Latest articles

ソフトウェア

2020/10/18

How to right click with trackpad on MacBook Pro

Mac is popular for IT engineers. It is OK to use Mac for initial Mac user. But there are some problems for Windows familiar user. It is right-click. In Windows case, laptop pc has both right and left click buttons. So we can do right-click. Or we can clic ...

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ソフトウェア

2020/9/27

Where is terminal in macOS ? How to run it ?

MacOS is popular for coders or developers. When we use it for developping, we usually use CUI instead of GUI. In this case, we use Terminal in macOS. But where is the Terminal ? How can we run it ? So today I'll show you "Where is terminal in macOS ? ...

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ソフトウェア

2020/9/9

How to copy screenshot into clip board in macOS

Mac is popular for IT engineers. It is OK to use Mac for initial Mac user. But there are some problems for Windows familiar user. It is how to take screenshot. In Windows case, we can take full screenshot by Ctrl + PrtSc. In Mac case, if we did Shift + Co ...

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ニュース

2020/8/10

Videos of massive explosion at Beirut in Lebanon

On 2020/08/04, massive explosion was happenned at Beirut in Lebanon. There stored ammonium nitrate that is source of explosives. So it caused huge explosion. On Twitter a lot of videos were uploaded. Rescue workers in Lebanon have been digging through the ...

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Why does mouse double-click unintentionally ? How to solve it ?

ハードウェア

2020/7/5

Why does mouse double-click unintentionally ? How to solve it ?

When we do single-click, sometimes PC acts as double-click. It is called as "chattering". It is terrible because it causes to open unintended file. It also causes to close tab when we try to open tab. 少年It irritates us. Is it caused by machine f ...

ReadMore

THE LAST OF US 2 was flamed. But it is not garbage. [No spoil]

ゲーム

2020/6/29

THE LAST OF US 2 was flamed. But it is not garbage. [No spoil]

"The Last of Us Part II" (TLOU2) was released on June 19th in 2020. Previous title was highly evaluated. So more than 4 million people bought TLOU2. Then it was flamed in user reviews. Is it garbage game ? No. Even it was flamed, it is not a gar ...

ReadMore

Python

2020/6/24

[Python] FileNotFoundError reason and solution

When Python code reads file, it may cause FileNotFoundError. The reason of the error is "File is not found". If it reads single file, it can be OK to prepare the missing file. But in case of multiple files, you would like to continue the process ...

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Python

2020/6/22

[Python] Update column value of Pandas DataFrame

There are some ways to update column value of Pandas DataFrame. So I wrote down them for the future reference. I used documents of loc and where below as a reference. Reference pandas.DataFrame.loc — pandas 1.0.5 documentation pandas.DataFrame.where — pan ...

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MSI PC does not boot with Debug Code LED 0d

ハードウェア

2020/6/2

MSI PC does not boot with Debug Code LED 0d

Sometimes homebuilt computer does not boot. Debug code LED on motherboard shows "0d". What is "0d" ? What should we do with this debug code "0d" ? This article introduce reason and solution in case of debug code "0d&quot ...

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生活

2020/2/12

How to lose weight without exercise for lazy engineers

IT engineers just sit and don't move. They don't exercise and get weight. I was fat. My weight was 78kg. Then I just did a particular method and lost weight. Today I introduce how to lose weight without exercise for lazy engineers.

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News

ニュース

2020/8/10

Videos of massive explosion at Beirut in Lebanon

On 2020/08/04, massive explosion was happenned at Beirut in Lebanon. There stored ammonium nitrate that is source of explosives. So it caused huge explosion. On Twitter a lot of videos were uploaded. Rescue workers in Lebanon have been digging through the ...

ReadMore

ニュース ハードウェア

2019/9/26

Ryzen 3950X and 3rd Threadripper will come. How about their spec and price ?

Ryzen 3900X is on sale. There is high-end version 3950X. Its release date is postponed to November. And 3rd generation Threadripper will also come. So I would like to write spec and price here.

