intellij-idea – Page 10

Google-guava checkNotNull and IntelliJ IDEA’s “may produce java.lang.NullPointerException”

September 1, 2023 by Tarik

Through a combination of @Contract annotations and the External Annotations feature, you can now annotate Preconditions methods such that IntelliJ applies the correct static analysis to calls to these methods. Let’s say we have this example public void doSomething(Object someArg) { Preconditions.checkArgument(someArg != null); someArg.doSomethingElse(); //currently gives NPE warning if (someArg != null) { //no … Read more

Move file from one editor window to another (split mode)

September 1, 2023 by Tarik

Goto File->Settings Then Keymap Type in the searchbox “Move To Opposite Group” Assign a shortcut Also useful is “Goto Next Splitter” which allows you to switch between your Splitter. But you’ll hardly find a shortcut which is not already occupied. I used Ctrl + NumPad+ for “Move To Opposite Group” and Ctrl + ArrowRight for … Read more

Update external libraries with intellij and java

September 1, 2023 by Tarik

You can go to Preferences -> Build, Execution, Deployment -> Build Tools -> Maven -> Importing and check the box that says Import Maven projects automatically. In Mac, you can do Command + Shift + A, then enter the action reimport, then click on Reimport all Maven projects.

Intellij IdeaVim change keys

August 29, 2023 by Tarik

As of IdeaVim 0.35 (released 2014-05-15), key mappings in ~/.ideavimrc are supported. You can put source ~/.vimrc in that file if you want to include mappings from ~/.vimrc. Release announcement VIM-288 (Note: This question could probably be considered a duplicate of this other StackOverflow question.)

How to provide standard library sources for IntelliJ IDEA’s Rust project?

August 28, 2023 by Tarik

As commented, the supported approach is to use rustup: Navigate to https://rustup.rs/ and follow the installation instructions for your platform. Add the rust-src component by running: rustup component add rust-src Create a new Rust project in IntelliJ and choose your existing Rust project source. If the folder already contains previous IntelliJ project files, you may … Read more

Attaching Gradle sources in IntelliJ IDEA

August 25, 2023 by Tarik

To improve on @anon58192932 answer you can use only gradleVersion and distributionType fields of Wrapper task and don’t need to manually create distributionUrl which is more error prone since you could change gradle version in one place, but not in the other. task wrapper(type: Wrapper) { gradleVersion = ‘4.2’ distributionType = Wrapper.DistributionType.ALL } @edit gradle … Read more

How do I stop tabs from re-ordering inside IntelliJ IDEA?

August 24, 2023 by Tarik

This is really annoying and sad, because this issue is from 2009 and it’s still unsolved. I tested multiple configurations and find a suitable solution. For my workaround and a more intuitive behaviour go to Settings -> Editor Tabs Placement: Right or Left (show tabs in single row should be checked & frozen) check Show … Read more

CodeLens style in-context information in IntelliJ IDEA

August 24, 2023 by Tarik

(22-Aug-2022 updated) The hints from git blame are also available in the latest IntelliJ IDEA. ================== (For CodeLens function references feature) Now it’s a built-in feature after version IntelliJ IDEA 2020.1. You can enable it from: Ref: https://blog.jetbrains.com/idea/2020/03/intellij-idea-2020-1-beta2/

Kotlin – IntelliJ Project Setup

August 20, 2023 by Tarik

You can’t assemble the project cause main method is not static. So you should define it in companion object. class HelloKotlin { companion object { @JvmStatic fun main(args: Array<String>) { println(“Kotlin main is running here!”) } } }

How to create named code blocks in Intellij?

August 20, 2023 by Tarik

They have implemented region-support now! From http://youtrack.jetbrains.com/issue/IDEA-80636 Currently Intellij IDEA supports two basic types of custom folding comments: NetBeans-like: //<editor-fold desc=”…”> … code … //</editor-fold> And VisualStudio-like: //region <…> … code … //endregion Note that line commenting symbols for “region…endregion” can be changed from “//” to “#” if the ‘#’ character is supported by a … Read more