--- title: Best Faun posts — January 2025 | daily.dev description: The most upvoted Faun posts from January 2025, curated by the daily.dev community. canonical: https://daily.dev/sources/faun/best-of/2025/01 twitter:card: summary_large_image twitter:site: @dailydotdev og:url: https://daily.dev/sources/faun/best-of/2025/01 og:type: website og:site_name: daily.dev og:title: Best Faun posts — January 2025 | daily.dev og:description: The most upvoted Faun posts from January 2025, curated by the daily.dev community. og:image: https://media.daily.dev/image/upload/s--VAY5ToZt--/f_auto/v1724209435/public/daily.dev%20-%20open%20graph --- # Best of Faun — January 2025 1. 1 [](https://daily.dev/posts/introduction-guide-to-rpc-in-golang-n6o9zw8z1 "Introduction Guide to RPC in Golang") Article Faun · 2y Introduction Guide to RPC in Golang RPC (Remote Procedure Call) simplifies communication between services by allowing a procedure to be executed on a remote machine as if it was a local function. This guide explains the need for RPC in place of traditional API calls in distributed systems, provides an example of a key-value store implementation, and outlines server and client design in Golang using the rpc package. It also covers the structure of RPC functions and the practical steps to run both the server and client. 29 2. 2 [](https://daily.dev/posts/essential-python-libraries-for-data-science-in-2025-m2mcnlnbm "Essential Python Libraries for Data Science in 2025") Article Faun · 2y Essential Python Libraries for Data Science in 2025 Python remains the top choice for data science due to its versatility, simplicity, and strong community support. Essential Python libraries such as NumPy, Pandas, Scikit-learn, TensorFlow, PyTorch, SciPy, Altair, XGBoost, Statsmodels, and Plotly are highlighted for their key features and use cases, all of which continue to evolve to meet the demands of data science in 2025\. Staying current with these libraries is crucial for maintaining efficiency, competitiveness, and innovation in the field. 25 1 3. 3 [](https://daily.dev/posts/how-to-check-whether-the-particular-port-is-in-use-java-3vdd5xuqc "How to check whether the particular port is in use : Java") Article Faun · 2y How to check whether the particular port is in use : Java When facing issues with a REST-based web service installation in WIX, it was discovered that the application couldn't start because the specified port was already in use. To check port usage, the Socket class in Java was utilized to validate if a specified port is in use on the localhost. 11 [See all Faun archives](/sources/faun/best-of) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@graph":[{"@type":"CollectionPage","@id":"https://daily.dev/sources/faun/best-of/2025/01#page","url":"https://daily.dev/sources/faun/best-of/2025/01","name":"Best Faun Posts — January 2025","description":"The most upvoted Faun posts from January 2025, curated by the daily.dev community.","isPartOf":{"@type":"WebSite","url":"https://daily.dev"}},{"@type":"ItemList","@id":"https://daily.dev/sources/faun/best-of/2025/01#items","numberOfItems":3,"itemListElement":[{"@type":"ListItem","position":1,"url":"https://daily.dev/posts/introduction-guide-to-rpc-in-golang-n6o9zw8z1","name":"Introduction Guide to RPC in Golang"},{"@type":"ListItem","position":2,"url":"https://daily.dev/posts/essential-python-libraries-for-data-science-in-2025-m2mcnlnbm","name":"Essential Python Libraries for Data Science in 2025"},{"@type":"ListItem","position":3,"url":"https://daily.dev/posts/how-to-check-whether-the-particular-port-is-in-use-java-3vdd5xuqc","name":"How to check whether the particular port is in use : Java"}]},{"@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://daily.dev"},{"@type":"ListItem","position":2,"name":"Sources","item":"https://daily.dev/sources"},{"@type":"ListItem","position":3,"name":"Faun","item":"https://daily.dev/sources/faun"},{"@type":"ListItem","position":4,"name":"Best of","item":"https://daily.dev/sources/faun/best-of"},{"@type":"ListItem","position":5,"name":"January 2025"}]}]} ```