zed | A novel data lake based on super-structured data | Machine Learning library
kandi X-RAY | zed Summary
kandi X-RAY | zed Summary
Zed is a system for search, analytics, and data transformation designed to work at any scale, from a simple command-line tool called zq on your desktop (kind of like jq) to a large-scale, distributed cluster running on your servers or in the cloud (like a search cluster or a data warehouse). Zed is based on a new type of data called super-structured data, which can represent both relational tables and JSON. Super-structured data provides a new and easier approach for data introspection, shaping, pipeline management, data quality, test, and debug, all while intermixing the flexibility of the JSON document model with the efficiency of warehouse analytics. For a non-technical user, Zed is as easy to use as web search while for a technical user, Zed exposes its technical underpinnings in a gradual slope, providing as much detail as desired, packaged up in the easy-to-understand ZSON data format and the Zed Lake API.
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zed Key Features
zed Examples and Code Snippets
Community Discussions
Trending Discussions on zed
QUESTION
Given the following dataframe:
...ANSWER
Answered 2022-Mar-15 at 04:03dplyr
has the coalesce
function that takes the first non-missing value:
QUESTION
What I'm trying to do is save all JobHandles in a vector and after iterating an X amount of time I want to await them all.
I'm doing this because the endpoint I'm sending requests too will return a 429 error if I send too many requests within a certain time frame.
...ANSWER
Answered 2022-Mar-07 at 17:20I figured it out. I ended up using the futures crates. The flow would look something like this.
QUESTION
We are trying to go from
...ANSWER
Answered 2022-Mar-03 at 10:43First idea is use Int64
for integer NaNs and then set empty string:
QUESTION
I have this code:
...ANSWER
Answered 2022-Feb-17 at 16:53You can use the apply()
method to apply a function onto a DataFrame (see documentation):
QUESTION
We need to flatten this into a standard 2D DataFrame:
...ANSWER
Answered 2022-Feb-16 at 18:25The main issue with your code is that "abbr" key may not exist. You could account for that using dict.get
method. If you replace:
QUESTION
I am trying to optimize my code with numba
.
I designed the code to contain a gl.py file which contains some arrays which will be used by main.py and functions called inside main()
from main.py.
The auxiliary.py
looks like:
ANSWER
Answered 2022-Feb-05 at 11:04psi_ground = np.zeros((N_z_divs+1, N_epsilon_divs+1, N_timesteps_imag+1), dtype=types.complex128)
QUESTION
Django 3.2.1, Python 3.6, Postgres database
EDITED to take into account comments below, thanks!
I am writing a small Django app for storing product information. I coded the backend logic for uploading a local csv
file using a Custom Management Command
and am connecting this to the front end.
I am having trouble implementing the file upload -> having user upload products.csv
via a Form
submission to populate the database with file and display all products on one page.
I have stripped down my previous examples, as well as the suggested code below, to the simplest format to try to locate the problem.
Example of the csv
file:
ANSWER
Answered 2022-Feb-01 at 18:58In other to save CSV files you will create a function to read the csv file and save product details: but you can as well refactor the code to meet your suit.
- Upload and save the file first using Product()
- Get the path for the file and read the contents It would be better if you have the same names for model fields and csv columns
- Loop through each line and create a dictionary which contains only a product details at an iteration
- Make an instance of Product() and pass the dictionary to it and save
- For the foreign key, get the object from Product() using get() accordingly with the value that is stored in csv
QUESTION
Running Xcode 13 I see the following log when launching my iOS app in the Simulator:
Writing analzed variants.
Note that this is, hopefully, a misspelling of the log:
Writing analyzed variants.
What is causing this log noise? Is something in my code triggering it?
How can I hide this "Writing analzed variants." Xcode log?
...ANSWER
Answered 2022-Jan-13 at 17:02According to Quinn “The Eskimo!” at Apple Developer Technical Support, this message is Xcode log noise and can be ignored.
An Apple bug report should be filed to help flag and silence the log.
It’s important to keep an eye on log messages and fix any obvious problems they call out. However, if you see a log message that’s not obviously your fault, it could just be log noise.
There are two criteria you should apply here:
- Is the log message associated with a specific failure? That is, when you see the log message, do you also see other problems?
- Is the log message written in terms you understand? That is, does it reference APIs or data that you’re using?
If the answer to both of these questions is “No”, it’s reasonable to conclude that the log message is just noise and you can ignore it. If you find it to be particularly irksome, file a bug report requesting that it be silenced.
QUESTION
I am trying to use this ZED Open Capture library for using the ZED Mini camera for my project on RaspberryPi. I succesfully installed the library and the shared object file is at /usr/local/lib/libzed_open_capture.so
and the include headers are at the location /usr/local/include/zed-open-capture/
.
To include this library I am adding the following lines to my CMakeLists.txt
ANSWER
Answered 2022-Jan-11 at 07:44According to the ZED Open Capture's CMakeLists.txt
:
QUESTION
I'm following ex47 in Learn Python the Hardway by Zed Shaw, however, in the book he is using outdated software (Nose). I've converted his code/my code to pytest but I'm having some issues.
...ANSWER
Answered 2021-Dec-19 at 19:43Using assert with the comma is telling the assert statement to make multiple assertions. For example assert 1==1, 2==2
.
In the case of assert gold.name, "GoldRoom"
you're asking python to assert that gold.name
and "GoldRoom"
are non-empty-which they are. It's not actually testing equality between them.
For example try
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