Learning new language or framework can sometimes be a struggle. Traditional approach is to read documentation which explains the concepts, and provides simple examples. Sometimes that might be enough, but what those documentations are often lacking are some advanced examples and usages in real projects.
Coming across a problem which is not described in documentation, most people look for solution on stackoverflow (or dig through sources). However the framework you are using might not be in the game for long enough to fill stackoverflow with every question you come up with.
Have you ever been stuck with a problem and thought to yourself:
“I know someone must have solved this before! Why there is no stackoverflow answer to this problem?”
You are right - someone has probably already solved it. And it’s very likely the solution has been pushed to github. It’s just a matter of finding it. Programmers are more likely to solve the issues themselves rather than ask random people on the internet about it.
Github search code
Github search provides a way to query repos in a various ways. One of them is searching code. This is extremly powerful feature. Every line ever written by anybody can be found with simple queries. The “good” thing about github is that the private repos are not free, so there are many projects implicitly shared to public by people who just want to backup their code. This is a goldmine of information!
Below are some of the examples which I find github search code is handy for.
Learning new api
Have you ever been stuck with 3rd party api, and unable to find similar code snippets for your case?
I was recently in need to use akka streams to read a huge file and pass the results to another file instantly. The documentation regarding this topic is good but short and could provide more examples.
Github advanced search to the rescue. After few clicks I found an awesome piece of code that streams the csv file modifies it and dumps to another file!
Finding projects using technologies you are interested in
Let’s say you want to learn Spring MVC, Hibernate and testing with Spock. You could go to the docs of each libraries, and learn them one by one… or just find a project which integrates all of them.
Most platforms have some kind of dependency management tools. In case of Java that is
usually Maven which stores all dependencies information in
You can therefore query keywords and filename to find the projects you are interested in:
spring hibernate spock filename:pom.xml
This method is also great if you are looking for projects to contribute to.
Integrating with external services
Looking for a quick way to integrate with github api using your favourite language? No problem - just look for the repos with the api url and filter by language:
It also wouldn’t hurt to take a look at configuration files of real big projects. This might be extremly helpful, particularly in case of immature frameworks.
Let’s take a look how to configure akka cluster. Such configuration should
ClusterActorRefProvider keyword and reside in file with
.conf extension (usually
Github search is underrated yet extremly powerful tool for learning new apis,solving issues and finding repos you might be interested in. This is a great way to quickly get started with new framework - finding code snippets that are similar to what you want to achieve has never been easier. It also makes you feel less alone with the issues you encounter - it’s very likely some has already solved them. Likewise, discovering interesting projects with this search engine is just a matter of minutes.
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