isaac | the ISAAC random number generator in Golang
kandi X-RAY | isaac Summary
kandi X-RAY | isaac Summary
This is a mildly ported version of Bob Jenkins' ISAAC, a fast 32-bit CSPRNG. More information on the algorithm can be found at The code emits a stream of random uint32 and also supports Go's crypto/cipher.Stream interface. Its output matches the official test vectors for ISAAC, but I can't make any guarantees about the cryptographic qualities of this code (especially the stream mode). Use at your own risk.
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Top functions reviewed by kandi - BETA
- Seed creates a random key
- main implementation of Mix
- safeXORBytes compares two byte slices and returns the result .
- NewISAACStream creates a new ISAAC stream with the given key
isaac Key Features
isaac Examples and Code Snippets
Community Discussions
Trending Discussions on isaac
QUESTION
I got two unquoted and single column TSV files (exported from a database) with a few thousand people names and I need to find the names that appear in both files. Both files are UTF-8, CRLF terminated, and start with the BOM 0xEF 0xBB 0xBF.
A simple join or comm command could have done the trick but there are a few differences in the names:
ANSWER
Answered 2022-Feb-14 at 13:10How about agrep? man agrep: agrep - search a file for a string or regular expression, with approximate matching capabilities. It's not perfect like we will see:
QUESTION
I have the following sentence as an example
...ANSWER
Answered 2022-Feb-23 at 05:03You can simplify your regex isaac[\s\S]+?morka without using lookaround.
Test the regex here: https://regex101.com/r/bmp5pH/1
QUESTION
I found this error when I tried to run an angular application. Any tip?
...ANSWER
Answered 2022-Feb-02 at 10:04I solve it by changing:
nodeversion to 16.webpackversion to 4.
QUESTION
just starting with javascript and react thanks to Gatsby so excuse me if this is a total newbie question. Also just starting with posting on stackoverflow, usually just consuming content, sorry about that and if my post is incomplete or unclear in anyway.
I am building a website using GatsbyJs, and want to setup a proper sitemap using gatsby-plugin-sitemap, however i am strugling to understand what the following line of code does so i can try and customize de code to do what I need, which is integrate the pages and blog posts on the sitemap, and adding a proper lastmod when applicable. I am breaking my head but cannot get the last part to work, that is, adding lastmod when it is a blog post.
...ANSWER
Answered 2022-Jan-06 at 10:28With this:
QUESTION
I am running into a problem that I cannot find any solution for the moment even by searching on the internet.
I am currently working on a 2D game and I want my player to go on every direction and diagonally. For that reason I need to get two inputs from the keyboard, thing that I could code but now my problem is, when I press the second key, I have a slight delay where my player do not move. This is very annoying because the movement is not smooth at all when I am changing my direction. Here my class where I manage all the inputs. Thanks in advance for your help.
...ANSWER
Answered 2021-Dec-11 at 17:32The problem is that your input handling logic, like incrementing your x variable via x += speed; (in getAWSDkeys()) is only performed when the OS sends window event messages for your keyboard. That only happens for KEY_DOWN, KEY_UP and KEY_REPEAT events. And, yes, there is a delay between a KEY_DOWN and a KEY_REPEAT event when you press and hold the same key.
In order to fix that, you just have to move your game logic (like the aforementioned increment/decrement of the x or y variable) outside of the key event handler.
Normally, you have a game loop for that, which also calls glfwPollEvents() (or glfwWaitEvents() if you decoupled your input/window event handling from rendering).
So, your keyboard event handler function should only set some boolean flag for every possible key indicating that this key is now down/pressed or up/released.
And in your game/input loop, you just query the state of your boolean flags and act accordingly by doing the x/y increment/decrement there.
Instead of storing your own boolean flags for all keys whether they are down/up, you can also use the glfwGetKey() function. Note, though, that this function does not query the current key state, but returns cached key state (cached intside of GLFW) which GLFW sets/remembers internally when you call glfwPollEvents()/glfwWaitEvents().
See: https://www.glfw.org/docs/3.3/input_guide.html#input_key
This function only returns cached key event state. It does not poll the system for the current physical state of the key.
In short: The problem is that your game logic is inside of the window event message callback (which is called by glfwPollEvents/glfwWaitEvents when there are keyboard events sent by the OS to your process/game). You must decouple the handling of input events from the actual game logic.
QUESTION
ANSWER
Answered 2021-Dec-27 at 23:25I resolved the issue. The main issue was that for film_category and film_actor, the primary was composite of foriegn keys(i.e film_id from film, category_id from category/ actor_id from actor). I had to change the definition for the repositories for both something like this
QUESTION
Consider a pandas DataFrame with 2 columns: image_id and name
- Each row represents one person (name) located in an image (image_id)
- Each image can have 1 or more people
- Each name can appear at most once in an image
- Friendship order does not matter, e.g. Bob & Mary = Mary & Bob
How can I count how many times two people occur in the same image across the entire dataset?
...ANSWER
Answered 2021-Nov-21 at 16:20We can use crosstab to calculate frequency table then calculate the inner product on this frequency table to count the number of times two people occur in same image
QUESTION
At the moment, I'm trying to set up my docker-compose file to run multiple (two) Node.js API's. The first Node.js server connects fine to the database.
The second Node.js server keeps throwing this error
original: Error: connect ECONNREFUSED 172.29.0.3:3307
So my question is how to run multiple Node.js API's in docker?
This is my docker-compose.yaml:
...ANSWER
Answered 2021-Nov-15 at 15:11Mysql is always listening on port 3306 in each container, so if you want to have multiple mysql instances in the same host, you will need to map different host ports to the same guest port
Hence you will need to change your docker-compose file as follows
QUESTION
So for this project I need to automate my testing. I can run the tests locally without a problem; they all pass. But as soon as I do a pull request, the tests fail in Github actions. I want to make sure the tests also pass on Github actions.
Error on Github actions
I get the following error:
node.js.yml
I use the following workflow to run the tests:
...ANSWER
Answered 2021-Nov-08 at 17:09Not sure if I understand your question completely but I think if you add DIALECT (instead of DB_DIALECT) under the env: in your workflow yml you should be fine.
At least, that's how the sequelize-cli GitHub Action for testing is set up; https://github.com/sequelize/cli/blob/main/.github/workflows/ci.yml
QUESTION
I have a MultiIndex DataFrame built from multiple dataframes and I need to reset the first index. I don't want to change anything but the first index; the entire structure and order of everything else should be preserved.
What I currently have is something like this:
...ANSWER
Answered 2021-Oct-28 at 07:38One option is
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