The Guy with The Hat

The Guy with The Hat has asked 7 questions and find answers to 20 problems.

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About

Familiar with many languages and technologies, primarily java, python, processing, and javascript.

The Guy with The Hat questions

Difference between glcolor3b and glcolor3ub
Why is an array's length immutable? [duplicate]
Can static code blocks throw exceptions? [duplicate]
Why is ".concat(String)" so much faster than "+"? [duplicate]
Assigning `{} + []` to a variable

The Guy with The Hat answers

Delete text within quotes
How to match a string that starts and ends with the same letter?
Difference between machine language, binary code and a binary file
Tokenizing an infix string in Java
Eclipse: Getting null display
Create custom objects on the fly
Write text on the screen with LWJGL
Using regex to find sql parameters in a string
Why is ".concat(String)" so much faster than "+"? [duplicate]
Notepad++ Search and Replace: delete all after "/" in each row