Elixir — quick reference for debugging techniques
“Red and black beetle climbs on purple plants in the wild” by Mahdi Shakhesi on Unsplash Much has been said about Elixir debugging techniques, but in this post, I’d like to give a quick overview of all possible options to serve as a go-to reference when you need to debug Elixir code. Enough talking, let’s check each of them: IO.inspectThe simplest technique: IO.inspect to printIO.inspect/2can also
A Guide To Debugging Angular Applications
Photo by Markus Spiske on UnsplashDebugging is key to building any application. One cannot build an application bug-free on the first go. Although there are a few things we could do to avoid creating bugs from a developers point of view, like defensive programming or Test Driven Development, in any non-trivial application, bugs are unavoidable. Knowing how to debug an application is a key skill fo
How to trace a GenServer’s Execution? Elixir
This article is for beginners especially who have been started playing with GenServer . Today, you are going to build an OTP server and you will trace the server using simple technique. This is not a technique, it is an option while calling the start_link/3 function. Talk is cheap, lets code it. What we do here ?We together implement the STACK server and will trace that server. As you know stack i
Debugging Elixir in VS Code
I recently released an early alpha of ElixirLS, an IDE “smartness” server for Elixir. It powers an associated VS Code plugin and includes debugger integration. More on that here. Debugging in Elixir or Erlang is a little different than in other languages, so there are a few things you should know. You need Erlang >= OTP 19As mentioned in this post, you’re going to need Erlang version OTP 19 or hig
『ZERO BUGS』を読んだ - r7kamura - Medium
Amazonでケイト・トンプソン, 酒匂 寛, 小田 朋宏の{ProductTitle}。アマゾンならポイント還元本が多数。一度購入いただいた電子書籍は、KindleおよびFire端末、スマートフォンやタブレットなど、様々な端末でもお楽… 全体が78個の物語によって構成されており、それぞれの物語において教訓が紹介される。ZERO BUGS というタイトルの通り、どの物語もソフトウェアの不具合をテーマにしている。文章の内容は平易で、プログラマ初心者にもわかりやすく、しかしながら示唆に富んでおり、経験が浅いプログラマであれば「なるほど」、経験が深いプログラマであれば「あるある」とどちらも頷きながら読み進めていけるはず。 それぞれの物語は2ページ程度でとても短く、何かの合間にも少しずつ読み進めていける。出来る限りコンパクトに話を収めようという気持ちで書かれていることが文面から伝わり、とても好感が
Introducing: Android DebugPort 2.0
A drop-in tool to connect to your app and execute both Java and SQL commands from the comfort of your computer’s terminal. Nowadays it’s fairly common for languages and platforms to provide a REPL (Read Eval Print Loop) to make it easy to execute arbitrary code from the command line. While a Java REPL is in the works for Java 9, I imagine we’re going to have to wait many years before we can use it
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Quick tips & tools for analysing Erlang/Elixir crash dumps
Profiling GKE startup time
