Topic

python

A collection of 10 issues

RaspberryPi with DHT22 Sensor for Humidity and Temperature Data with InfluxDB

I have been playing with RaspberryPI for a while. There are several project I tried to do with RaspberryPI. These boards play a significant role in my home lab for different experiments like Docker Private Repository, Media Server, Ad Blocker with pi-hole, Secure Proxy for anonymity, secure network access with

Finding an Efficient Solution on Reading and Comparing CSV files

I have always worked with Linux Systems and thus Bash was my go to tool for some specific tasks. But now I am much more aware with Python than Bash as it does give me better grasp on things. I am not saying that for server scripting, Bash can not

SSH Config and Ansible Host Generator and Why I am doing it this way?

I do have to manage SSH config files with numerous host entries. And also there is ansible involved. So, there is redundant host management involved. Managing 4,5 host information in SSH and Ansible inventory files is not that tiresome. It gets very repetitive and boring when the host’s

My Understanding about RUN, CMD and ENTRYPOINT in Dockerfile

Containerization gives us many benefits from packaging to distribution and others. Thus, Docker is widely used as a containerization tool which is designed for running specific tasks and processes, not for hosting operating systems or like other virtualization tools like VMWare, VirtualBox etc. You create a container to serve a

Effective use of Redis with Python and Connection Pool

I have been working with redis and python for sometime. It is fun to play with python and redis. There are so many things can be solved by redis. * Session persistency * Caching * Volatile Datastore * Job or Message Queue * Search And many more. But recently I was thinking about using it

How to run Python Flask Application?

I mostly use Python Flask when I need to develop a Web App or API. Why? Because it is: * lightweight * Very Flexible * Micro-Service Friendly * Fast Development These are one of the main reasons I choose Flask. But mostly I love to code with Flask. There are so many ways to

Multi line Log Parser in Python

So, I have a log file that is not single line log. It is kind of java stack trace. What I needed to do is read those log files and create some actions depending on them. I could use already built tools. But I thought why not just do this

Some coding practice with Json, Itertools and Lambda in Python

I enjoy coding and solving problems. But as I go forward, I find myself in a sea of unknowns. Thus I decided to learn as much as possible to be confident. So, I am learning even the simplest it seems. Let me start. I have a json file named data.

Other side of Python eval() function

The built-in function “eval()” of python is useful in many cases. But I am gonna talk about it’s negative one. Let, you have a function that take arguments from user. If you do eval() on that input, it might create a havoc. As an example – def check_pin(pin)

What does eval() do in Python?

I have always loved the fact that The Python interpreter has a number of functions and types built into it. I am going to explore “eval()” in this article. Syntax: eval(expression[, globals[, locals]]) or eval(expr, globals=None, locals=None) So, mainly eval need string as its argument in