bm | Binary merkle tree implementation | Dataset library

 by   sorpaas Rust Version: Current License: Apache-2.0

kandi X-RAY | bm Summary

kandi X-RAY | bm Summary

bm is a Rust library typically used in Artificial Intelligence, Dataset applications. bm has no bugs, it has no vulnerabilities, it has a Permissive License and it has low support. You can download it from GitHub.

Binary merkle tree implementation with support of merkleization, de-merkliezation and in-place tree modification.
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            kandi-support Support

              bm has a low active ecosystem.
              It has 17 star(s) with 3 fork(s). There are 3 watchers for this library.
              OutlinedDot
              It had no major release in the last 6 months.
              There are 3 open issues and 5 have been closed. On average issues are closed in 16 days. There are no pull requests.
              It has a neutral sentiment in the developer community.
              The latest version of bm is current.

            kandi-Quality Quality

              bm has 0 bugs and 0 code smells.

            kandi-Security Security

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

            kandi-License License

              bm is licensed under the Apache-2.0 License. This license is Permissive.
              Permissive licenses have the least restrictions, and you can use them in most projects.

            kandi-Reuse Reuse

              bm releases are not available. You will need to build from source code and install.

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            bm Key Features

            No Key Features are available at this moment for bm.

            bm Examples and Code Snippets

            No Code Snippets are available at this moment for bm.

            Community Discussions

            QUESTION

            Faster methods to create geodataframe from a Dask or Pandas dataframe
            Asked 2022-Mar-31 at 20:54

            Problem

            I'm trying to clip a very large block model (5.8gb CSV file) containing centroid x, y, and z coordinates with an elevation raster. I'm trying to obtain only the blocks lying just above the raster layer.

            I usually do this in ArcGIS by clipping my block model points to the outline of my raster and then extracting the raster values to the block model points. For large datasets this takes an ungodly amount of time (yes, that's a technical term) in ArcGIS.

            How I want to solve it

            I want to speed this up by importing the CSV to Python. Using Dask, this is quick and easy:

            ...

            ANSWER

            Answered 2022-Mar-31 at 20:54

            The optimal way of linking dask and geopandas is the dask-geopandas package.

            Source https://stackoverflow.com/questions/71685387

            QUESTION

            How can I fix this issue in R with webscraping?
            Asked 2022-Mar-09 at 12:46

            I am trying to pull across data from within over 800 links and putting it onto a table. I have tried using chrome selector gadget but cannot work out how to get it to loop. I must have spent 40 hours and keep getting error codes. I need to pull the same information from li:nth-child(8) , li:nth-child(8) strong and another couple text boxes of information. I have tried following a YouTube video and I just changed the names and links but otherwise maintained consistency and it just will not work.

            ...

            ANSWER

            Answered 2022-Mar-09 at 12:46

            We can use simple for loop,

            Source https://stackoverflow.com/questions/71408828

            QUESTION

            when i use vscode extension Remote-ssh to connect to my remote server, i found vs cannot install vscoe-server in host
            Asked 2022-Feb-24 at 05:55

            this is the log when vscode install vscode-server in host

            i found that it got vscode-server commit id as follow log:

            ...

            ANSWER

            Answered 2022-Feb-24 at 05:55

            I had this problem as well since this morning and what was odd for me was that I could SSH from the terminal to the target host with no problem.

            After some debugging, it seems like the Remote - SSH extension is causing the trouble. The following two options worked for me. Either:

            1. Downgrading the extension to 0.70.0 works for me. The current version (0.74.0 as of now) was updated just two days ago and I think this update is causing the trouble.

            2. If you would like to keep the current version, then turning off remote.ssh.useLocalServer also works. If you're on a mac, go to Code > Preferences > Settings (Cmd + ,) and then type remote.ssh.useLocalServer and it'll show the option which is turned on by default. Turning this off did the trick for me too.

