struct | Python struct module implemented in C | 3D Printing library

by mpapierski C++ Version: Current License: GPL-3.0

X-Ray Key Features Code Snippets Community Discussions(10)Vulnerabilities Install Support

kandi X-RAY | struct Summary

struct is a C++ library typically used in Modeling, 3D Printing applications. struct has no bugs, it has no vulnerabilities, it has a Strong Copyleft License and it has low support. You can download it from GitHub.

Python struct module implemented in C++. You can use struct just like Python struct module. Define how your data structure looks like and use generated class with methods .pack(...) and .unpack().

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Support

struct has a low active ecosystem.

It has 11 star(s) with 4 fork(s). There are 4 watchers for this library.

It had no major release in the last 6 months.

There are 0 open issues and 1 have been closed. On average issues are closed in 804 days. There are no pull requests.

It has a neutral sentiment in the developer community.

The latest version of struct is current.

Quality

struct has no bugs reported.

Security

struct has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.

License

struct is licensed under the GPL-3.0 License. This license is Strong Copyleft.

Strong Copyleft licenses enforce sharing, and you can use them when creating open source projects.

Reuse

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

Installation instructions are not available. Examples and code snippets are available.

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struct Key Features

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struct Examples and Code Snippets

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Community Discussions

Trending Discussions on struct

Concurrent Counter Struct with Type Argument in Rust

Check if a vector contains object with already entered values

How to use select() to set a timer for sockets?

Apply sepiaTone to photos in swiftui into scrollview object

Implement barrier with pthreads on C

I want to apply H.264 RTP video streaming over P4 SDN on Mininet

Gorm preload m2m relation

How to initialize member variables before inherited classes

How to decode dictionary column when using pyarrow to read parquet files?

array of strings within a struct in C without allocating

QUESTION

Concurrent Counter Struct with Type Argument in Rust

Asked 2021-Jun-15 at 23:55

I was following along with this tutorial on creating a concurrent counter struct for a usize value: ConcurrentCounter. As I understand it, this wrapper struct allows us to mutate our usize value, with more concise syntax, for example:my_counter.increment(1) vs. my_counter.lock().unwrap().increment(1).

Now in this tutorial our value is of type usize, but what if we wanted to use a f32, i32, or u32 value instead?

I thought that I could do this with generic type arguments:

...

ANSWER

Answered 2021-Jun-15 at 23:55

I haven't come across such a ConcurrentCounter library, but crates.io is huge, maybe you find something. However, if you are mostly concerned with primitives such as i32, there is a better alternative call: Atomics, definitely worth checking out.

Nevertheless, your approach of generalizing the ConcurrentCounter is going in a good direction. In the context of operation overloading, std::ops is worth a look. Specifically, you need Add, Sub, and Mul, respectively. Also, you need a Copy bound (alternatively, a Clone would also do). So you were pretty close:

Source https://stackoverflow.com/questions/67994469

QUESTION

Check if a vector contains object with already entered values

Asked 2021-Jun-15 at 21:55

so I'm struggling with these things:

I have method that returns istream input and takes istream input as a parameter, sends values to vector and stores them in it. Now, when I've entered 1 value, I'm trying to make a check if vector already contains that value, here is my code to understand it better:

...

ANSWER

Answered 2021-Jun-15 at 20:14

first of all, you can check count of std::vector to see if given key exists

Source https://stackoverflow.com/questions/67990349

QUESTION

How to use select() to set a timer for sockets?

Asked 2021-Jun-15 at 21:17

I'm currently using Winsock2 to be able to test a connection to multiple local telnet servers, but if the server connection fails, the default Winsock client takes forever to timeout.

I've seen from other posts that select() can set a timeout for the connection part, and that setsockopt() with timeval can timeout the receiving portion of the code, but I have no idea how to implement either. Pieces of code that I've copy/pasted from other answers always seem to fail for me.

How would I use both of these functions in the default client code? Or, if it isn't possible to use those functions in the default client code, can someone give me some pointers on how to use those functions correctly?

...

ANSWER

Answered 2021-Jun-15 at 21:17

select() can set a timeout for the connection part.

Yes, but only if you put the socket into non-blocking mode before calling connect(), so that connect() exits immediately and then the code can use select() to wait for the socket to report when the connect operation has finished. But the code shown is not doing that.

setsockopt() with timeval can timeout the receiving portion of the code

Yes, though select() can also be used to timeout a read operation, as well. Simply call select() first, and then call recv() only if select() reports that the socket is readable (has pending data to read).

