variant | C++17 `std::variant` for C++11/14/17 | File Utils library

by mpark C++ Version: v1.4.0 License: BSL-1.0

X-Ray Key Features Code Snippets(5)Community Discussions(10)Vulnerabilities Install Support

kandi X-RAY | variant Summary

variant is a C++ library typically used in Utilities, File Utils applications. variant has no bugs, it has no vulnerabilities, it has a Permissive License and it has low support. You can download it from GitHub.

MPark.Variant is an implementation of C++17 std::variant for C++11/14/17.

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Quality

Security

License

Reuse

Support

variant has a low active ecosystem.

It has 605 star(s) with 82 fork(s). There are 30 watchers for this library.

It had no major release in the last 12 months.

There are 7 open issues and 56 have been closed. On average issues are closed in 129 days. There are 2 open pull requests and 0 closed requests.

It has a neutral sentiment in the developer community.

The latest version of variant is v1.4.0

Quality

variant has no bugs reported.

Security

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

License

variant is licensed under the BSL-1.0 License. This license is Permissive.

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

Reuse

variant releases are available to install and integrate.

Installation instructions, examples and code snippets are available.

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variant Key Features

No Key Features are available at this moment for variant.

variant Examples and Code Snippets

Variant 2: Using repeatable annotations (new school)

Java

Lines of Code : 13

License : No License

Copy

@Hint("hint1")
@Hint("hint2")
class Person {}


Hint hint = Person.class.getAnnotation(Hint.class);
System.out.println(hint);                   // null

Hints hints1 = Person.class.getAnnotation(Hints.class);
System.out.println(hints1.value().length)

Variant 1: Using the container annotation (old school)

Java

Lines of Code : 2

License : No License

Copy

@Hints({@Hint("hint1"), @Hint("hint2")})
class Person {}

Read population data for a given year and variant .

python

Lines of Code : 21

License : Permissive (MIT License)

Copy

def read_population_file(year, variant="Medium"):
    """Read population data for the given year and variant"""
    population = {}

    print(f"Reading population data for {year}, {variant} scenario")
    with resources.open_text(
        "data", "W

Extract shapes and types from a variant - dt .

python

Lines of Code : 14

License : Non-SPDX (Apache License 2.0)

Copy

def _parse_variant_shapes_and_types(t):
  """Extracts shape and dtype information from a variant tensor `t`."""
  shapes_and_types = _variant_handle_data(t)
  if shapes_and_types is None or not shapes_and_types:
    raise ValueError("Required handle

Create a prepared statement to insert a product variant

java

Lines of Code : 13

License : Permissive (MIT License)

Copy

private BoundStatement getProductVariantInsertStatement(Product product,UUID productId) {
        String insertQuery = new StringBuilder("").append("INSERT INTO ").append(PRODUCT_TABLE_NAME)
                .append("(product_id,variant_id,product_nam

Community Discussions

Trending Discussions on variant

Excel: Display collection of month names generated from start and end date?

How to type object in a material ui select

Save Outlook Mailitem to local folder

Trying to Sorting the Loaded Column in Listbox from A to Z

OCaml This variant expression is expected to have type unit

How to make image responsive in Material-UI

How to convert a pair of iterator into a view?

How to resolve Custom Sort Runtime error 1004

Concat value into API url in Vue

to-be-continous Mkdocs gitlab-ci template, why variant usage?

QUESTION

Excel: Display collection of month names generated from start and end date?

Asked 2021-Jun-15 at 22:30

I am trying to generate a table to record articles published each month. However, the months I work with different clients vary based on the campaign length. For example, Client A is on a six month contract from March to September. Client B is on a 12 month contract starting from February.

Rather than creating a bespoke list of the relevant months each time, I want to automatically generate the list based on campaign start and finish.

Here's a screenshot to illustrate how this might look:

Below is an example of expected output from the above, what I would like to achieve:

Currently, the only month that's generated is the last one. And it goes into A6 (I would have hoped A5, but I feel like I'm trying to speak a language using Google Translate, so...).

Here's the code I'm using:

...

ANSWER

Answered 2021-Jun-15 at 11:11

Make an Array with the month names and then loop trough it accordting to initial month and end month:

Source https://stackoverflow.com/questions/67984399

QUESTION

How to type object in a material ui select

Asked 2021-Jun-15 at 20:40

I'm trying to implement a Select component using reactjs material ui and typescript.

However, I am getting the following typing error:

...

ANSWER

Answered 2021-Jun-15 at 20:40

From what it looks like, options is actually an array of objects rather than just an object. So all you would need to do is map over the options variable. You are currently using Object.keys which is what you use if you are wanting to iterate over the keys in an object.

Source https://stackoverflow.com/questions/67993116

QUESTION

Save Outlook Mailitem to local folder

Asked 2021-Jun-15 at 19:38

The following code does everything I want: pulls email, saves attachments, extracts files EXCEPT save the original email to the folder fDest. I seem unable to see the solution.

This seems to be the problematic line as it won't save the email: "mi.SaveAs fDest2, olMSG"

...

ANSWER

Answered 2021-Jun-15 at 19:38

You must be sure there are no invalid characters in the filename. See What characters are forbidden in Windows and Linux directory names? for more information. So, I'd suggest using the Replace method available in VBA before passing anything to the SaveAs method.

Another point is that you need to specify unique file names to each email. Make sure the generated file name is unique for a folder.