ReadMore

ニュース

2019/4/3

Issue of new Japanese period Reiwa

On April 1st 2019, new Japanese period Reiwa was announced. But there is some issues about Reiwa. Alphabet format issue Reiwa is started with "R". In the future, Reiwa 18th will come. Reiwa 18th would be called "R-18". Some people concern about it. #令和悲報 ...

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ニュース ハードウェア

2019/2/23

【SmartPhone】 Convinced why the iPhone is badly fighting in India → not selling

The iPhone is fighting hard in India I often hear such news recently. Talking about the iPhone secures a large area at the mobile shop ** It should be the best-selling smartphone **. I examined why the iPhone can not be sold in India. </ br> Apple stor ...

ReadMore

Dev

Python

2020/6/24

[Python] FileNotFoundError reason and solution

When Python code reads file, it may cause FileNotFoundError. The reason of the error is "File is not found". If it reads single file, it can be OK to prepare the missing file. But in case of multiple files, you would like to continue the process ...

ReadMore

Python

2020/6/22

[Python] Update column value of Pandas DataFrame

There are some ways to update column value of Pandas DataFrame. So I wrote down them for the future reference. I used documents of loc and where below as a reference. Reference pandas.DataFrame.loc — pandas 1.0.5 documentation pandas.DataFrame.where — pan ...

ReadMore

Python

2020/2/8

[Python] Remove None from list object

We want to remove None from list object. When we process data, sometimes it contains None value. None is not integer nor string. So it is not easy to use. Today I introduce how to remove None from list object.

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Python

2019/12/1

Why datetime value is converted to numeric in pandas?

Strange thing was happened. I set datetime value in Pandas Dataframe. But it was changed to numeric value in next moment. It was not a magic, so I would like show you why the datetime value was converted to numeric.

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Python

2019/11/23

How to calculate datetime in Python

Sometimes we would like to calculate datetime in Python. Then we search like "Python date time calculate". So today I introduce how to calculate datetime in Python.

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Software

ソフトウェア

2020/10/18

How to right click with trackpad on MacBook Pro

Mac is popular for IT engineers. It is OK to use Mac for initial Mac user. But there are some problems for Windows familiar user. It is right-click. In Windows case, laptop pc has both right and left click buttons. So we can do right-click. Or we can clic ...

ReadMore

ソフトウェア

2020/9/27

Where is terminal in macOS ? How to run it ?

MacOS is popular for coders or developers. When we use it for developping, we usually use CUI instead of GUI. In this case, we use Terminal in macOS. But where is the Terminal ? How can we run it ? So today I'll show you "Where is terminal in macOS ? ...

ReadMore

ソフトウェア

2020/9/9

How to copy screenshot into clip board in macOS

Mac is popular for IT engineers. It is OK to use Mac for initial Mac user. But there are some problems for Windows familiar user. It is how to take screenshot. In Windows case, we can take full screenshot by Ctrl + PrtSc. In Mac case, if we did Shift + Co ...

ReadMore

ソフトウェア

2020/2/23

unzip error 22 invalid argument in MacOS

When you try to extract zipped file, sometimes it shows an error like below. unzip error 22: invalid argument "Windows can decompose it. But Mac couldn't ..." It is strange. But there is a reason. Today I introduce the reason of unzip error 22 i ...

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ソフトウェア

2019/12/15

How to install Ubuntu in Windows10

Install Ubuntu in Windows10. It was impossible before. But now Windows10 has a function "Windows Subsystem for Linux". So today I introduce how to install Ubuntu in Windows10.

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ソフトウェア

2020/2/23

Where is Sticky Notes in Windows10 ?

Where is Sticky Notes in Windows10 ? With using Sticky Notes, we could put notes on our desktop. It was in Windows7. But we can't see it in Windows10. Is it omitted ? No. We can use it in Windows10.