Try something like this:

Source https://stackoverflow.com/questions/67990097

QUESTION

Apply sepiaTone to photos in swiftui into scrollview object

Asked 2021-Jun-15 at 19:58

the swiftui code below should apply the sephia.tone filter to the current photo, to do it I used the code below but the filter is not applied, can anyone explain to me where the problem is? when I click on sepia I make the call to the function that applies the CiFilter,what is this due to? because the filter is not applied correctly

Swift UI Code:

...

ANSWER

Answered 2021-Jun-15 at 16:15

You need to set input image for the filter and take care of the interoperately between Image and UImage

Source https://stackoverflow.com/questions/67989247

QUESTION

Implement barrier with pthreads on C

Asked 2021-Jun-15 at 18:32

I'm trying to parallelize a merge-sort algorithm. What I'm doing is dividing the input array for each thread, then merging the threads results. The way I'm trying to merge the results is something like this:

...

ANSWER

Answered 2021-Jun-15 at 01:58

I'm trying to parallelize a merge-sort algorithm. What I'm doing is dividing the input array for each thread, then merging the threads results.

Ok, but yours is an unnecessarily difficult approach. At each step of the merge process, you want half of your threads to wait for the other half to finish, and the most natural way for one thread to wait for another to finish is to use pthread_join(). If you wanted all of your threads to continue with more work after synchronizing then that would be different, but in this case, those that are not responsible for any more merges have nothing at all left to do.

This is what I've tried:

Source https://stackoverflow.com/questions/67977544

QUESTION

I want to apply H.264 RTP video streaming over P4 SDN on Mininet

Asked 2021-Jun-15 at 17:48

I have to do an exercise were I got h.264 video sender host, h.264 video receiver (with background traffic receiver) host, and a background traffic generator host. All of these three are on different ip subnet connected to P4 controller.

...

ANSWER

Answered 2021-Jun-15 at 17:48

Yes I can see what you mean, I have done this integration before you only forget the priority statement otherwise should run well, please add this to your code;

after

apply { ipv4_lpm.apply();

ADD:

Source https://stackoverflow.com/questions/67991134

QUESTION

Gorm preload m2m relation

Asked 2021-Jun-15 at 14:41

i want to preload M2M relation with gorm and it is not populating the slice with Preload function.

This is the sql schema ...

ANSWER

Answered 2021-Jun-15 at 14:41

There are a couple of things to try out and fix:

You probably don't need the many2many attribute to load the DonationDetail slice, since they can be loaded only with DonationID. If you have a foreign key, you can add it like this:

Source https://stackoverflow.com/questions/67986609

QUESTION

How to initialize member variables before inherited classes

Asked 2021-Jun-15 at 14:21

I'm trying to make one class which requires member variables to be initialized first. I know why this happens, but is there a way around this?

Current print order: second first

Wanted print order: first second

...

ANSWER

Answered 2021-Jun-15 at 13:51

Make A a needed reference for C:

Source https://stackoverflow.com/questions/67987495

QUESTION

How to decode dictionary column when using pyarrow to read parquet files?

Asked 2021-Jun-15 at 13:59

I have three .snappy.parquet files stored in an s3 bucket, I tried to use pandas.read_parquet() but it only work when I specify one single parquet file, e.g: df = pandas.read_parquet("s3://bucketname/xxx.snappy.parquet"), but if I don't specify the filename df = pandas.read_parquet("s3://bucketname"), this won't work and it gave me error: Seek before start of file.

I did a lot of reading, then I found this page

it suggests that we can use pyarrow to read multiple parquet files, so here's what I tried:

...

ANSWER

Answered 2021-Jun-15 at 13:59

You have a column with a "struct type" and you want to flatten it. To do so call flatten before calling to_pandas

Source https://stackoverflow.com/questions/67986881

QUESTION

array of strings within a struct in C without allocating

Asked 2021-Jun-15 at 13:52

I want to initialize a structure with an array of string without doing dynamic allocation. Is it possible? I had thought of something like this but it doesn't work:

...

ANSWER

Answered 2021-Jun-15 at 13:52

There are several variants possible, here two of them:

Source https://stackoverflow.com/questions/67986751

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Vulnerabilities

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Install struct

You can download it from GitHub.

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