tobj | Tiny OBJ Loader in Rust

by Twinklebear Rust Version: 4.0.0 License: MIT

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

kandi X-RAY | tobj Summary

tobj is a Rust library. tobj has no bugs, it has no vulnerabilities, it has a Permissive License and it has low support. You can download it from GitHub.

Inspired by Syoyo’s excellent tinyobjloader. Aims to be a simple and lightweight option for loading OBJ files. Just returns two Vecs containing loaded models and materials.

Support

Quality

Security

License

Reuse

Support

tobj has a low active ecosystem.

It has 202 star(s) with 40 fork(s). There are 7 watchers for this library.

It had no major release in the last 12 months.

There are 8 open issues and 17 have been closed. On average issues are closed in 77 days. There are no pull requests.

It has a neutral sentiment in the developer community.

The latest version of tobj is 4.0.0

Quality

tobj has 0 bugs and 0 code smells.

Security

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

tobj code analysis shows 0 unresolved vulnerabilities.

There are 0 security hotspots that need review.

License

tobj is licensed under the MIT License. This license is Permissive.

Permissive licenses have the least restrictions, and you can use them in most projects.

Reuse

tobj releases are available to install and integrate.

Installation instructions, examples and code snippets are available.

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tobj Key Features

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tobj Examples and Code Snippets

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Community Discussions

Trending Discussions on tobj

Dill doesn't seem to respect metaclass

Regex to capture multilines from specific expression until first blank line in Perl

Table class Problem in C++, with templates

Selenium - Java - Sendkeys not working in textfield. No error

How convert hours and minutes into minutes using javascript?

Node.js Function returning undefined?

how to implement a type-safe generic setter

angular change td back gound color if by value

How to correctly initialize C struct array

Adding outer tag to resulting JSON when marshalling a slice of structs

QUESTION

Dill doesn't seem to respect metaclass

Asked 2021-Dec-31 at 06:45

I have recently begun working with dill. I have a metaclass, which I use to create a Singleton pattern. Always have one object at any instant. I am using dill to serialise.The problem is once the object is loaded back, it doesn't respect the Singleton pattern (enforced by metaclass) and __init__ gets called.

Here is the code which can reproduce the issue

...

ANSWER

Answered 2021-Dec-31 at 06:45

So, first of all: when serializing an ordinary method, upon unserializing it (via pickle or dill.load) its initialization ordinary mechanism, that is, calling its __init__, will not be run. That is the desired outcome: you want the object's previous state, and not trigger any initalization side-effects

When unserializing a class with a metaclass with dill, obviously, the same outcome is desired: so dill will NOT run the metaclass's __call__, as that will trigger initialization side-effects.

The problem lies that in this problematic arrangement for singletons, what guarantees the "singleton" is exactly a side effect of the class instantiation. Not of the class creation which would mean moving the duplicate verification test to the metaclass __init__, but when the already created class is instantiated - that is when the metaclass' __call__ is run. This call is correctly skipped by dill in the tobj = dill.load(statehandle) line.

So, when you try to create a new instance of TestClass bellow, the _instances registry is empty, and a new instance is created.

Now - that is what would take place with an ordinary "pickle", not with "dill" (see bellow).

Going back to your singleton: you have to keep in mind that at some point the singleton is actually created for the first time in the running process. When unpickling an object of meant to behave as a singleton, if it can detect an instance already exists when being instantiated, it can reuse that.

However, unpickling will skip the normal instantiation through the metaclass __call__ and run the class' __new__ directly. So the class __new__ must be aware of the singleton mechanism. Which means that regardless of the metaclass, a base class with a __new__ method is needed. Since we want to avoid re-running __init__, we need the metaclass __call__, otherwise, Python will call __init__ upon ordinary (non-unpickling) de-serialization. The baseclass __new__ has thus to collaborate with the metaclass __call__ in using the cache mechanism.

After creating an instance by calling __new__, ordinary unpickling, after calling __new__ on the class will restore the instance state by updating its namespace which is exposed in the __dict__ attribute.

With a colaborative metaclass __call__ and baseclass __new__ in place, the serialized singleton works with ordinary pickle:

Source https://stackoverflow.com/questions/70529947

QUESTION

Regex to capture multilines from specific expression until first blank line in Perl

Asked 2021-May-17 at 06:13

i have this file and i would like to match everything between #sent_id=\d+ and blank line. Here is my file :

...

ANSWER

Answered 2021-May-17 at 06:13

One way: read the file in chunks of text between empty lines.

Source https://stackoverflow.com/questions/67513575

QUESTION

Table class Problem in C++, with templates

Asked 2021-Apr-08 at 03:36

I have a code in C++, where I have to create a private entity Array field of 500.There is also field which represents the amount of entities in table.

