lit | a little preprocessor for literate programming

by vijithassar Shell Version: Current License: Non-SPDX

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

kandi X-RAY | lit Summary

lit is a Shell library typically used in Utilities applications. lit has no bugs, it has no vulnerabilities and it has low support. However lit has a Non-SPDX License. You can download it from GitHub.

Literate programming is the delightful idea popularized by Donald Knuth that source code should be written and/or richly annotated for clarity to human readers instead of mercilessly optimized for computing efficiency. One easy way to move in this direction is to write your source code into Markdown documents, with the code set aside in Markdown code blocks sprinkled throughout the written explanations. This inverts the usual relationship between code and comments: everything is assumed to be a comment until a special delimiter for marking the code is found, instead of the other way around as with most source code. In addition, your documentation can then use links, pictures, diagrams, embeds, iframes, or anything else allowed in Markdown and HTML. This script is a tiny text preprocessor built with bash and awk which allows you to write all your source code in GitHub Flavored Markdown and then quickly send the content of the code blocks into parallel executable files. For a quick illustration, compare the annotated source of the included hello-world script to its processed output.

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Support

lit has a low active ecosystem.

It has 97 star(s) with 6 fork(s). There are 1 watchers for this library.

It had no major release in the last 6 months.

There are 6 open issues and 1 have been closed. On average issues are closed in 29 days. There are no pull requests.

It has a neutral sentiment in the developer community.

The latest version of lit is current.

Quality

lit has no bugs reported.

Security

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

License

lit has a Non-SPDX License.

Non-SPDX licenses can be open source with a non SPDX compliant license, or non open source licenses, and you need to review them closely before use.

Reuse

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

Installation instructions, examples and code snippets are available.

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lit Key Features

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lit Examples and Code Snippets

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Community Discussions

Trending Discussions on lit

Send data using over bluetooth using different protocols

Is it possible to construct a PySpark statement from strings?

how to add a button click event in a custom element

pyspark memory-efficient loop to add indicator columns to dataframe

Make Columns all Null Pyspark DataFrame

Passing standard JavaScript event with composed=false through Shadow DOM

using h3 library with pyspark dataframe

How to implement Exp in Bool or Iff from the paper Extensibility for the Masses

How to combine Where and Withcolumn in pyspark

How to Use The CD4067BE Library for Multiple Buttons

QUESTION

Send data using over bluetooth using different protocols

Asked 2021-Jun-14 at 18:48

I have an app that communicates with a bluetooth device, and I'm trying to replace that app with some code.

I tried using C# InTheHand nuget, Microsoft's Bluetooth LE Explorer, python's sockets and others to send data and see what happens.

But there's something I still don't understand - in each way using different libraries I saw in wireshark a different protocol: ATT, RFCOMM, L2CAP...

When I sniffed my bluetooth traffic from my phone using the app mentioned before, I saw mostly HCI_CMD protocol traffic.

How can I choose the protocol I want to send? Is there a simple package for that? something to read?

Do I need to build the packet myself? including headers and such?

Thank you!

Update: Using Microsoft's Bluetooth LE Explorer I was able to send a packet that lit up my lamp, starting with 02010e10000c00040012(data)
Using bleak I was able to send a packet starting with 02010e10000c00040052(data)
the difference makes the lamp not ligh up and I'm not sure if I can change it via bleak as it's not part of the data I send

...

ANSWER

Answered 2021-Jun-14 at 18:48

I think what you are showing is that bleak does a write without response while MS BLE Explorer does a write_with_response.

Looking at the Bleak documentation for write_gatt_char that seems to be consistent as response is False by default

write_gatt_char Parameters:

char_specifier (BleakGATTCharacteristic, int, str or UUID). The characteristic to write to, specified by either integer handle, UUID or directly by the BleakGATTCharacteristic object representing it.

data (bytes or bytearray) – The data to send.

response (bool) – If write-with-response operation should be done. Defaults to False.

I would expect the following to have the desired effect:

Source https://stackoverflow.com/questions/67961476

QUESTION

Is it possible to construct a PySpark statement from strings?

Asked 2021-Jun-10 at 21:05

Consider

...

ANSWER

Answered 2021-Jun-10 at 21:05

The sql part of the string can be used as parameter for expr to recreate the original column object.

Source https://stackoverflow.com/questions/67914297

QUESTION

how to add a button click event in a custom element

Asked 2021-Jun-09 at 20:36

I want to add a click event to the button with id: hamb-btn, where when clicked it will add a new class in the div class = "nav-link show" element. like that is an example of adding the class if the hamb button is pressed. its my code... note: i use webpack.

...

ANSWER

Answered 2021-May-26 at 14:33

You can always use classMap or styleMap directives for the dynamic styling in the Lit Component. More information available at Dynamic classes and styles.

