gb | gb single-file public domain libraries for C & C++ | DNS library

 by   gingerBill C Version: Current License: No License

kandi X-RAY | gb Summary

kandi X-RAY | gb Summary

gb is a C library typically used in Networking, DNS applications. gb has no bugs, it has no vulnerabilities and it has low support. You can download it from GitHub.

I may change it in the future but at the moment it is like this this:.
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              gb has a low active ecosystem.
              It has 488 star(s) with 40 fork(s). There are 27 watchers for this library.
              OutlinedDot
              It had no major release in the last 6 months.
              There are 11 open issues and 17 have been closed. On average issues are closed in 7 days. There are no pull requests.
              It has a neutral sentiment in the developer community.
              The latest version of gb is current.

            kandi-Quality Quality

              gb has 0 bugs and 0 code smells.

            kandi-Security Security

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

            kandi-License License

              gb does not have a standard license declared.
              Check the repository for any license declaration and review the terms closely.
              OutlinedDot
              Without a license, all rights are reserved, and you cannot use the library in your applications.

            kandi-Reuse Reuse

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

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            gb Key Features

            No Key Features are available at this moment for gb.

            gb Examples and Code Snippets

            Creates a Gb .
            javascriptdot img1Lines of Code : 1dot img1no licencesLicense : No License
            copy iconCopy
            function gb(a,b,c,d,e){return new gb.prototype.init(a,b,c,d,e)}  

            Community Discussions

            QUESTION

            Dramatic drop in numpy fromfile performance when switching from python 2 to python 3
            Asked 2022-Mar-16 at 23:53
            Background

            I am analyzing large (between 0.5 and 20 GB) binary files, which contain information about particle collisions from a simulation. The number of collisions, number of incoming and outgoing particles can vary, so the files consist of variable length records. For analysis I use python and numpy. After switching from python 2 to python 3 I have noticed a dramatic decrease in performance of my scripts and traced it down to numpy.fromfile function.

            Simplified code to reproduce the problem

            This code, iotest.py

            1. Generates a file of a similar structure to what I have in my studies
            2. Reads it using numpy.fromfile
            3. Reads it using numpy.frombuffer
            4. Compares timing of both
            ...

            ANSWER

            Answered 2022-Mar-16 at 23:52

            TL;DR: np.fromfile and np.frombuffer are not optimized to read many small buffers. You can load the whole file in a big buffer and then decode it very efficiently using Numba.

            Analysis

            The main issue is that the benchmark measure overheads. Indeed, it perform a lot of system/C calls that are very inefficient. For example, on the 24 MiB file, the while loops calls 601_214 times np.fromfile and np.frombuffer. The timing on my machine are 10.5s for read_binary_npfromfile and 1.2s for read_binary_npfrombuffer. This means respectively 17.4 us and 2.0 us per call for the two function. Such timing per call are relatively reasonable considering Numpy is not designed to efficiently operate on very small arrays (it needs to perform many checks, call some functions, wrap/unwrap CPython types, allocate some objects, etc.). The overhead of these functions can change from one version to another and unless it becomes huge, this is not a bug. The addition of new features to Numpy and CPython often impact overheads and this appear to be the case here (eg. buffering interface). The point is that it is not really a problem because there is a way to use a different approach that is much much faster (as it does not pay huge overheads).

            Faster Numpy code

            The main solution to write a fast implementation is to read the whole file once in a big byte buffer and then decode it using np.view. That being said, this is a bit tricky because of data alignment and the fact that nearly all Numpy function needs to be prohibited in the while loop due to their overhead. Here is an example:

            Source https://stackoverflow.com/questions/71411907

            QUESTION

            No member named 'cancelButtonTintColor' in 'JS::NativeActionSheetManager::SpecShowActionSheetWithOptionsOptions'
            Asked 2022-Mar-14 at 07:56

            Description

            How to fix this error. I have created simple project with latest version and when try to build the project via Xcode it generate error?

            Version

            0.67.3

            Output of npx react-native info

            ...

            ANSWER

            Answered 2022-Feb-27 at 07:55

            You could create that into the library source or you could avoid it and use the same UIColor option just above it.

            I removed: ( [RCTConvert UIColor:options.cancelButtonTintColor() ? @( options.cancelButtonTintColor()) : nil];* ) and replace it with: ( *[RCTConvert UIColor:options.tintColor() ? @(options.tintColor()) : nil]; )

            my line now looks like:

            Source https://stackoverflow.com/questions/71248072

            QUESTION

            WebSocket not working when trying to send generated answer by keras
            Asked 2022-Feb-17 at 12:52

            I am implementing a simple chatbot using keras and WebSockets. I now have a model that can make a prediction about the user input and send the according answer.

            When I do it through command line it works fine, however when I try to send the answer through my WebSocket, the WebSocket doesn't even start anymore.

            Here is my working WebSocket code:

            ...

            ANSWER

            Answered 2022-Feb-16 at 19:53

            There is no problem with your websocket route. Could you please share how you are triggering this route? Websocket is a different protocol and I'm suspecting that you are using a HTTP client to test websocket. For example in Postman:

            Postman New Screen

            HTTP requests are different than websocket requests. So, you should use appropriate client to test websocket.

