A little information on how cognitive complexity works and why you should keep it low First of all it is important to understand how “Cognitive Complexity” works as compared to “Cyclomatic Complexity“. Cognitive complexity takes into account the complexity perceived by the human brain. This is why it does not simply indicate the number of … Read more
Humans can easily keep in mind about 7 entities +/- 2(wikipedia). When somebody needs to read the code they may run into this limit. Sometimes there are too many local variables to keep track of, or too many if/for statements. In all cases it makes it harder to understand what the code is supposed to … Read more
As it is now possible with the current release of SonarLint (I’m using version 3.0.0.2041), people might be interested in the solution. File -> Settings -> Other Settings -> SonarLint General Settings Click on the green + in “SonarQube servers” : Enter a name (ex : SonarQube / localhost) Select SonarQube and enter URL like … Read more
I believe you have your answer there. Concatenation is calculated beforehand the condition check. So if you call your logging framework 10K times conditionally and all of them evaluates to false, you will be concatenating 10K times with no reason. Also check this topic. And check Icaro’s answer’s comments. Take a look to StringBuilder too.
You can install SonarLint from the Eclipse Marketplace and read the official SonarLint documentation
For intellij: Go to File -> Settings New window will open In new window Expand tools -> locate SonarLint and click on it. Under settings tab of SonarLint -> uncheck the box ‘Automatically trigger Analysis’.
You can use //NOSONAR or @SuppressWarnings() but you need to specify the rule. From the SonarQube documentation: The //NOSONAR tag is useful to deactivate all rules at a given line but is not suitable to deactivate all rules (or only a given rule) for all the lines of a method or a class. This is … Read more
SonarLint lives only in the IDE (IntelliJ, Eclipse and Visual Studio). Its purpose is to give instantaneous feedback as you type your code. For this, it concentrates on what code you are adding or updating. SonarQube is a central server that processes full analyses (triggered by the various SonarQube Scanners). Its purpose is to give … Read more