How to create a file, write, read and append to file in python

In the post I will show how to create a File, Write, read and append in python.

Before that lets see the File Modes in Python

File Modes in Python
Mode	Description
'r'	Open a file for reading. (by default)
'w'	Open a file for writing. Creates a new file if it does not exist or deleates the file if it exists.
'x'	Open a file for exclusive creation. If the file already exists, the operation fails.
'a'	Open for appending at the end of the file without replacing it. Creates a new file if it does not exist.
't'	Open in text mode. (by default)
'b'	Open in binary mode.
'+'	Open a file for updating (reading and writing)

How to install PIP Virtualenv in windows

In this post I will show how to install pip, virtualenv in windows.
In the previous post I had shown...

• How to install Python in Windows and ubuntu 16.04
• How to Reload jquery datatable ajax
• CRUD operations using Bootstrap Modal in Asp.Net MVC
• Asynchronous Requests for CRUD operations in Asp.Net MVC
• Code First Migrations in MVC 5
• Jquery DataTable in MVC
• Jquery DataTable multisearch paging and Sorting in MVC server side
• Jquery DataTable paging, Sorting and Multi search with datepicker in MVC server side

Continuing the previous post PIP is automatically Installed along with Latest python versions(2.7+ and 3.5+).  To check PIP version

How to install Python in Windows and ubuntu 16.04

In this post I will show how to install Python in windows and ubuntu.

In Ubuntu 16.04:
by default python is installed in ubuntu.

In windows:
First download python 3+ from python.org/downloads as shown below image

How to Reload jquery datatable ajax

In this post I will show how to reload Jquery DataTable for every 20 Seconds with Paging Reset, Paging Retained and update an external elements when reloaded.

Previously I had shown how to ...

• CRUD operations using Bootstrap Modal in Asp.Net MVC
• Asynchronous Requests for CRUD operations in Asp.Net MVC
• Code First Migrations in MVC 5
• Jquery DataTable in MVC
• Jquery DataTable multisearch paging and Sorting in MVC server side
• Jquery DataTable paging, Sorting and Multi search with datepicker in MVC server side
• Cascading DropDowns in Asp.Net MVC
• AngularJS with Web Api in Asp.net MVC using Token based Authentication
• Ajax helper Based Search in MVC
• Customizing Authorize attribute or Role based Authentication or Authorization in MVC
• Display message when user is not authorized in mvc
• How to use AutoMapper

How to set up your user account to Hibernate on critical battery level in Ubuntu

In this post I will show how to hibernate Ubuntu on critical battery level.
In the previous posts I had shown How to...

• Cannot Start Omnisharp [ERROR] Error: spawn cmd ENOENT VS Code
• How to create cron job in ubuntu
• How can I hibernate on Ubuntu 16.04?

Set critical battery percentage using the command in terminal

gsettings get org.gnome.settings-daemon.plugins.power percentage-critical

To modify this value, set to 20% by using the below command in the terminal

How can I hibernate on Ubuntu 16.04?

In this post I will show how to Enable Hibernate in Ubuntu.

In the previous posts I had shown How to...

• Cannot Start Omnisharp [ERROR] Error: spawn cmd ENOENT VS Code
• How to create cron job in ubuntu
• How to Install MongoDB on Ubuntu 16.04

OutPut:

Cannot Start Omnisharp [ERROR] Error: spawn cmd ENOENT VS Code

In the previous posts I had shown How to...

• How to create cron job in ubuntu
• How to Install MongoDB on Ubuntu 16.04
• Failed to start mongod.service unit mongod.service not found. ubuntu 16.04
• How To Install WordPress, Apache, MySQL and PHP on Ubuntu 16.04

As the title says Cannot Start Omnisharp [ERROR] Error: spawn cmd ENOENT VS Code in Windows 10, follow the below steps.

Press WindowsKey + x and select System as shown below