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Docker Data Storage - Volume Mounts
How to create a new Volume mount to a Docker container? Volume mounts are stored in a part of the host filesystem which is managed by Docker (/var/lib/docker/volumes/ on Linux). Non-Docker processes should not modify this part of the filesystem. Volumes are the best way to persist data in Docker. Be...
2021-08-15, 412👍, 0💬

Docker Data Storage - Bind Mounts
How to create a new Bind mount to a Docker container? Bind mounts may be stored anywhere on the host system. They may even be important system files or directories. Non-Docker processes on the Docker host or a Docker container can modify them at any time. You have two options "--volume" and "--mount...
2021-08-15, 408👍, 0💬

Windows vs. Linux Containers
What are differences between Windows Containers and Linux Containers? A Docker server environment has its own OS (Operating System) like any other computing environments. Currently there are two main OS types supported by the Docker server: Linux and Windows. In order to run a Docker container on a ...
2021-11-13, 400👍, 0💬

Handle Exceptions with "mysql.connector"
How to handle errors or exceptions with "mysql.connector" module? While you are using "mysql.connector" module, an error or exception could occur on any MySQL database related statements. There are 3 basic ways to handle those errors or exceptions. 1. Default behavior - Whenever "mysql.connector" mo...
2021-09-09, 399👍, 0💬

Change Data with PyMySQL Package
How to make data changes to MySQL database with PyMySQL package? Making data changes to MySQL database with PyMySQL package requires to run INSERT, UPDATE or DELETE SQL statements with an established connection. By default, changes are not committed until you call the con.commit() method explicitly....
2021-09-09, 393👍, 0💬

Cursor.execute() with PyMySQL
How to use Cursor to run MySQL statements with PyMySQL package? PyMySQL package provides you 2 ways to run MySQL statements: 1. Use con.query() - If you don't want to receive any data back from the MySQL server, you can use the Connection.query() method to run MySQL statements. 2. Use cur.execute() ...
2021-09-09, 383👍, 0💬

Python Modules for MySQL Database
Where to find tutorials on Python modules for MySQL database? Here is a list of tutorials to answer many frequently asked questions compiled by FYIcenter.com team on Python modules for MySQL database. MySQL Database Server Connection Information "mysql.connector" Module by mysql.com Change Data with...
2021-11-13, 377👍, 0💬

"mysql.connector" Module by mysql.com
How to use "mysql.connector" module produced by mysql.com? "mysql.connector" is the official Python module provided by mysql.com for MySQL database connection. You can follow this tutorial to try it. 1. Install "mysql-connector-python" package that contains the "mysql.connector" module. Do not use t...
2021-11-13, 374👍, 0💬

PATH Directories of Windows Container
How to see the PATH directories of Windows image? I want to know what programs I can run on the container. One way to see the PATH directories of a Windows image is to run the CMD shell interactively. Then run the SET sub-command in the shell. C:\fyicenter&gt; docker run --name windows --entrypo...
2022-02-02, 326👍, 0💬

Guest Post Submission Inquiry
Stephanie again here. I forgot to mention my Mail. Stephaniebraake@gmail.com
2022-01-05, 323👍, 3💬

💬 2022-01-05 inoreader: > POST /accounts/ClientLog > User-Agent: curl/7.19.7 > Host: www.inoreader.com > Accept: */* > Content-Length: 27 > Content-Type...

"openjdk" Docker Image for Windows
What is the "openjdk" Docker Image for Windows? "openjdk" Docker Image for Windows provides a Docker container of as a Java development environment. 1. Create a container from the "openjdk" image. C:\fyicenter&gt; docker container create --name java --tty --interactive openjdk 2. Start the conta...
2022-01-24, 319👍, 0💬

Run PowerShell Commands in Dockerfile
How to run PowerShell Commands in Dockerfile to change Windows Docker images? When building a new Windows image, you can only run executable programs that are already installed on the image. A Windows image usually provides programs in the C:\Windows\System32 directory, including two commonly used p...
2022-01-24, 316👍, 0💬

