Published inNerd For Tech·Dec 11, 2022How to understand Higher-order functions and Callbacks in JSBefore diving deep, Let’s understand why we need functions in the first place. Every code follows the DRY principle(Don’t Repeat Yourself). The bedrock of the DRY principle is Functions. Let’s add two numbers, 10 and 20, const sum1 = 10 + 20; Let’s add 50 and 60, const sum2 =…Higher Order Function4 min readHigher Order Function4 min read
Published inNerd For Tech·Nov 15, 2022Making sense of Git and GitHub — V [Rebase, GitHub ]Are you tired of merging and resolving conflict? — We are okay with ‘fast-forward merge’ as it is not creating an auto-generated merge commit. When you observe the difference between fast-forward and three-way merge, it all depends on the base commit. What is base commit? Base commit is the commit from which the branch originated. Here, the base commit for Branch1 is the…Git5 min readGit5 min read
Published inNerd For Tech·Nov 15, 2022Making sense of Git and GitHub — III [Reset, Branching]This post is in continuation of this post. Staging = Cached = Index. What command do we use? If you need to remove only from the Staging area, use git rm — cached <filename>. If you need to remove from both the Staging area and the Working directory, use git…Git5 min readGit5 min read
Published inNerd For Tech·Nov 3, 2022Making sense of Git and GitHub — IV [Merging and Conflict]This part is in continuation of this post — Making sense of Git and GitHub — III [Reset, Branching] If the branch is created, it needs to be merged with the parent branch(master). It is the master branch ultimately deployed. This is called git merging. We will illustrate merging, Note: …Git4 min readGit4 min read
Published inNerd For Tech·Oct 31, 2022Making sense of Git and GitHub — II [ Staging and Committing, Commit History, Difference]This is in continuation of this post(Making sense of Git and GitHub — I). Please read before proceeding. We will create a new file Index.css in the working directory. What would be the output if we give git status now? Does the new file added tracked by the local repo(git)…Git7 min readGit7 min read
Published inNerd For Tech·Oct 30, 2022Making sense of Git and GitHub — I [Central vs. Distributed VCS, Git-GitHub, Working-Staging-Repo]Why do we need Git? Without Git, modern software development is not possible. Believe this is not an understatement. Today software development has many collaborators and teams, and they work on single source code because software should have a single source code to function and can’t have multiple source codes. But we can’t build massive…Git7 min readGit7 min read
Published inNerd For Tech·Sep 26, 2022Declutter Array.reduce()Many people say using Reduce method in your code makes it messy. Hence many experts advise avoiding it as much as possible. But leave all those advice aside. We will make sense now. Remember, it is still a built-in method for Arrays in Javascript. Reduce = Many to one. It…JavaScript6 min readJavaScript6 min read
Published inNerd For Tech·Sep 25, 2022CORS ExplainedYou can read more about HTTP here. CORS — Cross Origin Resource Sharing. Let’s understand the difference between Origin and Site. Let’s take an URL: http://app.paperless.com/about Here http:// → Scheme(protocol used) app → Sub-domain paperless -> second-level domain com → Top-level domain about → sub-directory Take a long URL like…Cors2 min readCors2 min read
Published inNerd For Tech·Sep 16, 2022Understanding Async, Event loop, Task queue in JSWe know Javascript is single-threaded and synchronous. Read more about this here. Single-Threaded = Process one line at a time. Synchronous = Sequence = one after other. Let’s give Rashomon’s effect on synchronicity. If it processes one after the other, the second line waits for the first line and the…Call Stack5 min readCall Stack5 min read
Published inNerd For Tech·Sep 4, 2022Understanding Execution-context, Hoisting, Call-stack, Closures, Scope, Block in JavaScriptNote: I have imported it from my blog. So it may not look like the original post. If you want to read the original blog. Please visit here. Is JavaScript synchronous? Yes. Is JavaScript single-threaded? Yes. Enough of jargon like thread and synchronous. Let’s understand these terms first. Synchronous =…JavaScript8 min readJavaScript8 min read
![Making sense of Git and GitHub — V [Rebase, GitHub ]](https://miro.medium.com/v2/resize:fill:224:224/0*3LYP_G_DxzsMfwxn.png)
![Making sense of Git and GitHub — V [Rebase, GitHub ]](https://miro.medium.com/v2/resize:fill:160:112/0*3LYP_G_DxzsMfwxn.png)
![Making sense of Git and GitHub — III [Reset, Branching]](https://miro.medium.com/v2/resize:fill:224:224/0*imj0oYbv8TCTRafa.png)
![Making sense of Git and GitHub — III [Reset, Branching]](https://miro.medium.com/v2/resize:fill:160:112/0*imj0oYbv8TCTRafa.png)
![Making sense of Git and GitHub — IV [Merging and Conflict]](https://miro.medium.com/v2/resize:fill:224:224/0*D71sxZE7QQ4bKIOR.png)
![Making sense of Git and GitHub — IV [Merging and Conflict]](https://miro.medium.com/v2/resize:fill:160:112/0*D71sxZE7QQ4bKIOR.png)
![Making sense of Git and GitHub — II [ Staging and Committing, Commit History, Difference]](https://miro.medium.com/v2/resize:fill:224:224/0*yZ2b40i99y0O6wX6.png)
![Making sense of Git and GitHub — II [ Staging and Committing, Commit History, Difference]](https://miro.medium.com/v2/resize:fill:160:112/0*yZ2b40i99y0O6wX6.png)
![Making sense of Git and GitHub — I [Central vs. Distributed VCS, Git-GitHub, Working-Staging-Repo]](https://miro.medium.com/v2/resize:fill:224:224/0*otMgpaSddMAW-kj3.png)
![Making sense of Git and GitHub — I [Central vs. Distributed VCS, Git-GitHub, Working-Staging-Repo]](https://miro.medium.com/v2/resize:fill:160:112/0*otMgpaSddMAW-kj3.png)
