Server-Side Sessions in Flask with Flask-Session

In this video I will show you how to use Flask-Session to enable server-side sessions in your Flask apps.

Get the code here: https://prettyprinted.com/l/8O8

Subscribe: https://www.youtube.com/channel/UC-QDfvrRIDB6F0bIO4I4HkQ

#flask #server

What is GEEK

Buddha Community

Server-Side Sessions in Flask with Flask-Session

Server-Side Sessions in Flask with Flask-Session

In this video I will show you how to use Flask-Session to enable server-side sessions in your Flask apps.

Get the code here: https://prettyprinted.com/l/8O8

Subscribe: https://www.youtube.com/channel/UC-QDfvrRIDB6F0bIO4I4HkQ

#flask #server

Ray  Patel

Ray Patel

1625843760

Python Packages in SQL Server – Get Started with SQL Server Machine Learning Services

Introduction

When installing Machine Learning Services in SQL Server by default few Python Packages are installed. In this article, we will have a look on how to get those installed python package information.

Python Packages

When we choose Python as Machine Learning Service during installation, the following packages are installed in SQL Server,

  • revoscalepy – This Microsoft Python package is used for remote compute contexts, streaming, parallel execution of rx functions for data import and transformation, modeling, visualization, and analysis.
  • microsoftml – This is another Microsoft Python package which adds machine learning algorithms in Python.
  • Anaconda 4.2 – Anaconda is an opensource Python package

#machine learning #sql server #executing python in sql server #machine learning using python #machine learning with sql server #ml in sql server using python #python in sql server ml #python packages #python packages for machine learning services #sql server machine learning services

Brain  Crist

Brain Crist

1600347600

SCHEMAS in SQL Server -MS SQL Server – Zero to Hero Query Master

Introduction

This is part 3 of “MS SQL Server- Zero to Hero” and in this article, we will be discussing about the SCHEMAS in SQL SERVER. Before getting into this article, please consider to visit previous articles in this series from below,

A glimpse of previous articles
Part 1

In part one, we learned the basics of data, database, database management system, and types of DBMS and SQL.

Part 2
  • We learned to create a database and maintain it using SQL statements.
  • Best practice methods were also mentioned.

#sql server #benefits of schemas #create schema in sql #database schemas #how to create schema in sql server #schemas #schemas in sql server #sql server schemas #what is schema in sql server

Diego  Bernhard

Diego Bernhard

1610595660

Server-Side Sessions in Flask with Flask-Session

In this video I will show you how to use Flask-Session to enable server-side sessions in your Flask apps.

Get the code here: https://prettyprinted.com/l/8O8

#flask #python #programming #developer #web-development

Eldora  Bradtke

Eldora Bradtke

1597206720

How to Generate Server-Side PDF Reports With Puppeteer, D3 & Handlebars

Looking for a way to create a design-heavy, data-driven, beautifully styled PDF report—server-side with similar tools to what you are already using on the front-end? Stop your Google search. You’ve come to the right place. I was in the same boat as you a few months ago while helping a client with this exact problem. In order to accomplish this feat, I developed a four-step solution using Puppeteer, D3, and handlebars. In this post, I’ll give you step by step instructions on creating server-side pdf reports. Let’s dive in.

An example of a PDF page generated using this method.

An example of a PDF page generated using this method.

In this post, we’ll cover:

  • Setting up Puppeteer and Handlebars
  • Creating a generator to make our PDF
  • Building out a handlebars template
  • Adding the finishing touches

The CHallenges of Creating These PDF Reports:

Because we’re using a template framework to access standard web technologies along with Puppeteer to manage the PDF, we’ll need to think about these things during development:

  • Pages will manually need to be constrained.
  • We won’t have access to CSS media props other than “screen.” (no “page-break-after” or the print media type)
  • We won’t be able to use dev tools to debug irregularities once the PDF is compiled and rendered.
  • Puppeteer itself adds extra build time and size to your deployments.
  • Generating a report can take a while depending on file size.

For this example, let’s assume we already have the base of our project up and running Node/Express, and some type of ORM and DB solutions. We’re all set to feed our sweet, sweet data into a report.

The Tools We Need to Make This Happen

Handlebars

HTML templating framework from the Mustache family. This allows for Partial templating (fancy talk for components) and custom and built-in helper functionality to expand on our logic.

npm install handlebars

Example using partials and built-in blocks

{{#each poleComparison as |page|}}
<div class="page">
  {{#each page.pairs as |polePair|}}
    {{> comparison-header polePair=polePair }}
        <div class="comparison-tables">
            {{> comparison-body polePair=polePair }}
        </div>
  {{/each}}
  {{> footer @root }}
</div>
{{/each}}

Puppeteer

A node library that will provide us access to a chrome headless instance for generating the PDF based on our compiled Handlebars templates.

npm install puppeteer

A list of use cases:

  • Generate screenshots and PDFs of pages.
  • Crawl a SPA (Single-Page Application) and generate pre-rendered content (i.e. “SSR” (Server-Side Rendering)).
  • Create an up-to-date, automated testing environment.
  • Test Chrome Extensions.

D3 (Data-Driven Documents)

D3.js is a JavaScript library for manipulating documents based on data. D3 helps you bring data to life using HTML, SVG, and CSS. D3’s emphasis on web standards gives you the full capabilities of modern browsers without tying yourself to a proprietary framework, combining powerful visualization components and a data-driven approach to DOM manipulation.

<script src="https://d3js.org/d3.v5.min.js"></script> 

#javascript #server-side #d3.js #js #handlebars #puppeteer #server-side development