기재된 The Log: What every software engineer should know about real-time...

[Logstash] Getting started with Logstash

2 분 소요

Goal Learn about Logstash and install in Linux. Move data from MariaDB to Elasticsearch.

[Android] Bar chart is not visible, nevertheless values of it are visible in MPAndroidChart

1 분 소요

Goal Solve the problem which bars are not visible in chart

[MacOS] Macs Fan Control

최대 1 분 소요

Goal What is Macs Fan Control? How to install Practice Macs Fan Control Monitors and controls fans on Apple computers Real-time monitoring o...

[MacOS] htop

최대 1 분 소요

Goal What is htop? How to install Practice HTOP Process manager to monitor system processes It was developed to replace top which was UNIX b...

[MacOS] How to save as a image file from Keynote

최대 1 분 소요

Goal Save images or figures in a Keynote page as image file by Preview.app

[MacOS] Homebrew로 특정 OpenCV 설치

최대 1 분 소요

Goal Homebrew를 이용하여 특정 OpenCV 버전을 설치

[MariaDB/MySQL] How to backup the data weekly

최대 1 분 소요

Goal Creat MariaDB backup shell script Register in Cron

[Markdown] Markdown to HTML/MS Word by Pandoc

최대 1 분 소요

Goal To covert Markdown file to HTML or MS Word file by using Pandoc

[MariaDB/MySQL] JDBC Driver ‘server time zone’ 에러 해결방법

최대 1 분 소요

Goal The server time zone value ‘KST’ is unrecognized or represents more than one time zone. 에러 해결

[Java] NIO DatagramChannel Tutorial

2 분 소요

Goal Java NIO DatagramChannel을 이용하여 UDP Send/Receive 구현

[Java] How to ping in Java

최대 1 분 소요

Goal Java에서 Ping 구현

[OpenCV] What is the Mat?

2 분 소요

Goal What is the mat How it works How to convert a matrix to a bytes array The method for storing image data

[Java] OpenCV Tutorial

2 분 소요

Goal OpenCV 를 통한 비디오 재생 구현

[DBeaver] Korean language options was added

최대 1 분 소요

Goal Add Korean bundle properties files, which are translated

[Oracle] JDBC ‘locale not recognized’ 오류 해결

최대 1 분 소요

Goal MAC OS 업데이트 후, Oracle JDBC 연결 할 때, 로케일 인식 오류 발생

[PyCharm] How to disable editor vim mode

최대 1 분 소요

Goal To set Vim mode in editor disabled.

[PyCharm] How to set environment variables in PyCharm

최대 1 분 소요

Goal To know how to set environment variables in run configuration

[PyCharm] ‘Python version 2.7 does not support this syntax.’ Troubleshooting

최대 1 분 소요

Goal To find the cause of ‘Python version 2.7 does not support this syntax.’ problem and solve it. To change another python intepreter in PyCharm

[Django] Download files

1 분 소요

Goal How to impletement the function which support file download in Django

[Django] Setup virtual enviroment

최대 1 분 소요

Goal How to setup Python virtual environment

[Django] Invalid HTTP_HOST header: ‘[HOST]’. You may need add ‘[HOST]’ to ALLOWED_HOSTS

최대 1 분 소요

Goal To solve “Invalid HTTP_HOST header: ‘[HOST]’. You may need add ‘[HOST]’ to ALLOWED_HOSTS”’ problem.

[PyCharm] How to disable editor vim mode

최대 1 분 소요

Goal To set Vim mode in editor disabled.

[Python] SELECT data from InfluxDB

최대 1 분 소요

Goal To select data from InfluxDB

[PyCharm] How to set environment variables in PyCharm

최대 1 분 소요

Goal To know how to set environment variables in run configuration

[Django] REST API server with Redis

2 분 소요

Goal To make REST API server for IoT To interface with Redis

[Django] ImportError: Couldn’t import Django. Are you sure it’s installed and available on your PYTHONPATH envrionment variables? Did you forget to activate a virtual environment?

최대 1 분 소요

Goal To know why this problem occurs To solve this problem

[IELTS Writing] #0001 TASK 2 - Living in a country where you have to speak a foreign language can cause serious a social problems, as well as practical problems (Agee/Disagree)

2 분 소요

Topic

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