Source https://stackoverflow.com/questions/67990552

QUESTION

Trying to Sorting the Loaded Column in Listbox from A to Z

Asked 2021-Jun-15 at 18:37

I have been trying to sort the Column values from A to Z which are populated in the List Box.

I have tried with the following but it does not adjust it. Any help will be appreciated.

...

ANSWER

Answered 2021-Jun-15 at 18:37

Method 1: Sort Data in Cells

You need to sort the range using the Range.Sort method

Source https://stackoverflow.com/questions/67987530

QUESTION

OCaml This variant expression is expected to have type unit

Asked 2021-Jun-15 at 17:15

I'm having a problem with if statements that I cannot figure out.
My code:

...

ANSWER

Answered 2021-Jun-15 at 07:44

A "for expression" must return unit, so the result is not propagated. For example:

Source https://stackoverflow.com/questions/67981077

QUESTION

How to make image responsive in Material-UI

Asked 2021-Jun-15 at 16:47

I am trying to make a page responsive but, I am not able to make an image responsive as it is getting off the grid container in material UI. Is there a way I can make the image responsive? I am trying to add the image in Grid container, Still, it is showing the same.

...

ANSWER

Answered 2021-Jun-15 at 16:47

In your image tag, you are setting the height and width to 50vh. Viewport units (vh or vw) will cause stuff to overflow out of containers if it sees fit. In your case, everything is working as intended, the image is taking up 50% of the viewport height (637/2 = 319px). It's going to overflow out of the grid container if it needs to in order to meet those dimensions.

You should likely have the image itself have width: 100% height: 100%, or width: 100% height: auto and control the size of the image via the container (like you're already doing).

Hope this helped, let me know if you have questions.

Source https://stackoverflow.com/questions/67990028

QUESTION

How to convert a pair of iterator into a view?

Asked 2021-Jun-15 at 11:41

I have a pair of iterator, and I would like to use ranges::views::filter(some_predicate) on it (with the pipe operator). AFAIU I should first convert my pair of iterator into a view. I tried to use ranges::subrange(first, last) to do so, but I’m getting horrible error messages.

Note1: I’m using C++14 and range-v3 version 0.9.1 (the last version compatible with gcc-5.5). If the solution differs when using C++17/20 and/or when using C++20 std::ranges, I’m also interested to know what changed.

Note2: I find the documentation of range-v3 severely lacking, so I’m using cppreference.com. If you know a better documentation, I’m very interested.

EDIT:

In my real code, I’m wrapping a java-style legacy iterator (that has a next() method instead of operator++/operator*. I’m wrapping them in a C++-compatible wrapper. Then I tried to convert that wrapper into a view, and finally filter it. I reproduce a minimal example on godbolt. This use iterator_range as suggested, but it still doesn’t compile (see the second edit below).

...

ANSWER

Answered 2021-Apr-08 at 16:24

In ranges-v3, there is iterator_range which you can use to wrap the iterators into a range object.

In C++20, you can use std::span to wrap those iterators into an range object

Source https://stackoverflow.com/questions/67007908

QUESTION

How to resolve Custom Sort Runtime error 1004

Asked 2021-Jun-15 at 11:03

I'm trying to sort my rows according to the Status (B), according to a custom order. I used to have Status in A, and the code worked fine, but then wanted to add an additional column before it and everything's been scuppered. Now getting a 1004 error.

My table spans A:L. Here's the code:

...

ANSWER

Answered 2021-Jun-11 at 21:02

The error implies that it can't find a range to work with. As we are working with a table, the .Columns(2) wont work.

This part hints that you have a table that your are trying to sort.

There's two approaches that I can think of now, to solve this:

1. Sort a regular range by custom list

We can remove the table by:

Click on the table
Go to design tab
Convert to Range

Then your originally code will work (Changed Key1:=.Columns(2)):

Source https://stackoverflow.com/questions/67940612

QUESTION

Concat value into API url in Vue

Asked 2021-Jun-15 at 10:34

I am trying something very simple in Vue and can't get it to work.. I want my API url to update with 2 new values (valueFrom and valueTwo). I am using fetch for this.

When I console log the values, they work (2021-06-17 etc). But as soon as I put them in the url, it just comes up empty.

Here are my input fields:

...

ANSWER

Answered 2021-Jun-15 at 10:34

You can try using the backticks/backquotes (``) in place of the apostrophes. So your url will end up as below:

Source https://stackoverflow.com/questions/67983665

QUESTION

to-be-continous Mkdocs gitlab-ci template, why variant usage?

Asked 2021-Jun-15 at 08:38

To deploy pages on gitlab, we needs to add a "variant" include.

Why it's an external yaml file and don't use the same template file with an option to (de)activate it ?

...

ANSWER

Answered 2021-Jun-14 at 14:32

The mkdocs template is a build type template and it should not impose the deployment method. What if I want to deploy my documentation on a S3 bucket ? on CloudFoundry ?

Deploying on GitLab pages is a very simple use case (no envs support) so a simple solution is provided as a variant :).

Source https://stackoverflow.com/questions/67933843

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

Vulnerabilities

No vulnerabilities reported

Install variant

This will install mpark/variant to the default install-directory for your platform (/usr/local for Unix, C:\Program Files for Windows). You can also install at a custom location via the CMAKE_INSTALL_PREFIX variable, (e.g., cmake .. -DCMAKE_INSTALL_PREFIX=/opt).