Build My Java Image with "openjdk"
How to build My Java Docker Image with "openjdk" If you want build your own Java Docker image with "openjdk", you can following this tutorial. 1. Create a Java program, Hello.java: C:\fyicenter&gt; type Hello.java class Hello { public static void main(String[] a) { System.out.println("Hello worl...
2021-11-30, 312👍, 0💬

Build a Dummy Windows Image
How to do a dummy image from the "microsoft/dotnet-samples" Docker image? If you want play with the "microsoft/dotnet-samples" Docker image, you should build a dummy Docker image using it as the base. 1. Create a Dockerfile to define the new image: C:\fyicenter&gt; type DummyImage FROM microsoft...
2022-02-02, 294👍, 0💬

"shell" Format vs. "exec" Format
What is the differences between "shell" format and "exec" format when writing instructions in Dockerfile for Windows images? There are several differences between "shell" format and "exec" format when writing instructions in Dockerfile for Windows images. 1. The "shell" format is simple to use. But ...
2021-11-30, 294👍, 0💬

Path Name Used to Build Windows Images
What is the format for path names used to build Windows Docker images? Is it different than Linux path name format? Yes. Path name format used to build Windows images is different from Linux images. There are 2 general rules you have to remember when using path names in the Dockerfile to build Windo...
2021-11-30, 286👍, 0💬

Use "ENV" Instruction on Windows Image
How to use "ENV" Instruction in Dockerfile for Windows images? In a Linux environment, the "ENV" instruction does two things in the image build process: Providing a local variable for subsequent instructions as $var or ${var}. Inserting an environment variable to the Linux image. However, the "ENV" ...
2021-11-30, 285👍, 0💬

Spaces in Path Name on Windows Images
How to manage spaces in path names on Windows images? Spaces in path names are not allowed on Linus systems. But spaces in path names are allowed on Windows systems. There are 2 general rules you have to remember to manage spaces in path names in the Dockerfile to build Windows images. 1. Using the ...
2021-11-30, 284👍, 0💬

Commands Available on Windows Container
What commands are avaible on a Windows container? Can I run the "DIR" command? No. You can not run the "DIR" command on a Windows container directly, because "DIR" is not really a Windows command. "DIR" is actually sub-command valid in the "CMD" shell environment. On a Windows container, you can onl...
2022-02-02, 280👍, 0💬

Common Errors in Reported by EpubCheck
Where to find tutorials on Common Errors Reported by EpubCheck? Here is a list of tutorials to answer many frequently asked questions compiled by FYIcenter.com team on Common Errors Reported by EpubCheck. ERROR(PKG-006) - Mimetype Not the First ERROR(PKG-005) - Mimetype Has Extra Field ERROR(OPF-030...
2022-02-09, 250👍, 0💬

Hello-3.2.epub - EPUB 3.2 Simple Demonstration
How to build a simple EPUB file to demonstrate some EPUB 3.2 features? You can follow this tutorial to build a simple EPUB file to demonstrate some EPUB 3.2 features Create 5 required files and place them according to the following structure: ├── mimetype ├── META-INF │   └── container.xml ├─...
2022-02-09, 221👍, 0💬

ERROR(PKG-006) - Mimetype Not the First
How to fix the "ERROR(PKG-006) - Mimetype file entry is missing or is not the first file ..." error? When you validate a EPUB 2.0 package with EpubCheck, you may see the following error: C:\fyicenter&gt; java -jar epubcheck.jar Error-Mimetype-Not-First-2.0.e pubValidating using EPUB version 2.0....
2022-04-21, 187👍, 0💬

What Is EPUB 3.2 Specification
What Is EPUB 3.2 Specification? EPUB 3.2 Specification is the 3.2 version of EPUB specification, released on May 8, 2019. EPUB 3.2 is considered as a successor to both EPUB 3.0.1 and EPUB 3.1. EPUB 3.1 did not receive wide adoption due to incompatibilities with previous versions, so EPUB 3.2 was dev...
2022-04-21, 179👍, 0💬

Changes on EPUB Content Documents 3.2
What are changed made on EPUB Content Documents 3.2 specification? EPUB Content Documents 3.2 specification has the following changes. 1. The dated references to HTML and SVG have been replaced with undated references. 2. Replacement of EPUB Style Sheets with CSS References. 3. Prioritization of Aut...
2022-04-21, 178👍, 0💬

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