            Source https://stackoverflow.com/questions/71231718

            QUESTION

            Android Bitmap: Pixels appear to be rectangular when zooming (possible Bitmap artifacts)
            Asked 2022-Jan-24 at 18:53

            I am creating a pixel art editor for Android, and to do this, I am using a Canvas with a Bitmap.

            Here is an exert of some of my code (MyCanvasView) which handles the majority of pixel art functionality:

            ...

            ANSWER

            Answered 2022-Jan-24 at 18:53

            Why are you resizing the bitmap? Why are you creating a new bitmap every time onDraw is called?

            Every time you resize the bitmap, you cause a magnification or minification algorithm to be applied. That's probably the cause of the distortions you're seeing.

            You should create one bitmap at start, and render that in the onDraw method. The matrix you're calculating in getResizedBitmap should instead be used as an argument to this function

            Source https://stackoverflow.com/questions/70721632

            QUESTION

            Scraping a list of urls using beautifulsoup and convert data to csv
            Asked 2021-Dec-16 at 15:41

            I am new to Python. Questions below:

            1. I have a list of urls I want to scrape data from. I don't know what is wrong with my code, I am unable to retrieve results from all urls. The code is only scraping the first url and not the rest. How can I successfully scrape data (title, info, description, application) in all urls in the list?

            2. If question 1 works, how can I convert the data into a CSV file?

            Here is the code:

            ...

            ANSWER

            Answered 2021-Dec-16 at 15:41

            Try the following kind of approach:

            Source https://stackoverflow.com/questions/70368713

            QUESTION

            Empty collection view crashes when refreshing due to scrolling
            Asked 2021-Oct-27 at 20:34

            My horizontal collection view (only when it has 0 cells) causes a crash when attempting to refresh the parent view. When there are 0 items (i.e. "shownStations") for the collection view, the collection view is hidden. When refreshing the parent view, an API call is made to get any available items for the collection view. The code of the collection view that seems relevant to the error message (below) is as follows:

            ...

            ANSWER

            Answered 2021-Oct-27 at 20:34

            Somewhere in your program someone is probably calling scrollToItems(at:,scrollPosition:). They either don't know the collection is empty and are just passing in (row:0, item:0) as the index path instead of just skipping the scroll call altogether. Or they think your collection contains at least one item.

            To further diagnose the issue, I would either set a breakpoint on exceptions or set a breakpoint on the UIScrollView function and look at the backtrace to see who is making the call.

            You also want to check your Data Source to make sure it's been updated with the correct number of items at the time the scroll happens.

            But having a backtrace to find out who or what is causing the scrollview to scroll would be a great first step.

            Source https://stackoverflow.com/questions/69744921

            QUESTION

            Pattern matching a bitstring using pin operator in Elixir
            Asked 2021-Oct-08 at 00:34
            # Erlang/OTP 24, Elixir 1.12.3
            
            bmp_signature = <<66, 77>>
            #=> "BM"
            
            <<^bmp_signature, _::binary>> = <<66, 77, 30, 0>>
            #=> ** (MatchError) no match of right hand side value: <<66, 77, 30, 0>>
            
            ...

            ANSWER

            Answered 2021-Oct-04 at 15:42

            Your syntax is slightly off. Remember that the pin operator ^ pins only a single value. In your example, you were trying to pin it to 2 values.

            So if the thing you are trying to match on is a binary with 2 values that you are aware of, then you would need to pin both of them, e.g.

            Source https://stackoverflow.com/questions/69437814

            QUESTION

            Could not find com.huawei.hms:hwid:5.3.0.301 & push kit when adding HMS alongside GMS using HMS Toolkit
            Asked 2021-Aug-26 at 11:48

            I'm trying to add the HMS into our GMS first app. This is a massive application so we decided to try the HMS Toolkit conversion software. The toolkit added the necessary dependencies and modules and made the appropriate replacements where needed but when I try to build our application, I get the following errors regarding the generated module's dependencies:

            ...

            ANSWER

            Answered 2021-Aug-25 at 23:41

            Try updating your dependencies to the latest available versions.

