conserve | 🌲 robust portable backup tool in Rust | Continuous Backup library

 by   sourcefrog Rust Version: v23.1.1 License: Non-SPDX

kandi X-RAY | conserve Summary

kandi X-RAY | conserve Summary

conserve is a Rust library typically used in Backup Recovery, Continuous Backup applications. conserve has no bugs, it has no vulnerabilities and it has low support. However conserve has a Non-SPDX License. You can download it from GitHub.

[beta] robust portable backup tool in Rust
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              conserve has a low active ecosystem.
              It has 184 star(s) with 19 fork(s). There are 13 watchers for this library.
              OutlinedDot
              It had no major release in the last 12 months.
              There are 45 open issues and 107 have been closed. On average issues are closed in 583 days. There are 3 open pull requests and 0 closed requests.
              It has a neutral sentiment in the developer community.
              The latest version of conserve is v23.1.1

            kandi-Quality Quality

              conserve has 0 bugs and 0 code smells.

            kandi-Security Security

              conserve has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.
              conserve code analysis shows 0 unresolved vulnerabilities.
              There are 0 security hotspots that need review.

            kandi-License License

              conserve has a Non-SPDX License.
              Non-SPDX licenses can be open source with a non SPDX compliant license, or non open source licenses, and you need to review them closely before use.

            kandi-Reuse Reuse

              conserve releases are available to install and integrate.
              Installation instructions, examples and code snippets are available.

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            conserve Key Features

            No Key Features are available at this moment for conserve.

            conserve Examples and Code Snippets

            No Code Snippets are available at this moment for conserve.

            Community Discussions

            QUESTION

            Handling rounding errors in matrix multiplication in numpy
            Asked 2022-Apr-09 at 14:53

            TL;DR: Matrix multiplication for state transition matrix should be norm preserving, but np.matmul does not conserve norm. How can I fix this? Is there a better python module to do so?

            I have a right state transition matrix, A, i.e., s(t)A(tau)=s(t+tau)

            where s(t) is a column matrix which sums to 1. Also, we know that each row of A adds upto 1 as well.

            We know that A^n is also a right state transition matrix for any n in natural numbers.

            One way to find the steady state distribution is to compute A^n as n goes to infinity. The following snippet calculates A^(2^n):

            ...

            ANSWER

            Answered 2022-Apr-09 at 14:29

            The problem comes from the fact that the operation is not numerically stable. As a result it quickly diverge (exponentially) to 0 or infinity even with relatively-small values of n like 70. You can use a diagonalization method based on eigenvalues (see here for more informations) which is far more numerically stable.

            Source https://stackoverflow.com/questions/71808365

            QUESTION

            micropython and sys.implementation- different on XIAO SAMD21 and XIAO RP2040
            Asked 2022-Mar-27 at 18:05

            I was working with micropython on a SEEED XIAO (SAMD21) using version 1.18, and wanted to use 'compiled' libraries (.mpy) to conserve space. I had mpy-cross for version 5 which worked okay for me. I also wanted to have floating point so I built a new micropython with that option- from the latest (20220302) github version- and noticed that mpy-cross had updated to version 6. I thought I would check to see which versions of .mpy were used The micropython documentation suggests some code to check the version of .mpy using the sys.implementation object. I noticed a variety of sys.implementation implementations.

            Version 1.18- released by micropython 20220117 on the XIAO SAMD21 gave the following results:

            ...

            ANSWER

            Answered 2022-Mar-27 at 18:05

            If you want to use precompiled/bytecode .mpy files then you will need to Decide to use either bytecode or compile to native code for your mcu platforms.

            For bytecode you will need to distribute a bytecode version that matches the runtime firmware, 1.12-1.18 == 5, next version will increase

            For native code you'll need to distribute versions for each platform that you want to support. An esp32c3 cannot run stm32 native code and vice-versa

            Also the different ports/board will indeed have differences in some of the stdlib APIs. Your code must be robust enough to handle these differences.

