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Page 774 of my articles, tutorials, and thoughts
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What does the explicit keyword mean?
š **Decoding the Mysterious `explicit` Keyword in C++** šµļøāāļø Have you ever stumbled upon the `explicit` keyword while traversing the vast valleys of C++ code? š¤āØ Fret not, my fellow tech enthusiasts! In this blog post, I'll unravel the secrets behind
Couldn"t connect to server 127.0.0.1:27017
š Hey there! Are you having trouble connecting to the server at 127.0.0.1:27017? Don't worry, I'm here to help you out! š Based on the error messages and details you provided, it seems like you're facing a common issue with the MongoDB server. Let's bre
Change R default library path using .libPaths in Rprofile.site fails to work
# How to Change R Default Library Path: A Simple Fix š¢ Calling all R users! š¢ Have you ever encountered the frustrating issue of not being able to change the default library path in R using the `.libPaths()` command in the `Rprofile.site` file? š« I fee
Use dynamic name for new column/variable in `dplyr`
## š” Using Dynamic Names for New Columns in dplyr Do you want to create multiple new columns in a data frame using the `dplyr::mutate()` function with dynamically generated column names? If you're facing the issue of only getting one new variable instead
Expert R users, what"s in your .Rprofile?
šš» Hacking Your .Rprofile: Unleash the Power of R! šš„ Hey, fellow R enthusiasts! šš” Are you tired of your plain and boring R environment? Do you envy other R users with their customized .Rprofile files? Well, you're in luck! šāØ In this blog post, w
How can I remove all objects but one from the workspace in R?
# Removing All Objects But One in R: A Quick and Easy Guide! š Are you facing a cluttered workspace in R with lots of objects? š° Don't worry, we've got you covered! In this blog post, we will tackle a common issue faced by R users ā how to remove all ob
Force R not to use exponential notation (e.g. e+10)?
# How to Force R Not to Use Exponential Notation (e.g. e+10) Have you ever encountered the frustration of dealing with exponential notation in R? You know, that "e+10" format that always seems to pop up when you least expect it. It can be quite a headache
Turning off some legends in a ggplot
# A Guide to Turning Off Legends in ggplot šØ Have you ever struggled with removing certain legends in a ggplot? š Don't worry, you're not alone! It's a common issue that many data visualization enthusiasts face. In this blog post, we'll tackle this prob
Split a vector into chunks
# Splitting a Vector into Chunks: A Handy Guide for R Programmers š©āš»š So, you're looking for a way to split a vector into equal-sized chunks in R? You've come to the right place! š In this guide, we'll explore a common problem encountered by R progra
How do I start Mongo DB from Windows?
# Getting Started with MongoDB on Windows š So, you've installed MongoDB on your Windows machine but can't seem to get it started. Don't worry, we've got you covered! In this guide, we'll walk you through the necessary steps to start MongoDB and even int