            Source https://stackoverflow.com/questions/71099818

            QUESTION

            Why does fseek have "long int offset" instead of "long long int offset"?
            Asked 2022-Feb-13 at 16:31

            C2x, 7.21.9.2 The fseek function:

            Synopsis

            ...

            ANSWER

            Answered 2022-Feb-13 at 16:31

            The C Standard was formalized in 1990 when most hard drives were smaller than 2 GB. The prototype for fseek() was already in broad use with a long type offset and 32 bits seemed large enough for all purposes, especially since the corresponding system call used the same API already. They did add fgetpos() and fsetpos() for exotic file systems where a simple long offset did not carry all the necessary information for seeking, but kept the fpos_t type opaque.

            After a few years, when 64-bit offsets became necessary, many operating systems added 64-bit versions of the system calls and POSIX introduced fseeko() and ftello() to provide a high level interface for larger offsets. These extensions are not necessary anymore for 64-bit versions of common operating systems (linux, OS/X) but Microsoft decided to keep it's long, or more precisely LONG, type at 32-bits, solidifying this issue and other ones too such as size_t being larger than unsigned long. This very unfortunate decision plagues C developers on Win64 platforms ever since and forces them to use non portable APIs for large files.

            Changing fseek and ftell prototypes would create more problems with existing software as it would break compatibility, so it will not happen.

            Some other historical shortcomings are even more surprising, such as the prototype for fgets:

            Source https://stackoverflow.com/questions/71020745

            QUESTION

            native-image says "unknown type name 'uint8_t'" during compilation
            Asked 2022-Feb-06 at 12:57

            I'm getting this error:

            ...

            ANSWER

            Answered 2022-Feb-06 at 12:57
            Possible solution

            Please, consider trying to follow the instruction from quarkus/faq.adoc at main · quarkusio/quarkus:

            1. Native compilation

            Native executable fails on macOS with error: unknown type name 'uint8_t'

            Your macOS has the wrong *.h files compared to the OS and no gcc compilation will work. This can happen when you migrate from versions of the OS. See Cannot compile any C++ programs; error: unknown type name 'uint8_t'

            The solution is to

            • sudo mv /usr/local/include /usr/local/include.old
            • Reinstall XCode for good measure
            • (optional?) brew install llvm
            • generally reinstall your brew dependencies with native compilation

            The executable should work now.

            The purpose of (the idea behind) renaming the include directory (from include to include.old) seems to be explained in the answer.

            Additional references

            Source https://stackoverflow.com/questions/70745152

            QUESTION

            How can I define an infinite / looped algebraic datatype in haskell?
            Asked 2022-Jan-09 at 14:33

            I have a music note datatype defined like so:

            data Note = Ab | A | Bb | B | C | Db | D | Eb | E | F | Gb | G deriving (Eq, Ord)

            How can i make it an instace of Enum so that succ G returns Ab ?

            ...

            ANSWER

            Answered 2022-Jan-09 at 14:33

            You have to define the Enum instance yourself:

            Source https://stackoverflow.com/questions/70642186

            QUESTION

            Cannot fix the lack of memory problem in running "pvargmm"
            Asked 2021-Dec-26 at 05:44

            My computer uses a CPT of Intel(R) Core(TM) i7-10750H CPU @ 2.60GHz 2.59 GHz. Also my RAM memory size is 16 GB. When I run the following panel VAR model "pvargmm" in R,

            ...

            ANSWER

            Answered 2021-Dec-14 at 00:24

            Not an answer, but this might help someone else answer this. I coded this to re-create a data.frame of the size @Eric is working with.

            Source https://stackoverflow.com/questions/70232921

            QUESTION

            How do you grep/awk from a column in a file?
            Asked 2021-Dec-17 at 15:16

            I have a file of IDs called IDs_list.txt that I want to use in order to extract information from a second file which has hundreds of IDs, many of which are not in my specific IDS_list.txt.

            I've tried combinations of if and grep but my results keep coming up empty.

            Here is an example of what I'm trying to do and what I've done.

            ...

            ANSWER

            Answered 2021-Dec-17 at 15:16

            QUESTION

            reload=true not working in @click function
            Asked 2021-Dec-01 at 14:51

            I was working on currency switcher. i call method on click the link and after method successful want it to reload. but reload is not working at all. currency getting stored in cookie, if i refresh page manually it gets updated in navbar too, but i want it to reload automatically once method complete.

            here is the code in navbar..

            ...

            ANSWER

            Answered 2021-Nov-30 at 23:04

            Quick solution might be to pass reload as an optional parameter to setCurrency

            Source https://stackoverflow.com/questions/70177053

            QUESTION

            deserialize json to object with a dictionary System.Text.Json
            Asked 2021-Nov-22 at 13:43

            I am working on a .Net 6.0 project, and I want to migrate from Newtonsoft.Json to System.Text.Json. So far most is working, except the following:

            I've got this json:

            ...

            ANSWER

            Answered 2021-Nov-22 at 13:39

            The System.Text.Json library doesn't deserialize to fields. If you change your class to use a property instead, your sample JSON will deserialize as expected.

            Source https://stackoverflow.com/questions/70066572

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

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            No vulnerabilities reported

            Install gb

            You can download it from GitHub.

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