mad | mad is a markdown manual page viewer | Command Line Interface library
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kandi X-RAY | mad Summary
mad(1) is a markdown manual page viewer
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QUESTION
I have a pandas dataframe that looks like this:
...ANSWER
Answered 2021-Jun-05 at 11:03Groupby ID
then convert each dep
and arr
columns to list, finally add them to get a single list, but while adding check if the item already exists in dep
column for given index, you can use list comprehension for that, and finally join the strings, rename the column, at last merge
the it back to original dataframe.
QUESTION
This is my class decorator that returns a new class
...ANSWER
Answered 2021-Jun-14 at 04:45Sadly, decorators cannot change the type of what they decorate (as of TypeScript 4.3.2).
See TypeScript#4881 for a lot more discussion and context.
One option is to a create type for your added fields:
QUESTION
So i'm trying to order some stuff. Like that:
...ANSWER
Answered 2021-Jun-13 at 06:48You can improve your query like this
QUESTION
Before I run eb create
command, how can I tell Elastic Beanstalk to use a DIFFERENT docker-compose
file?
For example, my project directory:
...ANSWER
Answered 2021-Jun-12 at 22:39You can't do this from command level. But I guess you could write container_commands script to rename your docker-compose
file from docker-compose.dev.yml
to docker-compose.yml
:
You can use the container_commands key to execute commands that affect your application source code. Container commands run after the application and web server have been set up and the application version archive has been extracted, but before the application version is deployed.
UPDATE 12 Jun 2021
I tried to replicate the issue using simplified setup with just docker-compose.prod.yml
and Docker running on 64bit Amazon Linux 2
3.4.1 EB platform.
docker-compose.prod.yml
QUESTION
So say I'm writing a wrapper type for the array.
...ANSWER
Answered 2021-Jun-11 at 17:39When I try to compile this code, the rust compiler gets extremely mad. […] I know that rust can evaluate some expressions at compile time, is this just a case where that isn't allowed, or am I missing something?
You say that the compiler gets mad at you, but have you considered listening at what it was telling you?
Plugging your code into the playground, the first error is a trivial showstopper of
QUESTION
I'm new to React and I'm doing a learning project where I build an extremely simple Mad Libs game. I'm struggling and not sure how to go about doing it.
I built a skeleton, but I'm not sure how to pass props from
and also not sure how to deal with useState
.
I'd appreciate any help. This is what I have so far:
App.js
...ANSWER
Answered 2021-Jun-11 at 14:28Firstly, your blanks state should be initialized as an empty object like this:
QUESTION
So, I was just reading about the Visitor pattern and I found the back and forth between the Visitor and the Elements very strange!
Basically we call the element, we pass it a visitor and then the element passes itself to the visitor. AND THEN the visitor operates the element. What? Why? It feels so unnecessary. I call it the "back and forth madness".
So, the intention of the Visitor is to decouple the Elements from their actions when the same actions need to be implemented across all the elements. This is done in case we need to extend our Elements with new actions, we don't want to go into all those classes and modify code that is already stable. So we're following the Open/Closed principle here.
Why is there all this back-and-forth and what do we lose if we don't have this?
For example, I made this code that keeps that purpose in mind but skips the interaction madness of the visitor pattern. Basically I have Animals that jump and eat. I wanted to decouple those actions from the objects, so I move the actions to Visitors. Eating and jumping increases the animal health (I know, this is a very silly example...)
...ANSWER
Answered 2021-Jun-03 at 17:21The code in the OP resembles a well-known variation of the Visitor design pattern known as an Internal Visitor (see e.g. Extensibility for the Masses. Practical Extensibility with Object Algebras by Bruno C. d. S. Oliveira and William R. Cook). That variation, however, uses generics and return values (instead of void
) to solve some of the problems that the Visitor pattern addresses.
Which problem is that, and why is the OP variation probably insufficient?
The main problem addressed by the Visitor pattern is when you have heterogenous objects that you need to treat the same. As the Gang of Four, (the authors of Design Patterns) states, you use the pattern when
"an object structure contains many classes of objects with differing interfaces, and you want to perform operations on these objects that depend on their concrete classes."
What's missing from this sentence is that while you'd like to "perform operations on these objects that depend on their concrete classes", you want to treat those concrete classes as though they have a single polymorphic type.
A period exampleUsing the animal domain is rarely illustrative (I'll get back to that later), so here's another more realistic example. Examples are in C# - I hope they're still useful to you.
Imagine that you're developing an online restaurant reservation system. As part of that system, you need to be able to show a calendar to users. This calendar could display how many remaining seats are available on a given day, or list all reservations on the day.
Sometimes, you want to display a single day, but at other times, you want to display an entire month as a single calendar object. Throw in an entire year for good measure. This means that you have three periods: year, month, and day. Each has differing interfaces:
QUESTION
I am using Django Rest Frame Work and I'm trying to get authenticated user info, using token in session
views.py:
...ANSWER
Answered 2021-Jun-08 at 12:01Try to decode the token to utf-8 when you encode it so
return jwt.encode(payload, settings.SECRET_KEY, algorithm='HS256').decode("utf-8")
And check if it works
More info here https://github.com/jpadilla/pyjwt/issues/319
QUESTION
I'm taking part in Code in Place 2021 and for my final project I developed a Madlibs generator using Python and Tkinter, and the code is functional and works the way I want it to, but obviously it's pretty long and convoluted. I was hoping some of you guys could offer some suggestions on how to make my code more concise and get rid of any unncessary lines!
I pasted all of the code below:
...ANSWER
Answered 2021-Jun-05 at 18:00You can reduce your code to half if you use for
loop and list.
Here is an example, you can modify the below code according to your need:
QUESTION
Matplotlib madness...
...ANSWER
Answered 2021-Jun-05 at 03:37It's not flattening it per se. But the scale of the second line/plot is much bigger than the first that it shows like it's flattened.
You will need to use multiple scales (multiple y axis).
Check out this example from the matplotlib documentation.
Basically, you will need to do something like this:
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