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Rajan Kumar

rajan

Founder & Programmer at HackersFriend Updated March 24, 2020, 2:35 p.m. ⋅ 105 views

Filtering empty or NULL values in a Django queryset

In Django queryset we have __isnull to check if a value is null.

Here is …

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harsh_shukla

Intern at Microsoft Updated March 19, 2020, 9:34 a.m. ⋅ 60 views

Null object in Python

A lot of times, we need to check if a value is null. In Python …

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anoop_singh

SDE 1 at Amazon Updated March 17, 2020, 2:01 p.m. ⋅ 36 views

How to create multiline comment in Python ?

Python doesn't officially support multiline comments. But there are mainly 2 ways to make multiline …

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Ritu Aggrawal

ritu_aggrawal

Site reliability engineer at Uber Updated March 8, 2020, 11:17 a.m. ⋅ 36 views

How to limit file upload size on Ngnix

At some point we need to allow user to upload some content, for example any …

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Rahul Kumar

rahul_kumar

Developer at TCS Updated March 3, 2020, 9:14 a.m. ⋅ 23 views

DDL Trigger In SQL Server

DDL Trigger is used to prevent or tract the records of event which is fired …

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Rahul Kumar

rahul_kumar

Developer at TCS Updated March 3, 2020, 9:13 a.m. ⋅ 6 views

Instead of Trigger

Instead of trigger is used to fire instead of event such as INSERT, DELETE AND …

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Rahul Kumar

rahul_kumar

Developer at TCS Updated Feb. 27, 2020, 10:19 a.m. ⋅ 20 views

Triggers In SQL Server

In this article we are going learn trigger in SQL. Let’s get started:

Basically, trigger …

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Rahul Kumar

rahul_kumar

Developer at TCS Updated Feb. 23, 2020, 2:03 a.m. ⋅ 34 views

Joins In SQL Server

Joins In SQL Server

As per name suggest, Joins used to retrieve data by connecting …

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anoop_singh

SDE 1 at Amazon Updated Feb. 8, 2020, 1:19 p.m. ⋅ 32 views

Find root of a number using Newton’s method

There are in built functions in all programming languages to calculate square root of any given …

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Ritu Aggrawal

ritu_aggrawal

Site reliability engineer at Uber Updated Feb. 2, 2020, 3:24 p.m. ⋅ 18 views

How to Implement Browser side Caching of static files on Nginx with header

Static files are almost in every website and the faster they load the better is …

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