Source https://stackoverflow.com/questions/67657664

QUESTION

pyspark memory-efficient loop to add indicator columns to dataframe

Asked 2021-Jun-09 at 14:17

Is there a way to convert the following into code that takes advantage of pyspark parallelization in the for loop?

...

ANSWER

Answered 2021-Jun-09 at 14:17

I solved my problem: I replaced everything within the for loop with:

Source https://stackoverflow.com/questions/67865555

QUESTION

Make Columns all Null Pyspark DataFrame

Asked 2021-Jun-08 at 14:32

I am looking to make a list of columns all null. These columns might or might not have values within them. Ideally I am trying to wipe the columns clean of data.

This is what I currently have tried:

...

ANSWER

Answered 2021-Jun-08 at 14:32

You don't need to have the when statement here because you don't care if there is already data in the column or not, just overwrite it with None. Just do

Source https://stackoverflow.com/questions/67888769

QUESTION

Passing standard JavaScript event with composed=false through Shadow DOM

Asked 2021-Jun-08 at 06:45

I have a custom lit web component that contains an element inside its Shadow DOM. I want to react to the change event fired by the input outside the custom element, but the change event has by default composed: false, so the event doesn't pass through the Shadow DOM boundary. I could catch the event inside my component implementation, but the composed property is read-only, so I can't update it and dispatch the same event object. I could create a new object with new Event('change', {'composed': true}), but then it doesn't have the properties like target of the original event. What's a good approach? Should I manually copy the original event's properties to the new event object?

...

ANSWER

Answered 2021-Jun-08 at 06:45

It's not possible to dispatch a single Event instance more than once, so even if you could modify the composed property of the original event you couldn't redispatch it anyway.

So you need to create a new event to dispatch from your custom element, but the details of how exactly you want to create the event and what it should contain will probably depend on your use case. I'd suggest to try to keep it as simple as possible and make an event that includes the information you need and then dispatch it.

There's probably a reason why the native change event is not composed, but you can simulate propagating it out of your custom element by creating an event with the name change and dispatching it from your custom element. You probably don't even need to use composed in most cases as just dispatching it from your custom element (this) makes it available in the parent scope (one level up from your shadow root) which is where the event probably should be handled in most cases.

The fact that you have an in your shadow root should probably be treated as an implementation detail (at least in some cases) and not exposed outside unnecessarily, but when you do need to expose it directly, you can make it available e.g. as a property on your custom element (which could then be accessed from your custom event) or you can include a reference to it in the event object (e.g. in detail property of CustomEvent or a property of a custom event class).

For example here's how Vaadin components like propagate the change event:

Source https://stackoverflow.com/questions/67686983

QUESTION

using h3 library with pyspark dataframe

Asked 2021-Jun-08 at 00:13

I have a spark dataframe that looks like this:

...

ANSWER

Answered 2021-Jun-08 at 00:13

I manage to solve the problem. I had to use the following function

Source https://stackoverflow.com/questions/67869938

QUESTION

How to implement Exp in Bool or Iff from the paper Extensibility for the Masses

Asked 2021-Jun-05 at 10:08

I'm currently going through the paper Extensibility for the Masses. Practical Extensibility with Object Algebras by Bruno C. d. S. Oliveira and William R. Cook (available many places on the internet - for example here: https://www.cs.utexas.edu/~wcook/Drafts/2012/ecoop2012.pdf).

On page 10, they write:

Adding new data variants is easy. The first step is to create new classes Bool and Iff in the usual object-oriented style (like Lit and Add):
...

ANSWER

Answered 2021-Jun-05 at 10:08

@Mark. Let me try to clarify the confusion points that you have.

Definition of Exp

The definition of Exp that we are assumming in page 10 is:

Source https://stackoverflow.com/questions/67818254

QUESTION

How to combine Where and Withcolumn in pyspark

Asked 2021-Jun-04 at 09:27

I have a dataframe in pyspark like this :

...

ANSWER

Answered 2021-Jun-04 at 09:27

Use when-otherwise to populate values conditionally-

Source https://stackoverflow.com/questions/67834023

QUESTION

How to Use The CD4067BE Library for Multiple Buttons

Asked 2021-Jun-04 at 04:34

I just have a small problem with this Arduino library: CD74HC4067. I am not sure how to use multiple buttons with this multiplexer library. I have an Arduino Mega 2560 and the CD4067BE [multiplexer]. The connections are fairly simple: just like this, but with the signal pins going to 2, 3, 4, 5, and 6: https://electronics.stackexchange.com/questions/278321/reducing-the-number-of-pins-needed-to-read-a-12-key-keypad-where-the-buttons-are. CD4067BE datasheet. Here is the code:

...

ANSWER

Answered 2021-Jun-04 at 04:34

This is the answer to my problem: I needed to scan the individual channels to determine which one was being pressed. Here is the code, in case anyone is interested:

Source https://stackoverflow.com/questions/67652826

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

Vulnerabilities

No vulnerabilities reported

Install lit

By default, extracts code from Markdown files:.

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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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