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Significant new inventions in computing since 1980
...World Wide Web ("distributed hypertext via simple mechanisms") as proposed and implemented by Tim Berners-Lee started in 1989/90.
While the idea of hypertext had existed before (Nelson’s Xanadu had tried to implement a distributed scheme), the WWW was a new approach for implementing a distribute...
Why does string::compare return an int?
...eturn an int instead of a smaller type like short or char ? My understanding is that this method only returns -1, 0 or 1.
...
What is the fastest integer division supporting division by zero no matter what the result is?
...
Inspired by some of the comments I got rid of the branch on my Pentium and gcc compiler using
int f (int x, int y)
{
y += y == 0;
return x/y;
}
The compiler basically recognizes that it can use a condition flag of the test in the addition.
As per request the assembly:
.globl...
C/C++ with GCC: Statically add resource files to executable/library
...stream to make an iostream. std::stringstream is not great for this though and you can of course just use a pointer anywhere you can use an iterator.
If you're using this with automake don't forget to set BUILT_SOURCES appropriately.
The nice thing about doing it this way is:
You get text out, ...
Difference between System.DateTime.Now and System.DateTime.Today
Can anyone explain the difference between System.DateTime.Now and System.DateTime.Today in C#.NET? Pros and cons of each if possible.
...
How can I check if multiplying two numbers in Java will cause an overflow?
I want to handle the special case where multiplying two numbers together causes an overflow. The code looks something like this:
...
How to add one day to a date? [duplicate]
...boundaries. Make sure you are calling getTime() on your Calendar instance, and not get(...). Also note that months are from 0-11, but days are from 1-31.
– Daniel Rikowski
Jan 30 '18 at 10:37
...
JavaScript DOM remove element
I'm trying to test if a DOM element exists, and if it does exist delete it, and if it doesn't exist create it.
5 Answers
...
Database cluster and load balancing
... be on 2 different servers how do they keep the data between synchronized. And how does this differ from load balancing from a database server perspective?
...
Should I learn C before learning C++? [closed]
I visited a university CS department open day today and in the labs tour we sat down to play with a couple of final-year projects from undergraduate students. One was particularly good - a sort of FPS asteroids game. I decided to take a peek in the src directory to find it was done in C++ (most of...