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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 ReadingJava Questions
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Continue ReadingC++: Radix Sort
// C++ LSD Radix Sort example, queue implementation #include <iostream.h> #include <cstdlib.h> #include <ctime.h> using
Continue ReadingObfuscated C Code Contest 2006. Please explain sykes2.c
How does this C program work? main(_){_^448&&main(-~_);putchar(--_%64?32|-~7[__TIME__-_/8%8][">'txiZ^(~z?"-48]>>";;;====~$::199"[_*2
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 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 ReadingBest Quant Data Sources
Best Quant Data Sources Economic Data World OECD.StatExtracts includes data and metadata for OECD countries and selected non-member economies.
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 ReadingImprove INSERT-per-second performance of SQLite?
Optimizing SQLite is tricky. Bulk-insert performance of a C application can vary from 85 inserts-per-second to over 96 000 inserts-per-second! Back
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