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ソフトウェア ネットワーク

2019/6/30

What you should check when SSH connection is refused in Linux

What you should check when SSH connection is refused in Linux ? In initial settings of Linux server like CentOS or Ubuntu, sometimes you fail SSH connection. This article shows what you should check when SSH connection is refused in Linux.

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ソフトウェア 機械学習

2019/4/17

How to uninstall CUDA Toolkit

We use CUDA Toolkit for GPU machine learning. GPU requires appropriate CUDA Toolkit version. So sometimes we would like to remove unmatched CUDA Toolkit. This article introduces how to uninstall CUDA Toolkit.

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ソフトウェア

2019/4/7

Emoji is not displayed in Slack

Emoji is not displayed in Slack. When we use Slack, sometimes emoji is not displayed. This article introduces how to solve it.

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ソフトウェア

2019/3/21

[Windows10] We can't stop screensaver.

We can't stop screensaver in windows10. If you buy ner PC, this problem sometimes happens. Today I introduce reason and solution of this screensaver issue. How to stop screensaver In windows10, we can change screensaver settings like below. Right click on ...

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Hardware

Why does mouse double-click unintentionally ? How to solve it ?

ハードウェア

2020/7/5

Why does mouse double-click unintentionally ? How to solve it ?

When we do single-click, sometimes PC acts as double-click. It is called as "chattering". It is terrible because it causes to open unintended file. It also causes to close tab when we try to open tab. 少年It irritates us. Is it caused by machine f ...

ReadMore

MSI PC does not boot with Debug Code LED 0d

ハードウェア

2020/6/2

MSI PC does not boot with Debug Code LED 0d

Sometimes homebuilt computer does not boot. Debug code LED on motherboard shows "0d". What is "0d" ? What should we do with this debug code "0d" ? This article introduce reason and solution in case of debug code "0d&quot ...

ReadMore

ニュース ハードウェア

2019/9/26

Ryzen 3950X and 3rd Threadripper will come. How about their spec and price ?

Ryzen 3900X is on sale. There is high-end version 3950X. Its release date is postponed to November. And 3rd generation Threadripper will also come. So I would like to write spec and price here.

ReadMore

ハードウェア

2019/9/23

PC gets black screen with "No Signal" and shutdown is impossible.

Suddenly PC goes black screen with "No Signal" and shutdown is impossible. When we build a computer, sometimes it goes black screen. If we cut power and restart it, the OS starts. But after a while, it gets black screen again. Today I will share ...

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ハードウェア

2019/6/22

Here comes Ryzen3000, X570 M/B, Radeon RX5000 and its price and release date.

AMD officially announced Ryzen3000. Not only CPU, but also mother board and GPU information were announced. So this article introduce spec, price and release date about Ryzen3000, X570 M/B, Radeon RX5000.

ReadMore

ソフトウェア ハードウェア

2019/2/25

【SmartPhone】To be troubled if you are using Android.

To be troubled if you are using Android. Perhaps it is something that Android users know, but I write it for users who may be using Android from now on. Less of accessories Many manufacturers can manufacture devices for Android smartphones. There are many ...

ReadMore

ニュース ハードウェア

2019/2/23

【SmartPhone】 Convinced why the iPhone is badly fighting in India → not selling

The iPhone is fighting hard in India I often hear such news recently. Talking about the iPhone secures a large area at the mobile shop ** It should be the best-selling smartphone **. I examined why the iPhone can not be sold in India. </ br> Apple stor ...

ReadMore

Game, Comic, Animation

THE LAST OF US 2 was flamed. But it is not garbage. [No spoil]

ゲーム

2020/6/29

THE LAST OF US 2 was flamed. But it is not garbage. [No spoil]

"The Last of Us Part II" (TLOU2) was released on June 19th in 2020. Previous title was highly evaluated. So more than 4 million people bought TLOU2. Then it was flamed in user reviews. Is it garbage game ? No. Even it was flamed, it is not a gar ...

ReadMore

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