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Continue ReadingWhy Is Printing “B” Dramatically Slower Than Printing “#”?
I generated two matrices of 1000 x 1000: First Matrix: O and #. Second Matrix: O and B. Using the following code, the first matrix took 8.52 se
Continue ReadingIs Java “Pass-by-Reference” or “Pass-by-Value”?
I always thought Java was pass-by-reference; however I’ve seen a couple of blog posts (for example, this blog) that claim it’s not. I don’t thin
Continue ReadingWhy Is Subtracting These Two Times (In 1927) Giving a Strange Result?
If I run the following program, which parses two date strings referencing times one second apart and compares them: public static void main(String[]
Continue ReadingWhy Is Char[] Preferred Over String for Passwords?
In Swing, the password field has a getPassword() (returns char[]) method instead of the usual getText() (returns String) method. Similarly, I have com
Continue ReadingWith C arrays, why is it the case that a[5] == 5[a]?
![With C arrays, why is it the case that a[5] == 5[a]?](https://tfetimes.com/wp-content/uploads/2015/02/C.jpg)
As Joel points out in Stack Overflow podcast #34, in C Programming Language (aka: K & R), there is mention of this property of arrays in C: a[5] =
Continue ReadingC++: Determine if Only One Instance Is Running
This task is to determine if there is only one instance of an application running. If the program discovers that an instance of it is already running,
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