mustang | Awesome V8 JavaScript engine embedded into Ruby 's shiny body
kandi X-RAY | mustang Summary
kandi X-RAY | mustang Summary
Mustang is ruby proxy library for awesome Google V8 JavaScript engine.
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Top functions reviewed by kandi - BETA
- Prints error message
- Loads the contents of the script .
- Pushes error information to the logger .
- Evaluates the source code .
- Set all values in a set of values
mustang Key Features
mustang Examples and Code Snippets
Community Discussions
Trending Discussions on mustang
QUESTION
I am listing items for sale on a site, and I'd like to have a sidebar to filter the items. So for each attribute, in the filter section I want to list each unique value, and show a count of how many of that value there are.
As a very simple example, in the snippet below, there are four cars listed, with data-attributes for the number of doors. To let people filter by number of doors, I need to show each option in a sidebar and let them check one.
The problem for me is that for some of the attributes, I don't know what values there will be in advance. So I need some way to loop through each item, record each unique value for that attribute, and also count up the instances of each value, and display that in the "Filter By" sidebar.
This is what that sidebar would look like in the example:
Doors:
[] 2 (2)
[] 4 (1)
[] 5 (1)
It looks like I may need to use .each() and .length(), but I'm having trouble putting this together. I have no trouble filtering out the items once the checkboxes are checked, but my problem is just listing out all of the filter options.
...ANSWER
Answered 2021-Jun-06 at 18:51The final filterObj (in the below code) holds what you are looking for.
QUESTION
I am trying to get all paragraphs from a couple of websites using a for loop but I am getting an empty dataframe. The logic of the program is
...ANSWER
Answered 2021-May-24 at 13:28I tried the following code(python3: hence the urllib.request), it works. Added user agent as urlopen was hanging up.
QUESTION
import pandas as pd
dict1 = {
"brand": "Ford",
"model": "Mustang",
"year": 1964
}
dict2 = {
"brand": "Ford",
"model": "F150",
"year": 1999
}
dict3 = {
"brand": "Chevy",
"model": "Malibu",
"year": 1972
}
d = {
"col0": ["GM", "GM", "Dodge"],
"col1": [dict1, dict3, dict2],
"col2": [dict3, dict2, dict2],
"col3": [dict1, dict2, dict3]
}
df = pd.DataFrame(d)
grouped = df.groupby(['col0'], as_index=False)
first = lambda a : a[0]
df = grouped.agg({'col1':first,'col2':first, 'col3':first})
ANSWER
Answered 2021-May-20 at 02:46Use .iloc:
QUESTION
I am working on developing a mobile application using flutter and I use the Python language as part of the project. I want to know how to send data between flutter and Python, especially sending data from Python to flutter. For example if i have Python code like this :
...
ANSWER
Answered 2021-May-15 at 18:23I'm assuming the values stored in the dictionary are read from a database, which means you will hav to implement a RESTful-API on Python using Django's REST Framework or Flask's REST Framework.
This API will read values from the database upon a request and send the data back as a JSON object to the user/API Caller with the data required in the dictionary.
To send HTTP Post or GET Requests you will have to use Flutter-BLoC to send POST as well as GET Requests to an API and then capture the Response.
Here's the documentation on FLutter BLoC.
QUESTION
I know that polr does not give p-values because they are not very reliable. Nevertheless, I would like to add them to my modelsummary (Vignette) output. I know to get the values as follows:
ANSWER
Answered 2021-May-05 at 13:12I think the easiest way to achieve this is to define a tidy_custom.polr method as described here in the documentation.. For instance, you could do:
QUESTION
I have an array of cars and I need to check if the car exists in the object.
...ANSWER
Answered 2021-Apr-28 at 19:00Use includes() to search the whole array instead of just checking the first element.
Also, you can use Object.values() instead of Object.keys(), so you get the values directly, rather than having to write carsObj[key]
QUESTION
I have these kind of codes and i want to search for the "WOW" & the chinese which is both contained on each line.
Sample code:
...ANSWER
Answered 2021-Apr-22 at 21:25Use
QUESTION
I have reviewed many questions on stackoverflow where what is done is to iterate a dictionary through a for loop and change the value for a specific key.
Like this:
...ANSWER
Answered 2021-Apr-12 at 02:42This perhaps?
QUESTION
class Vehicle // base class (parent)
{
public string brand = "Ford"; // Vehicle field
public void honk() // Vehicle method
{
Console.WriteLine("Tuut, tuut!");
}
}
class Car : Vehicle // derived class (child)
{
public string modelName = "Mustang"; // Car field
brand = "WHY İS NOT ??? "; // Error.
public void honk(); // Error.
}
ANSWER
Answered 2021-Apr-16 at 11:30You can't just write to a field (defined in a base class) from the derived class like:
QUESTION
I was learning Python dictionaries at W3Schools:
...ANSWER
Answered 2021-Apr-09 at 18:57items() is a method implemented on the dict object that returns a iterable dictionary view.
The main noticeable difference from this and an iterator from a users perspective is you can iterate over the view multiple times whereas an iterator gets consumed. And still maintain the memory savings, since as @ juanpa.arrivillaga pointed out, it is only a wrapper around the underlying structure.
It's implementation seen here is implemented in C as dict_items which would explain the repr.
What can you do with this view? Well typically you see it used directly in a for loop such as:
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