            'com.huawei.hms:hwid:5.3.0.301' --> 'com.huawei.hms:hwid:6.0.1.300' 'com.huawei.hms:push:5.3.0.300' --> 'com.huawei.hms:push:5.3.0.304'

            Here's a link to a list of the latest SDK versions. https://developer.huawei.com/consumer/en/doc/development/HMSCore-Guides/hmssdk-kit-0000001050042513

            Source https://stackoverflow.com/questions/68921399

            QUESTION

            Print an image of the content of a Panel excluding any external overlapping Window
            Asked 2021-Aug-24 at 07:01

            I have some problems.
            I have a Panel and a PictureBox in a Form.
            I would like to open a Windows application (for example Notepad) and parent it to the panel.
            I then want to show an image of the content of the Panel in the PictureBox:

            My code:

            ...

            ANSWER

            Answered 2021-Aug-24 at 07:01

            Since you want to render to Bitmap the content of a Panel - which is hosting an external application - you cannot use Control.DrawToBitmap(): the contents of the hosted application, parented calling SetParent(), won't be printed.
            Since you also want to exclude from the rendering any other Window that may be hovering over the Panel, you can use the PrintWindow function, passing the handle of the Panel's Parent Form.
            The Form will receive a WM_PRINT or WM_PRINTCLIENT message and will print itself to the Device Context specified: in this case, generated from a Bitmap.

            This is not a screenshot: the Window paints itself and its content to a DC, so it doesn't matter whether other Windows are hovering / partially of fully overlapping it, the result is the same.

            I'm using DwmGetWindowAttribute, setting DWMWA_EXTENDED_FRAME_BOUNDS, to get the bounds of the Window to print. It may seem redundant, but, if your app is not DpiAware and you have a High-Dpi screen, it will appear less redundant in that case. Better have it, IMO.
            This function is more reliable than, say, GetWindowRect or GetClientRect, it will return correct measures in variable DPI contexts.

            You cannot pass the handle of a child Window to this function, so I'm using the Handle of the Parent Form to generate the Bitmap, then select the section where the Panel is located. This is determined by:

            [ParentForm].RectangleToClient([Child].RectangleToScreen([Child].ClientRectangle))

            Start the Process and parent Notepad's Window to the Panel control:

            Source https://stackoverflow.com/questions/68890833

            QUESTION

            Why does coded version of std::all_of() benchmark differently than call to std::all_of()?
            Asked 2021-Jul-08 at 09:34

            I've been inspired the 2015 code::dive conference "Writing Fast Code" talk by Andrei Alexandrescu: https://www.youtube.com/watch?v=vrfYLlR8X8k

            I took the llvm std::all_of code and benchmarked it against a direct call to std::all_of(). I used google benchmark, and a range of 0 - 65535 elements (that all satisfy the predicate):

            ...

            ANSWER

            Answered 2021-Jul-08 at 09:34

            As the comments above say, you're comparing the libstdc++ version of all_of with the libc++ version which you copied into your code, and the libstdc++ version is faster.

            As for why it's faster: std::all_of calls std::find_if_not, which calls __find_if_not. This function negates the predicate and calls __find_if, passing it the iterator category as an additional parameter.

            __find_if has two overloads: One for input iterators, which is similar to the implementation you showed above. The other is for random access iterators. This overload can calculate the length of the range, which allows it to unroll the loop and perform four predicate calls in each iteration. This is the reason it can work faster on random-access containers such as std::vector.

            Source https://stackoverflow.com/questions/68293965

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

            Vulnerabilities

            No vulnerabilities reported

            Install bm

            You can download it from GitHub.
            Rust is installed and managed by the rustup tool. Rust has a 6-week rapid release process and supports a great number of platforms, so there are many builds of Rust available at any time. Please refer rust-lang.org for more information.

            Support

            For any new features, suggestions and bugs create an issue on GitHub. If you have any questions check and ask questions on community page Stack Overflow .
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            gh repo clone sorpaas/bm

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