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random - What's the Right Way to use the rand() Function in C++?

I'm doing a book exercise that says to write a program that generates psuedorandom numbers. I started off simple ... ideas? Thanks in advance. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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688 views

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random - Crash when casting the result of arc4random() to Int

I've written a simple Bag class. A Bag is filled with a fixed ratio of Temperature enums. It allows you to ... It's probably something obvious but I'm stumped. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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608 views

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random - How many double numbers are there between 0.0 and 1.0?

This is something that's been on my mind for years, but I never took the time to ask before. Many ( ... interested in Java's definition of double in particular. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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785 views

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random - How can I shuffle the lines of a text file on the Unix command line or in a shell script?

I want to shuffle the lines of a text file randomly and create a new file. The file may have several thousands of lines. ... I do that with cat, awk, cut, etc? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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903 views

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random - Most efficient way to randomly "sort" (Shuffle) a list of integers in C#

I need to randomly 'sort' a list of integers (0-1999) in the most efficient way possible. Any ideas? Currently, ... ] = true; bIndexSet[iSwapIndex] = true; } } Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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595 views

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random - Is it correct to use JavaScript Array.sort() method for shuffling?

I was helping somebody out with his JavaScript code and my eyes were caught by a section that looked like that: ... the results below as one of the answers. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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732 views

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random - How can i optimize MySQL's ORDER BY RAND() function?

I'd like to optimize my queries so I look into mysql-slow.log. Most of my slow queries contains ORDER BY RAND(). I cannot ... != 'b:0;' ORDER BY RAND() LIMIT 1 Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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879 views

1 answer

random - Java Arrays The following method prototype can be used as guidance for what is needed

I've been working on this coderunner test and I'm not sure how I should write it in java. This is question. ... -following-method-prototype-can-be-used-as-guidance-for-what-is-n...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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762 views

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random - how do I add 3 points randomly to a list?

I have a list below community_card_suit, and I want to randomly add 3 points to any of the indexes, so for example ... questions/65903056/how-do-i-add-3-points-randomly-to-a-list...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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757 views

1 answer

random - Sampling from a matrix of discrete probability distributions in Python without a loop

I have a numpy array P with size (N,M), where each row is a discrete probability distribution over 0, . ... -from-a-matrix-of-discrete-probability-distributions-in-python-without-a...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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692 views

1 answer

random - Julia, function to replicate "rbinom()" in R

I have dug around and googled but not found an example. I'm sure Julia has a powerful function (in ... stackoverflow.com/questions/65922988/julia-function-to-replicate-rbinom-in-r...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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675 views

1 answer

random - How do I create a column with two values (or names) at a given weight in R

I'm trying to create a column in my data in .dbf. I need to create a column in which 70% is 0 (or TRUE) and 30% ... -create-a-column-with-two-values-or-names-at-a-given-weight-in-r...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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641 views

1 answer

random - Computer guessing number python

I'm very new to programming and am starting off with python. I was tasked to create a random ... :https://stackoverflow.com/questions/65602244/computer-guessing-number-python...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

583 views

1 answer

random - How to use rayleigh_distribution<> from boost library in c++?

I'm trying to generate random number using Rayleigh distribution. I have implemented this using the c++ the library ... /how-to-use-rayleigh-distribution-from-boost-library-in-c...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.0k views

1 answer

random - How randomize products display on a page using Divi theme and Woocommerce

I am doing a shop page using Divi theme and I am trying to display randomly products from a certain category ... -products-display-on-a-page-using-divi-theme-and-woocommerce...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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862 views

1 answer

random - AWS DynamoDB - Pick a record/item randomly?

Any ideas how to pick an item/record randomly from a DynamoDB table? I don't believe there are any ... .com/questions/10666364/aws-dynamodb-pick-a-record-item-randomly...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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837 views

1 answer

random - AWS DynamoDB - Pick a record/item randomly?

Any ideas how to pick an item/record randomly from a DynamoDB table? I don't believe there are any ... .com/questions/10666364/aws-dynamodb-pick-a-record-item-randomly...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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720 views

1 answer

random - Efficient use of Octave's randsample (with weights) in a situation of huge vector and most weights equal to zero

In an upcoming simulation project, I will come in a situation where I will have to draw one random element from ... of-octaves-randsample-with-weights-in-a-situation-of-huge-vecto...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

746 views

1 answer

random forest - Samples x features ratio in RF models

I am currently trying to build random forest models to infer the relevance of a list of features in 70 subjects ... .com/questions/66062932/samples-x-features-ratio-in-rf-models...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

744 views

1 answer

random - C++ quadratic congruential generator

I'm rather new to C++ and I'm trying to implement a simple quadratic congruential random number ... https://stackoverflow.com/questions/66067052/c-quadratic-congruential-generator...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

649 views

1 answer

random - How to apply OTP in python

I am fairly new to programming and trying to create a program where a user get OTP by using random library and ... //stackoverflow.com/questions/66057850/how-to-apply-otp-in-python...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

803 views

1 answer

random - R generate points with condition using runifpoint function

I am trying to generate randomly distributed points in a rectangle. To create 50 random points in a rectangle, I used ... except for the grey shaded area, in the below image...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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742 views

1 answer

random - Computer guessing number python

I'm very new to programming and am starting off with python. I was tasked to create a random number guessing game. The idea ... str(guessNum3)) input() print("I got it!") input()...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

726 views

1 answer

random - Best way of testing randomized function

Let's say I have a random number generator for 3 categories: Prob Yield 0.1 10 0.2 5 0.7 2...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

811 views

1 answer

random - How to do an 8-bit, 16-bit, and 32-bit Linear-Feedback Shift Register PRNG in JavaScript?

I am looking for a PRNG that works in O(1) time and never encounters a duplicate number as you increment through ... x, never encountering a duplicate number until you start over....

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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