More Information about the class I want to create :

defines all of its special member functions.
defines a string constant method named ToString() that takes no parameters. It creates a string that is a list of its entites each on their own line.
defines a void method named Insert() that takes a constant Entity reference parameter. It adds the parameter to the table if the table is not full and the key of the parameter is not in the table.
defines a void method named Remove() that takes a constant Entity reference parameter. It removes the entity from the table whose key matches the key of the parameter. • defines an ulong constant method named Count() that takes no parameters. It returns the amount of entities in the table.
defines an overloaded ostream operator. It displays the same format as ToString().
defines a constant Entity reference constant overloaded subscript operator that takes an ulong parameter. If the parameter represents a valid index, it returns a element of the table whose index is equal to the parameter; otherwise, it throws an error.

Here is the code:

...

ANSWER

Answered 2021-Apr-08 at 03:13

You have several errors. Some of them by quick view.

The first line:

prblm.cpp:37:26: error: ‘Table’ is not a template

You declared Table as a normal class, then you use constructor / operaor template. Either declare your class as template:

template < typename T > class Table {};

Or remove "template" from constructor and operator. Instead, declare separate function template Convert / Copy. Something like this:

Source https://stackoverflow.com/questions/66996636

QUESTION

Selenium - Java - Sendkeys not working in textfield. No error

Asked 2021-Jan-10 at 05:36

I am using Selenium using Java in Eclipse environment to automate testcases on website. This is for personal learning. Following is the html code.

I am using Page Object Model in Maven project. When I try to use sendkeys method on the textfield it does not work. There is no error. The testcase passes successfully. But text is not typed in the textfield. I tried clicking on the textfield before entering text. It does click but it does not type anything. What could be the problem. Selenium Version - 3.141. Eclipse version - 4.7. Following is the code in my Page file

...

ANSWER

Answered 2021-Jan-10 at 05:36

txtSearch.click()
WebElement currentElement = driver.switchTo().activeElement();
currentElement.sendKeys("something")

Source https://stackoverflow.com/questions/65632603

QUESTION

How convert hours and minutes into minutes using javascript?

Asked 2020-Dec-16 at 13:18

I need to convert hours and minutes(30mins, 65mins) into minutes in a dropdown using javascript! If it's only 30 minutes, display as 30mins, if then 65mins, display 1hr 05mins in the text of a dropdown and value as 65 in value property! I tried some code! On the right side of the picture, it gives the value 1hr60mins not 2hrs! In the code at last line, I just console the object,

...

ANSWER

Answered 2020-Dec-16 at 13:18

If I understood correctly what you want to achieve, this should do the job:

Source https://stackoverflow.com/questions/65322415

QUESTION

Node.js Function returning undefined?

Asked 2020-Nov-28 at 13:19

Trying to find a value in an excel file using the XLSX library:

The function works, it finds the value, however the output is undefined, even though the debugging say the value is found.

Here's the function:

...

ANSWER

Answered 2020-Nov-28 at 11:44

getValsFromExcel asynchronous, here is the correction:

Source https://stackoverflow.com/questions/65048692

QUESTION

how to implement a type-safe generic setter

Asked 2020-Oct-31 at 14:05

Playground is here

I am trying to define a generic type-safe setter function in Typescript. Something like the following:

...

ANSWER

Answered 2020-Oct-31 at 14:05

That's because you should lock a specific key with generic. Also you can simplify your code without using PropType:

Source https://stackoverflow.com/questions/64622044

QUESTION

angular change td back gound color if by value

Asked 2020-Aug-17 at 13:06

there was only angularjs for this and it didnt work for me
trying to set the td back ground color if type ==1 ( can be 1 or 2)
the html of my angular

...

ANSWER

Answered 2020-Aug-17 at 12:39

You can set the style.backgroundColor property of the element directly, or conditionally add a class using ngClass

Direct:

Source https://stackoverflow.com/questions/63450876

QUESTION

How to correctly initialize C struct array

Asked 2020-Jul-12 at 19:10

my problem is that i don't have an idea on how to properly initialize an array containing blocks to drawn on a small matrix display. Initializing the first object works sometimes (block) but going through the for-loop to initialize remaining objects doesn't seem to do anything. I would be very glad for any help!

Structs:

...

ANSWER

Answered 2020-Jul-12 at 19:10

Doing

Source https://stackoverflow.com/questions/62863327

QUESTION

Adding outer tag to resulting JSON when marshalling a slice of structs

Asked 2020-Jun-26 at 20:38

I struggle with adding an outer tag to my marshaled JSON struct. Here is my example:

...

ANSWER