How do I undo my last comment in Git?
Learn how to use the “git reset” command and reset the HEAD pointer to undo your last commit.
Questions
How do I delete a branch locally and remotely in Git?
Learn how to view and delete branches on both local and remote repositories so you can keep your project tidy and manageable.
What is the difference between String and string in C#?
Should you be concerned about the difference a capital letter makes with “string” in C#?
How do I convert an InputStream to a string in Java?
Learn how to load text in a binary file to an InputStream and convert it to a string using ByteArrayOutputStream with a ByteBuffer.
How do I iterate a hash map in Java?
Learn to iterate HashMaps using forEach and Java 8’s new lambda syntax.
What is the difference between var functionName = function() {} and function functionName() {} in JavaScript?
Learn how the JavaScript engine loads function declarations and expressions differently, and how this affects your code.
How do JavaScript closures work?
Learn the logic behind closures with a practical demonstration and explanation of why they are important to maintaining privacy in your code.
In Python, can I create a global variable inside a function and then use it in a different function?
Learn to make variables globally available from within a function, as well as the associated risks and caveats.
How can I generate random integers in a specific range with Java?
Learn how to limit your random number generation to a specific range while using java.util.Random, Math.random, and ThreadLocalRandom.
Does Python have a ternary conditional operator?
Learn how to use Python’s ternary operator to create powerful “one-liners” and enhance logical constructions of your arguments.
How can I add comments in JSON?
Learn how to work around the lack of comment support with tips for creating structure-specific comments that won’t be rejected by the compiler.
How can I remove properties from JavaScript objects?
Learn how to erase JavaScript properties using the delete method, or convert the property to “undefined.”