            Source https://stackoverflow.com/questions/71330735

            QUESTION

            How to fix incorrect energy conservation problem in mass-spring-system simulation using RK4 method
            Asked 2022-Feb-28 at 13:10

            I am making a simulation where you create different balls of certain mass, connected by springs which you can define (in the program below all springs have natural length L and spring constant k). How I do it is I created a function accel(b,BALLS), (note b is the specific ball and BALLS are all of the ball objects in various stages of update) which gets me acceleration on this one ball from calculating all the forces acting on it (tensions from ball the springs connected to it and gravity) and I would think this function is definitely correct and problems lie elsewhere in the while loop. I then use the RK4 method described on this website: http://spiff.rit.edu/richmond/nbody/OrbitRungeKutta4.pdf in the while loop to update velocity and position of each ball. To test my understanding of the method I first made a simulation where only two balls and one spring is involved on Desmos: https://www.desmos.com/calculator/4ag5gkerag I allowed for energy display and saw that indeed RK4 is much better than Euler method. Now I made it in python in the hope that it should work with arbitrary config of balls and springs, but energy isn't even conserved when I have two balls and one spring! I couldn't see what I did differently, at least when two balls on involved. And when I introduce a third ball and a second spring to the system, energy increases by the hundreds every second. This is my first time coding a simulation with RK4, and I expect you guys can find mistakes in it. I have an idea that maybe the problem is caused by because there are multiple bodies and difficulties arises when I update their kas or kvs at the same time but then again I can't spot any difference between what this code is doing when simulating two balls and my method used in the Desmos file. Here is my code in python:

            ...

            ANSWER

            Answered 2022-Feb-27 at 10:53

            The immediate error seems to be this

            Source https://stackoverflow.com/questions/71282857

            QUESTION

            using sample in aggregate
            Asked 2022-Feb-27 at 21:58

            I have a list of lists. Every element of the main list is a list that correspond to a note,every note in the list, has an integrer called fold_ID. I want to sample one note of each folder ID. I am currently doing this:

            ...

            ANSWER

            Answered 2022-Feb-27 at 21:58

            You could try this way.. lets assume your list-of-lists is called mylist, and it has the structure that you show above

            push your folder ids and notes into a table

            Source https://stackoverflow.com/questions/71288290

            QUESTION

            How do I combine rows of data based on values of other variables in R?
            Asked 2022-Feb-01 at 21:59

            I am trying to combine rows of data based on levels of other variables I have attached a sample of my data below.

            ...

            ANSWER

            Answered 2022-Feb-01 at 21:59

            Here is a potential solution using dplyr:

            Source https://stackoverflow.com/questions/70948009

            QUESTION

            Error in as.data.frame.default(x[[i]], optional = TRUE) : cannot coerce class ‘structure("mmquery_bioc", package = "multiMiR")’ to a data.frame
            Asked 2022-Jan-22 at 13:39

            I'm having trouble getting a table of results.

            Command: answer <- get_multimir(url = NULL, org = "hsa", mirna = "MIMAT0000450", target = NULL, disease.drug = "cancer", table = "validated", predicted.cutoff = NULL, predicted.cutoff.type = "p", predicted.site = "conserved", summary = FALSE, add.link = FALSE, use.tibble = TRUE, limit = NULL, legacy.out = FALSE)

            When I am trying to create a table using: write.table(answer,"C:\\Users\\Someone\\Desktop\\Rresults\\data.csv", row.names=FALSE)

            it results in the following error:

            Error in as.data.frame.default(x[[i]], optional = TRUE) : cannot coerce class ‘structure("mmquery_bioc", package = "multiMiR")’ to a data.frame

            ...

            ANSWER

            Answered 2022-Jan-22 at 13:38

            get_multimir is used to retrieve predicted and validated miRNA-target interactions and their disease and drug associations from the multiMiR package.

            It returns an object of class mmquery_bioc

            The error:

            Error in as.data.frame.default(x[[i]], optional = TRUE) : cannot coerce class ‘structure("mmquery_bioc", package = "multiMiR")’ to a data.frame

            is informing you that R does not know how to convert this object into a data frame.

