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Greg McDermott

Questions by Greg McDermott

Checkstyle : always receive File contains tab characters (this is the first instance)?

I'm using Checkstyle for Java in Eclipse IDE. I don't know in every java file, at second line, I always receive warn...

XMLHttpRequest module not defined/found?

This is my code: var XMLHttpRequest = require("xmlhttprequest").XMLHttpRequest; var xhr = new XMLHttpRequest(); xhr...

TypeError: 'list' object cannot be interpreted as an integer?

The playSound function is taking a list of integers, and is going to play a sound for every different number. So if ...

Password protect a CSV file?

I am using a csv file to authenticate user login. Is it possible to password protect the CSV file? I do not want any...

How to clear mysql screen console in windows??

The title is my question. I googled and try something like mysql> !\ clear mysql> !\ cls mysql> system cls...

C# 8 gives a warning when returning a nullable generic with nullable constraint?

This code: public T Foo<T>() where T : class? { return null; } Gives a following error: A null ...

Difference between “while” loop and “do while” loop?

What is the difference between while loop and do while loop. I used to think both are completely same.Then I came ac...

click and re-click function within click function?

I have a image in which I wanted to call click and re-click function. So I used .toggle() function instead of .click...

Starting an Android service from a different package?

I can't seem to start my android service when the service code is in another package that is not the same package as...

Converting String to Double in Android?

Trying to get double values from an EditText and manipulate them before passing them to another Intent. Not using pr...

ExecuteNonQuery inside loop?

I'm trying to insert a database record inside a loop in C#. It works when I hard code the values like this: st...

How to fix file format and extension don't match??

I created a code in c# which creates and saves excel file. The code can successfully create and save excel file, but...

TypeError: can't multiply sequence by non-int of type 'str'?

>>> Enter muzzle velocity (m/2): 60 Enter angle (degrees): 45 Traceback (most recent call last): File "F...

Multiplication function with recursion in Python?

I need to write the function mult( n, m ) that should output the product of the two integers n and m. I am limited t...