private List<String> strings;
When the cursor is on theRead more…
List<String>and start insert. Obviously, you can use any other command with that movement, for example yank the text (
yiW) or delete it (
For new projects, Java configuration is preferred over XML-based configuration. In this post, we’re going to look at how to configure Spring with configuration in Java, instead of the traditional XML.Read more…
If you have installedRead more…
moreutils(see below), you can type
vidirto open up the current working directory in your
$EDITOR. You can use all the power of your editor to edit and/or delete filenames and directories. Editing a line will rename the file or directory, deleting a line will remove the file or directory.
How can remove most of the files in a directory in Bash?Read more…
tomcat7-maven-pluginto spin up a Tomcat 7 container where I can run my web application. When I added dependencies for log4j2 (version 2.11.0) to my project, I got the error:
org.apache.tomcat.util.bcel.classfile.ClassFormatException: Invalid byte tag in constant pool: 19
log4j2is a multi-release jar and older versions of Tomcat can’t handle that. So I needed to upgrade my Tomcat maven plugin.
Ever wanted to test whether a log statement is triggered? Or whether the format is the way you want? In this post, we’re going to create a custom log appender so we can be sure logging is behaving the way we expect.Read more…
Sometimes you want to test if certain log output gets generated when certain events happen in your application. Here is how I unit test that using log4j2 (version 2.11.0).Read more…
If you are working with microservices, you may find that you are having a lot of dependencies on other services. If you want your tests to be autonomous, that is, running in isolation of those dependencies, you can either use a tool like WireMock, or you can use a mocking framework.
Recently, I came across JMockit, a mocking framework for Java.Read more…
Sometimes, a little feedback is appreciated when writing some of the more complex Bash constructs. The “magic space” is one the things that can help us get quick feedback.Read more…