            It is not completely clear what you are trying to achieve but if I was to take a guess, perhaps you just need the data slot from this object:

            Source https://stackoverflow.com/questions/70813142

            QUESTION

            Optimized multiple list traversal in parallel function
            Asked 2022-Jan-13 at 17:29

            I wrote a function to traverse multiple DNA sequence lists and graph their homology as a fraction of identical base content, so that one can easily see regions of high homology vs. regions of low homology across multiple species.

            To do this, I pass a numpy array of m sequence lists from an alignment file (clustal in this case):

            ...

            ANSWER

            Answered 2022-Jan-13 at 17:27

            I think you might have overthought this problem a bit.

            Source https://stackoverflow.com/questions/70699833

            QUESTION

            Background size is not scaling with viewport size
            Asked 2021-Dec-29 at 02:23

            I have an issue with background size. Basically if you will change the viewport size of this page https://attiliosantomo.com/sfera the background is not following the viewport dimension, but it conserve previous viewport dimension and only if I refresh the page background will update to viewport size. Can someone help me? How would like my background follow viewport size by scaling his dimension.

            ...

            ANSWER

            Answered 2021-Dec-27 at 17:21
            1. Your are using element with css (widht & height) inline, for your custom css you should use !important with size values

            2. For element use object-fit instead of background-size

            like this:

            Source https://stackoverflow.com/questions/70498179

            QUESTION

            partial tucker decomposition
            Asked 2021-Dec-28 at 21:06

            I want to apply a partial tucker decomposition algorithm to minimize MNIST image tensor dataset of (60000,28,28), in order to conserve its features when applying another machine algorithm afterwards like SVM. I have this code that minimizes the second and third dimension of the tensor

            ...

            ANSWER

            Answered 2021-Dec-28 at 21:05

            So if you look at the source code for tensorly linked here you can see that the documentation for the function in question partial_tucker says:

            Source https://stackoverflow.com/questions/70466992

            QUESTION

            Reset functional child components from parent
            Asked 2021-Dec-15 at 23:41

            I need to rerender the components GridSquare from component GridPixels. When the users clicks the button "Reset Colors" the component should reset the child components generated by a map.

            The flow is:

            1. User clicks "Reset Colors" button. This button is inside GridPixels component.

            2. Gridpixels component should rerender.

            3. The GridSquare component should be reset. This means that his state should be reset. The purpose of this is that inside GridSquare there is a css class called "set-color-red". When resetting the GridSquare component, the state inside GridSquare component should contain "".

            All the GridSquare components are rerendered but the state is mantained. I need to reset the state for every GridSquare component from the GridPixels component.

            I tried adding one to the index map each time the "Reset Colors" button is clicked but the state is conserved, is not reset.

            ...

            ANSWER

            Answered 2021-Dec-15 at 23:41

            You can use a key prop on your parent.

            The special key prop is used by React to help it understand which components are to be rerendered with prop changes and which should be scrapped and rebuilt.

            We run into this most often when mapping over something to build a list.

            Pass a callback down to your children that will update the value of key.

            See the forked sandbox: https://codesandbox.io/s/react-functional-component-forked-vlxm5

            Here are the docs: https://reactjs.org/docs/lists-and-keys.html#keys

            Source https://stackoverflow.com/questions/70369275

            Community Discussions, Code Snippets contain sources that include Stack Exchange Network

            Vulnerabilities

            No vulnerabilities reported

            Install conserve

            Conserve storage is within an archive directory created by conserve init:. conserve backup copies a source directory into a new version within the archive. Conserve copies files, directories, and (on Unix) symlinks. If the conserve backup command completes successfully (copying the whole source tree), the backup is considered complete. conserve diff shows what's different between an archive and a source directory. It should typically be given the same --exclude options as were used to make the backup. conserve versions lists the versions in an archive, whether or not the backup is complete, the time at which the backup started, and the time taken to complete it. Each version is identified by a name starting with b. conserve ls shows all the files in a particular version. Like all commands that read a band from an archive, it operates on the most recent by default, and you can specify a different version using -b. (You can also omit leading zeros from the backup version.).
            To build Conserve you need Rust and a C compiler that can be used by Rust. To install the most recent release from crates.io, run. To install from a git checkout, run. On nightly Rust only, you can enable a potential speed-up to the blake2 hashes with.

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            gh repo clone sourcefrog/conserve

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