qc | A Quickcheck implementation for Python | Testing library
kandi X-RAY | qc Summary
kandi X-RAY | qc Summary
sudo easy_install pip sudo pip install -e git://github.com/dbravender/qc.git#egg=qc.
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Top functions reviewed by kandi - BETA
- Decorator to generate random generator .
- Return an iterator of objects .
- Generate random lists .
- Generate random tuples .
- Generate random dicts .
- Generate random integers .
- Generate random floats .
- Generate random unicode characters .
- Generate key value pairs .
qc Key Features
qc Examples and Code Snippets
Community Discussions
Trending Discussions on qc
QUESTION
I have a DB in MongoDB like this:
ANSWER
Answered 2021-Jun-14 at 15:39$filterto iterate loop ofSeriesarray$regexMatchto search format inseb$sizeto get total elements in filtered result
QUESTION
I have a file that consists of data shown below
...ANSWER
Answered 2021-Jun-11 at 08:26You could write a regular expression to solve this, but if you know that you always want to remove the content between the first and ninth stars, then I would split your strings into lists by "*" and rejoin select slices. For example:
QUESTION
I have been practicing with pandas and have the following problem. I have been practicing with an Olympic medal data set where the countries are listed in one column, and the medals in subsequent columns.
As part of a QC check, I wanted to write a line of code that checks that the sum of the gold (01 !), silver (02 !) and bronze (03 !) medals is equal to the value in the 'total' column. I have tried this a number of ways, including .apply with the function below, and also with .loc[] (see code below). However, I keep on getting errors back. Can someone explain where I am going wrong?
To expand, the idea of the code would be to select all rows where the sum is correct, and exclude those which are not. I have shown two of the methods I have tried below.
I am new to python and coding in general so apologies if my question is not clear enough.
Many thanks
Luke
...ANSWER
Answered 2021-Jun-09 at 18:37You can directly add do the conditional check on the entire column in pandas. Here is a demonstration:
QUESTION
I am currently building a small test project to learn how to use crontab on Linux (Ubuntu 20.04.2 LTS).
My crontab file looks like this:
* * * * * sh /home/path_to .../crontab_start_spider.sh >> /home/path_to .../log_python_test.log 2>&1
What I want crontab to do, is to use the shell file below to start a scrapy project. The output is stored in the file log_python_test.log.
My shell file (numbers are only for reference in this question):
...ANSWER
Answered 2021-Jun-07 at 15:35I found a solution to my problem. In fact, just as I suspected, there was a missing directory to my PYTHONPATH. It was the directory that contained the gtts package.
Solution: If you have the same problem,
- Find the package
I looked at that post
- Add it to sys.path (which will also add it to PYTHONPATH)
Add this code at the top of your script (in my case, the pipelines.py):
QUESTION
I'm using the qiskit textbook, and it creates a QuantumCircuit and then draws the circuit, and it looks like this:
I see the same result when running the textbook as a jupyter notebook in IBM's quantum lab.
However, when I download the textbook as a jupyter notebook and run it myself locally, it looks like this:
I don't like this very much, and I think I am missing something simple. The code that is running is exactly the same. I am using MacOS 11.4 (Big Sur). The following code is sufficient to show a difference when I run it online vs. locally:
...ANSWER
Answered 2021-Jun-05 at 17:40Because Qiskit has multiple drawers. Those are:
textmpllatexlatex_source.
The drawer you see in the IBM Quantum Lab is the one based on Matplotlib. You can get the same output by qc.draw('mpl').
To set a default, you can change (or create if does not exist) the file ~/.qiskit/settings.conf) with the entry circuit_drawer = mpl.
QUESTION
I have been stuck on this for quite a while. So I thought I'd look it up. But with hours of searching I have come to ask on stack overflow as I am completely stumped.
Basically I am making a Web implementation of Jacks or Better: Video Poker. For some reason I keep getting my kings queen jacks and tens are recognized as the same value. And my full house keeps on being awarded. If my explanation isn't great then go to here or here to find out about the combinations.
If I need to send more code like the style tag I can do so, but I think this is all that is necessary. Any help is appreciated even ways to shorten down my code!
