or-tools
cobra
or-tools | cobra | |
---|---|---|
57 | 129 | |
10,446 | 36,077 | |
0.9% | - | |
9.9 | 7.8 | |
7 days ago | 3 days ago | |
C++ | Go | |
Apache License 2.0 | Apache License 2.0 |
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For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
or-tools
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or-tools VS timefold-solver - a user suggested alternative
2 projects | 4 Jan 2024
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A* Tricks for Videogame Path Finding
Small NP-hard problems aren't actually that bad. You can usually formulate them as eg a integer programming problem or a SMT problem, and throw an off-the-shelf solver at them.
You only need to learn the solver once, and you can re-use it for all kinds of problems. (Assuming that your instances don't have to be solved with low latency. Eg only as part of your level generation process, or at most when loading a randomly generated level, but not every frame or so.)
https://developers.google.com/optimization has a decent collection of tools.
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Ask HN: Comment here about whatever you're passionate about at the moment
Just saw that it looks like an upcoming release of OR-Tools might include reified tables: https://github.com/google/or-tools/commit/94f3d9b46870e7ea04...
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[P] Advice needed for what tool/algorithm is appropriate
Google OR - Tried to represent a solution to be a 5 dimensional matrix with an hour granularity. Dimensions are stations, program, project manager, day and time. If matrix[station][program][project manager][day][time] = 1, then that set is assigned, otherwise not. The main issue encountered here is about time slots, as they are not necessarily on a per hour basis. We tried time slots to be in a 5-minute interval. However, constructing the constraints that would adhere to each programs duration was proven to be difficult.
- What software is used in the field these days?
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Sudoku solver
If you are just interested in getting a solution or for having a reference solver: There is a sudoku example in the OR-Tools package that uses constraint programming.
- Matrix / 2d Array Puzzle-Like Problem
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Linear Programming
Not sql, but check out google’s OR-Tools. Hardly ever gets mentioned but looks very capable for some applications. https://developers.google.com/optimization
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Would anyone know how to auto schedule tasks based on certain constraints?
Then there's also the Google's solution: https://developers.google.com/optimization/
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Assignment to at most K groups from distance matrix?
start enumerating the properties you think the solution to your problem should have. once you have this, you should be able to reformulate those properties as constraints and then you can just plug this into a combinatorial solver such as https://developers.google.com/optimization
cobra
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The power of the CLI with Golang and Cobra CLI
We can use the flag with --date or -date, Go already does the automatic check. We can make our entire boilerplate with this approach, but let's make it a little easier and use the Cobra CLI package.
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Build your own curl in Golang
In this tutorial, we'll walk through the process of creating a simple command-line tool similar to curl using Go and Cobra, a CLI library for Go.
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Scripts should be written using the project main language
I use https://github.com/spf13/cobra religiously for this kind of thing - it handles all the annoying corner cases of parsing flags, and also has an intuitive notion of subcommands (with basic usage/help text generated) for picking which task you want to run with positional arguments.
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Command Line Interface Guidelines
We recently chose cobra[1] to create a cli application. It comes with so many best practices already packaged like autocompletions, help texts etc. etc.
[1]: https://github.com/spf13/cobra
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What 3rd-party libraries do you use often/all the time?
github.com/spf13/cobra
- O poder do CLI com Golang e Cobra CLI
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How to read Cobra command line flag
I looked at the docs: https://cobra.dev/ ... and there are only examples on how to add new flags.
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Dockerizing Golang CLI Tool - A Step-by-Step Guide
For installing Cobra-CLI you can go to Cobraor run go install github.com/spf13/cobra-cli@latest in the terminal.
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Packaging Go for Arch Linux Tutorial
In my build phase, I compile the source to create a k3sup binary and I also run the binary to generate shell script completions. Give kudos to this functionality which comes from spf13/cobra Go library for CLIs.
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Add License Headers to Your Code Files
NWA is a command-line tool built on cobra. Here's an overview of NWA's commands:
What are some alternatives?
OptaPlanner - Java Constraint Solver to solve vehicle routing, employee rostering, task assignment, maintenance scheduling, conference scheduling and other planning problems.
urfave/cli - A simple, fast, and fun package for building command line apps in Go
optapy - OptaPy is an AI constraint solver for Python to optimize planning and scheduling problems.
cli - CLI - A package for building command line app with go
pyomo - An object-oriented algebraic modeling language in Python for structured optimization problems.
kingpin - CONTRIBUTIONS ONLY: A Go (golang) command line and flag parser
SciPy - SciPy library main repository
kong - Kong is a command-line parser for Go
optaplanner-quickstarts - Mirror of https://github.com/apache/incubator-kie-optaplanner-quickstarts
go-flags - go command line option parser
SWIG - SWIG is a software development tool that connects programs written in C and C++ with a variety of high-level programming languages.
mitchellh/cli - A Go library for implementing command-line interfaces.