How to sort a list in Python
In this article, we’ll learn how to sort list, list of dictionaries, and list of tuples in Python. We can sort lists, lists of tuples, and list of dictionaries in …
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How to extract numbers from a string in C?
In this article, you’ll learn how to get numbers from a string in C with examples. There are many ways to do that, but my favorite a recommended method is …
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Is Linux an Operating System?
This article answers one of the most asked questions, “Is Linux an operating system?”. Most of it is discussed in the history of Linux and UNIX, where I explained how …
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From UNIX to Linux – History of Linux
You’ve probably heard about Linux or at least the word Linux. You might even know it’s an operating system, in fact, it’s the kernel used at the heart of the …
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Best themes for Ubuntu: Make Ubuntu Beautiful
In this article, you’ll learn about the best themes for Ubuntu and how to install themes on Ubuntu to create a cool Ubuntu desktop using available themes. Linux is all …
Best themes for Ubuntu: Make Ubuntu Beautiful Learn MoreC program to delete an element from an array
This C program takes the position as input from the user and deletes the element of array at that position.In this program, the original array and its size is also …
C program to delete an element from an array Learn MoreInsertion sort in C
In this post, you’ll learn about the insertion sort algorithm in C and how to implement it in the C programming language with and without a function using example programs. …
Insertion sort in C Learn MoreSelection sort in C
In this article, you’ll learn about the selection sort algorithm and its implementation program in the C programming language with and without a function in easiest possible way. Selection sort …
Selection sort in C Learn MoreBubble sort in C
In this article, you’ll learn about the bubble sort algorithm and how to implement it in the C programming language with and without a function in easiest way. Bubble sort …
Bubble sort in C Learn More
Data types in python | Python tutorial
There are mainly 7 data types in python: Numerical String List Tuple Dictionary Set Range Let’s try to understand these data types. 1. Numerical data types Numerical data types mainly …
Data types in python | Python tutorial Learn More
Strings in Python
string in python is one of the most important and interesting data type. . .
Strings in Python Learn More
How to install Visual Studio Code on Ubuntu?
Microsoft’s Visual Studio Code is the IDE for both novice and professional software/application developers. It is very easy to use and no expensive resources are required to run this IDE. …
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Learn Python programming- Getting started
This article covers the most common query – How to start programming in python? Start python by running the Python interactive prompt.Just type python (or python3 if you’ve both python …
Learn Python programming- Getting started Learn More
Is Python hard to learn? Top best learning resources
Is python hard to learn? How long to learn python? Is python easy to learn? there are many similar questions that come to one’s mind while starting to learn python. This article will clear your all the doubts related to the language and you’ll get the best resources to learn python at the end.
Is Python hard to learn? Top best learning resources Learn MoreWhat is the “N+1 selects problem” in ORM (Object-Relational Mapping)?
Let’s say you have a collection of Car objects (database rows), and each Car has a collection of Wheel objects (also rows). In other words, Car → Wheel is a 1-to-many relationship. Now, let’s say you need to iterate through …
What is the “N+1 selects problem” in ORM (Object-Relational Mapping)? Learn MoreCould not open a connection to your authentication agent: Error resolved
Did You Start ssh-agent? You might need to start ssh-agent before you run the ssh-add command: Note that this will start the agent for msysgit Bash on Windows. If you’re using a different shell or operating …
Could not open a connection to your authentication agent: Error resolved Learn MoreHow to name and retrieve a stash by name in git?
This is how you do it: Where “my_stash” is the stash name. Some more useful things to know: All the stashes are stored in a stack. Type: This will list down all …
How to name and retrieve a stash by name in git? Learn MoreHow to remove an element from a list by index in Python?
Use del and specify the index of the element you want to delete: Also supports slices: How to remove an element from a list by index in Python? You probably want pop: By …
How to remove an element from a list by index in Python? Learn MoreHow to remove a file from the last commit in Git?
This is a question of moving the mistakenly committed files back to the staging area from the previous commit, without canceling the changes done to them. This can be done …
How to remove a file from the last commit in Git? Learn MoreHow to break out of nested loops in Java?
Technically the correct answer is to label the outer loop. In practice if you want to exit at any point inside an inner loop then you would be better off …
How to break out of nested loops in Java? Learn MoreHow to stash a specific file in Git?
Since git 2.13, there is a command to save a specific path to the stash: git stash push <path>. For example: OLD ANSWER: You can do that using git stash –patch (or git stash …
How to stash a specific file in Git? Learn MoreHow to copy array by value in JavaScript?
Use this: Basically, the slice() operation clones the array and returns a reference to a new array. Also note that: For references, strings and numbers (and not the actual object), slice() copies object references …
How to copy array by value in JavaScript? Learn MoreWhen to use Git rebase instead of Git merge?
Short Version Merge takes all the changes in one branch and merges them into another branch in one commit. Rebase says I want the point at which I branched to …
When to use Git rebase instead of Git merge? Learn MoreHow to update the value of a row in a Python Dataframe?
In this article, we’ll learn how to update the value of a row in a Python Dataframe. If you want a direct answer and are not interested in the explanation …
How to update the value of a row in a Python Dataframe? Learn MoreHow to programmatically navigate using React router?
For those who are already using React Router v6, this can be done using useNavigate hook provided by react-router. Navigation with this hook is pretty simple: For a detailed answer, keep reading. How …
How to programmatically navigate using React router? Learn MoreHow to determine the type of an object in Python?
There are two built-in functions that help you identify the type of an object. You can use type() if you need the exact type of an object, and isinstance() to check an object’s type against something. …
How to determine the type of an object in Python? Learn MoreHow to read a file line-by-line into a list in Python?
This code will read the entire file into memory and remove all whitespace characters (newlines and spaces) from the end of each line: If you’re working with a large file, …
How to read a file line-by-line into a list in Python? Learn MoreHow to cache HTTPS credentials for pushing commits?
This article explains how to save HTTPS credentials for pushing commits or in other words, permanently authenticating to git repositories. Since Git 1.7.9 (released 2012), there is a neat mechanism …
How to cache HTTPS credentials for pushing commits? Learn MoreHow to return only the Date from a SQL Server DateTime datatype?
Here’s your solution: for example gives me Pros: No varchar<->datetime conversions required No need to think about locale How to get only the Date from a SQL Server DateTime datatype? …
How to return only the Date from a SQL Server DateTime datatype? Learn MoreHow to add new elements at the beginning of an array in JavaScript?
Use unshift to add new elements at the beginning of an array. It’s like push, except it adds elements to the beginning of the array instead of the end. unshift/push – add an …
How to add new elements at the beginning of an array in JavaScript? Learn MoreHow to retrieve the position (X,Y) of an HTML element using JavaScript?
The correct approach is to use element.getBoundingClientRect(): Internet Explorer has supported this for as long as you are likely to care about and it was finally standardized in CSSOM Views. All other browsers …
How to retrieve the position (X,Y) of an HTML element using JavaScript? Learn More