Questions tagged [random]
The random tag has no usage guidance.
7
questions
0
votes
1
answer
357
views
How to spawn sprite on random edge axes
In Scratch, how do I spawn a sprite randomly at any point along any of the four edges of the stage?
I have tried using a go to motion block with a pick random operator, but of course this limits the ...
- 32
0
votes
1
answer
136
views
C random string generator help? cs50
I am trying to implement a function to generate a random string consisting of only a-z characters both upper and lower case.. What is wrong with the code I wrote and how can I fix it? I am constantly ...
- 1
0
votes
1
answer
89
views
drand error pset3
I ran the following basic code and it came up with an error. I'm not sure why:
Thank you.
- 7
0
votes
0
answers
52
views
Touching Color Issues, Recursion and Pseudo-randoms in Scratch
http://scratch.mit.edu/projects/42012966
Hello All,
So I was trying to build this little recursive scribbler that makes random little networks of lines, basically like an ant colony but have run into ...
- 141
0
votes
1
answer
4k
views
implicit declaration of function 'drand48()' is invalid in c99 / generating random numbers
I'm now working on pset4 in edx. The spec requires that the velocity of the ball to be generated from a random number using drand48().
I looked at man drand48() saying this is a double type stuff, ...
- 63
0
votes
1
answer
559
views
calling srand48 rand vrs srand
I was tinkering with the bounce function in pset4 trying to get the ball the bounce randomly around the window. I am getting stuck with PRNG. I just can't seem to get it to work using the srand48 ...
0
votes
1
answer
166
views
drand48() Invalid Operands
This is my code:
int min = 6;
int max = 9;
double x = min + (drand48() * 10) % (max - (min - 1));
Console Error message:
Any idea what I am doing wrong?
- 25