AtCoder Beginner Contest 181 Note
# Preface I tried Atcoder, so it's a memo for myself. I plan to add and correct it later. # problem https://atcoder.jp/contests/abc181 A #### **`Q_A.go`** ```go package main import ( "f
[Ubuntu] How to delete the entire contents of a directory
## rmdir -r cannot be used If you try to use `rmdir -r`, which is often used on CentOS etc. ``` $ rmdir -r test/ rmdir: invalid option -- 'r' Try 'rmdir --help' for more information. ``` I get angr
Distributed architecture implemented by Mars
This article introduces the distributed architecture implemented in Alibaba's open source ** Mars **. * This blog is a translation from the English version. You can check the original from [here](h
What I did to speed up the string search task
I tried it because there was an algorithm problem to speed up the character string search at the company development camp. By the way, I am a so-called copy / paste programmer who is good at making
Difference between SQLAlchemy filter () and filter_by ()
### I will explain the difference because there are two functions, filter () and filter_by (), when searching the DB with SQLAlchemy, which is one of Python's O / R Mapper. It was obvious when I loo
AtCoderBeginnerContest181 Review & Summary
AtCoder ABC181 This is a summary of the AtCoder Beginner Contest 181 problems that took place on 2020-11-01 (Sun), starting with problem A and taking into account the considerations. The problem is
Use Azure ML Python SDK 2: Use dataset as input-Part 2
# Contents of this time In [Using Azure ML Python SDK: Using dataset as input-Part 1](https://qiita.com/notanaha/items/89fd11fff8eb3fead176), the input dataset was specified by the caller of script s
install python
## Preface ### I started programming on my own, but it took me a long time to master it to the end of this article. It's very difficult so you shouldn't lick it. ### I will _help _ it. ## Introduction
Try the Python LINE Pay SDK
A memo written by Mr. Kagawa, a LINE Pay teacher, to help you understand and use the SDK created by @ sumihiro3. https://github.com/sumihiro3/line-pay-sdk-python/tree/master/examples I made a star
Draw multiple graphs using matplotlib figures and axes
# Overview If you use matplotlib ad hoc without reading the documentation, I'm not sure I'm curious about the figures and axes that remain unclear (I don't know) # Why i wrote this After reading
[Procedure memo] Install Python3 + OpenSSL locally on Ubuntu
Steps to install Python 3 locally while resolving OpenSSL errors without administrator privileges. <h2> Table of contents </ h2> <ul> <li> <a href=#motivation> Motivation </a> </ li> <li> <a href
Try to solve the man-machine chart with Python
An attempt to solve a common MM chart problem with python instead of manually. Theme "State the minimum cycle time and process allocation to workers in the circular process" ![image.png](https://q
Science Council of Japan Appointment Refusal AI-Toward the Creation of an Elegant Answer-
## Omission, bureaucrats The refusal to appoint the Science Council of Japan is a problem, How are you doing with the bureaucrats? Regarding the reasons for refusing the appointment of Prime Minis
[maya] How to operate / execute maya's userSetup.py
``` * Please be careful about the article Here, it is the content of the investigation to find out "how it actually works" for the functions and operations that are used as usual. By knowing the mecha
vim command
I'm planning to take LPIC101 this weekend, but I can't remember the basic commands of the Vi editor because I don't use it normally, so I'll try to deepen my memory as a notepad. Esc Comma
About learning with google colab
# Overview Google colab is surprisingly useful, but there is a problem that reading data directly from google drive is unusually slow. (Image data in my case) So I'm going to use .p and .h5 files t
plotly trace and layout templates that are likely to be used in scatter plots
# Introduction It is a template of trace, layout that seems to be used when drawing a scatter plot with plotly Please erase unnecessary parts as appropriate # environment Mac OS python 3.8.5 plotly
AtCoder Beginner Contest 181 Review
# This time's results None # Impressions of this time This time it was about 30 minutes late. A to D were completed in about 20 minutes, and E was completed in about 20 minutes, but I chose no
Build a Python development environment in Eclipse (add HTML editor)
Put an HTML editor in Eclipse help → Install new software → Add →Luna - http://download.eclipse.org/releases/luna → Web, XML, Java EE and OSCi enterprise development → Eclipse Java Web Develope
Finding mistakes in Saizeriya (Italian ingredients)
### Introduction I tried to find mistakes in Saizeriya's [Italian ingredients](https://www.saizeriya.co.jp/entertainment/italy.html) using OpenCV. ### Image cropping (manual) Carefully cut out the
Japan Meteorological Agency Converts GRIB of dually polarized weather radar polar coordinate data to netCDF (CF / Radial standard)
TL;DR Please put the conversion program (work in progress) on [GitHub](https://github.com/wm-ytakano/jmardr_cfradial) at your own risk. # Introduction This is a continuation of [Convert GRIB of
Notes on how to use featuretools
# What are feature tools If you have knowledge about the target domain when performing machine learning, you can improve the accuracy by considering an appropriate feature amount and giving it as a
I didn't know much about Linux environment variables
# Command examples used around the Linux OS In what part of the environment variables should the files placed in / usr / bin be used? |file name|In what part do you use it?| |---|---| |/bin |St
[Ubuntu] How to execute a shell script
``` $bash ./test.sh ``` ``` $sh ./test.sh ``` ``` $ ./test.sh ``` ## pattern 1 ### The contents of the script ``` $ cat test.sh echo "test!"; ``` ### Execution (success) ``` $ sh test.sh test! ```
[0] TensorFlow-GPU environment construction built with Anaconda on Ubuntu
# goal From the place where Ubuntu Desktop / Server is installed, build an environment that can perform GPU calculation by TensorFlow with Anaconda. # Target person Deep learning engineer who is un
(Mainly published in October 2008) Recommended books for IT / AI engineers & PdM
In this article, I will introduce and explain the contents and impressions of the book I read in October 2020. ## Introduction ** This is a summary of the contents and impressions of the book I ha
Get the file name saved in AWS S3 (1000 or more)
# Thing you want to do I want to know all the file names saved under a certain folder in a certain bucket of AWS S3. At this time, there are more than 1000 files under a certain folder in a certain
I tried adding system calls and scheduler to Linux
# I tried adding system calls and scheduler to Linux ## Introduction (Critical responsibility: Nada) In this article On Linux --System call --Scheduler Explain in as much detail as possible
I analyzed the rank battle data of Pokemon sword shield and visualized it on Tableau
Too Long, Didn’t Read Hi, have you ever played Pokemon, or Pokemon for short (Pokemon is a registered trademark of Nintendo Creatures Game Freak)? The second expansion patch of the latest Pokemon
[Pytorch] numpy to tensor
Write how to change from numpy to tensor with pytorch. # numpy to tensor Use torch.from_numpy (ndarray). The ndarray contains a numpy matrix. ``` >>>import numpy >>>import torch >>> a = numpy.arra