...ANSWER
Answered 2021-Jun-02 at 20:56I may be wrong, but you are first creating array:
QUESTION
I am trying to get the count of patients by province for my school project, I have managed to get the count and the Id of the province in a table but since I am using the count statement it will not let me use join to show the ProvinceName instead of the Id (it says it's not numerical).
Here is the schema of the two tables I am talking about
The content of the Province table is as follow:
ProvinceId ProvinceName ProvinceShortName 1 Terre-Neuve-et-Labrador NL 2 Île-du-Prince-Édouard PE 3 Nouvelle-Écosse NS 4 Nouveau-Brunswick NB 5 Québec QC 6 Ontario ON 7 Manitoba MB 8 Saskatchewan SK 9 Alberta AB 10 Colombie-Britannique BC 11 Yukon YT 12 Territoires du Nord-Ouest NT 13 Nunavut NUAnd here is n sample data from the Patient table (don't worry it's fake data!):
SS FirstName LastName InsuranceNumber InsuranceProvince DateOfBirth Sex PhoneNumber 2 Doris Patel PATD778276 5 1977-08-02 F 514-754-6488 3 Judith Doe DOEJ7712917 5 1977-12-09 F 418-267-2263 4 Rosemary Barrett BARR05122566 6 2005-12-25 F 905-638-5062 5 Cody Kennedy KENC047167 10 2004-07-01 M 604-833-7712I managed to get the patient count by province using the following statement:
...ANSWER
Answered 2021-May-31 at 23:32So you can actually just specify that in the select. Note that it's best practise to include the thing you group by in the select, but since your question is so specific then...
QUESTION
I am looking to pass multiple parameters in my RMarkdown document. I have the following as an example:
...ANSWER
Answered 2021-May-28 at 13:17RMD file -
QUESTION
I am learning about c++ and was following a course. A final exercise involves making a program for deck of cards. I have thought of an approach:
I initially tried to do everything with string arrays but realised that it would make more sense to use vectors since. I am now trying to create a std::vector std::string out of my std::string array but with no luck.
I have found some example code online such as: from https://thispointer.com/5-different-ways-to-initialize-a-vector-in-c/
And tried to implement it for my program, however, I cannot get it to work and cant fully understand what is the issue.
My code:
...ANSWER
Answered 2021-May-25 at 13:02Easy way:
QUESTION
and I appreciate in advance for your help on this. I have a VPS with the following specs:
OS: Centos 7.x CPU Model: Common KVM processor CPU Details: 6 Core(2200 MHz) Distro Name: CentOS Linux release 7.9.2009 (Core) Kernel Version: 3.10.0-1160.25.1.el7.x86_64 Database: Server type: MariaDB Server version: 10.2.38-MariaDB - MariaDB Server
And here is mu sqltuner output from letting it run after 48 hours and uptime.
...ANSWER
Answered 2021-May-24 at 18:37Rules for memory allocation.
- Do not allocate so much RAM that swapping will occur. Swapping is terrible for MySQL/MariaDB performance.
- Do adjust
innodb_buffer_pool_sizesuch that most of RAM is in use during normal time and even for spikes in activity. (I often say "set it to 70% of available RAM", but you are asking for more details.) - Do not bother changing other settings; they add to the complexity of "getting it right".
There are 3 situations (based on innodb_buffer_pool_size and dataset size):
- Tiny dataset -- buffer_pool is bigger than necessary --> wasting some of RAM, but so what; it is not useful for anything else. And it give you some room for growth.
- Medium-sized dataset -- Most activity is done in RAM; the system will run nicely.
- Big dataset -- The system may be I/O-bound. Adding RAM is a costly and brute force solution. However, some software techniques (eg, better indexes) may help, such as this for WordPress and WooCommerce.
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Install qc
You can use qc like any standard Python library. You will need to make sure that you have a development environment consisting of a Python distribution including header files, a compiler, pip, and git installed. Make sure that your pip, setuptools, and wheel are up to date. When using pip it is generally recommended to install packages in a virtual environment to avoid changes to the system.
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