basic | Utility for handling basic types | JSON Processing library
kandi X-RAY | basic Summary
kandi X-RAY | basic Summary
basic gives a framework for the definition of basic types (int, float, str etc) and how to combine them into more complex structures (dict, struct, list etc). basic can be used to document a specific structure and serialize to/from JSON. basic can be used to specify the structure of a MongoDB collection. Finally, basic can be used in order to automatically build a highly structured commandline interface from inspection of class constructors. This is small personnal library. I do not intend on providing full support for it. This is an on-going work and major rewrites are likely. Not everything has been recently tested.
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Top functions reviewed by kandi - BETA
- Parse argv to json .
- Guess the type of a parameter .
- Guess the type of a value .
- Construct a Schema .
- Initialize the model .
- Creates a class struct .
- Create a struct type .
- Refresh documents .
- Convert value to JSON .
- Decorator to transform a method .
basic Key Features
basic Examples and Code Snippets
Community Discussions
Trending Discussions on basic
QUESTION
I have newly installed
...ANSWER
Answered 2021-Jul-28 at 07:22You are running the project via Java 1.8 and add the --add-opens
option to the runner. However Java 1.8 does not support it.
So, the first option is to use Java 11 to run the project, as Java 11 can recognize this VM option.
Another solution is to find a place where --add-opens
is added and remove it.
Check Run configuration in IntelliJ IDEA (VM options field) and Maven/Gradle configuration files for argLine
(Maven) and jvmArgs
(Gradle)
QUESTION
I am wondering how to solve this problem with basic Python (no libraries to be used): How to calculate when one's 10000 day after their birthday will be (/would be). For instance, given Monday 19/05/2008 the desired day is Friday 05/10/2035 (according to https://www.durrans.com/projects/calc/10000/index.html?dob=19%2F5%2F2008&e=mc2)
What I have done so far is the following script:
...ANSWER
Answered 2022-Mar-06 at 18:02Using base python packages only
On the basis that "no special packages" means you can only use base python packages, you can use datetime.timedelta
for this type of problem:
QUESTION
I am trying to do a regular import in Google Colab.
This import worked up until now.
If I try:
ANSWER
Answered 2021-Oct-15 at 21:11Found the problem.
I was installing pandas_profiling
, and this package updated pyyaml
to version 6.0 which is not compatible with the current way Google Colab imports packages.
So just reverting back to pyyaml
version 5.4.1 solved the problem.
For more information check versions of pyyaml
here.
See this issue and formal answers in GitHub
##################################################################
For reverting back to pyyaml
version 5.4.1 in your code, add the next line at the end of your packages installations:
QUESTION
Hi am facing an issue while running flutter project in MacBook Air M1 chip Lap. Tried all possibilities couldn't find where is the exact problem.
All basic solutions like flutter clean, flutter pub get, pod deintegrate & install, flutter build ios, flutter run
but still same issue. only on iOS simulator not deploying.
Any solution for this. Thanks in advance.
Error
...ANSWER
Answered 2022-Feb-02 at 04:43I have been facing this same issue for some time now. the same setup is working nicely in a mac with intel chip. But i have even done a resetup of my system, m1 mac still throws the same error.
QUESTION
Here is a basic Spinlock implemented with std::atomic_flag
.
The author of the book claims that second while in the lock()
boosts performance.
ANSWER
Answered 2022-Jan-28 at 05:13Reading a memory address does not clear the cache line.
Writing does.
So in a modern computer, there is RAM, and there are multiple layers of cache "around" the CPU (they are called L1, L2 and L3 cache, but the important part is that they are layers, and the CPU is at the middle). In a multi-core system, often the outer layers are shared; the innermost layer is usually not, and is specific to a given CPU.
Clearing the cache line means informing every other cache holding this memory "the data you own may be stale, throw it out".
Test and set writes true and atomically returns the old value. It clears the cache line, because it writes.
Test does not write. If you have another thread unsynchronized with this one, it reading the cache of this memory doesn't have to be poked.
The outer loop writes true, and exits if it replaced false. The inner loop waits until there is a false visible, then falls to outer loop. The inner loop need not clear every other cpu's cache status of the value of the atomic flag, but the outer has to (as it could change the false to true). As spinning could go on for a while, avoiding continuous cache clearing seems like a good idea.
QUESTION
I would like to make the following sequence in R, by using rep
or any other function.
ANSWER
Answered 2022-Jan-04 at 15:43Use sequence
.
QUESTION
I've downloaded Android Studio from the official website, the one for M1 chip (arm).
Basically running it for the first time, the error is the following:
...ANSWER
Answered 2021-Nov-07 at 09:40This is what solved it for me on my M1.
- Go to Android Studio Preview and download the latest Canary build for Apple chip (Chipmunk). Don't worry this is just to get through the initial setup.
- Unpack it, run it, let it install all the SDK components, accept licenses, etc as usual.
- Once it's done, simply close it and delete it.
Now when you start your stable Android Studio (Arctic Fox) you should not see the error.
QUESTION
For the sake of example let's define a toy automaton type:
...ANSWER
Answered 2021-Dec-24 at 00:37Laziness to the rescue. We can recursively define a list of all the sub-automata, such that their transitions index into that same list:
QUESTION
I am plotting some multivariate data where I have 3 discrete variables and one continuous. I want the size of each point to represent the magnitude of change rather than the actual numeric value. I figured that I can achieve that by using absolute values. With that in mind I would like to have negative values colored blue, positive red and zero with white. Than to make a plot where the legend would look like this:
I came up with dummy dataset which has the same structure as my dataset, to get a reproducible example:
...ANSWER
Answered 2021-Dec-08 at 03:15One potential solution is to specify the values manually for each scale, e.g.
QUESTION
I am working on a "heartbeat" application that pings hundreds of IP addresses every minute via a loop. The IP addresses are stored in a list of a class Machines
. I have a loop that creates a Task
(where MachinePingResults
is basically a Tuple of an IP and online status) for each IP and calls a ping function using System.Net.NetworkInformation
.
The issue I'm having is that after hours (or days) of running, one of the loops of the main program fails to finish the Tasks
which is leading to a memory leak. I cannot determine why my Tasks are not finishing (if I look in the Task list during runtime after a few days of running, there are hundreds of tasks that appear as "awaiting"). Most of the time all the tasks finish and are disposed; it is just randomly that they don't finish. For example, the past 24 hours had one issue at about 12 hours in with 148 awaiting tasks that never finished. Due to the nature of not being able to see why the Ping
is hanging (since it's internal to .NET), I haven't been able to replicate the issue to debug.
(It appears that the Ping
call in .NET can hang and the built-in timeout fail if there is a DNS issue, which is why I built an additional timeout in)
I have a way to cancel the main loop if the pings don't return within 15 seconds using Task.Delay
and a CancellationToken
. Then in each Ping function I have a Delay
in case the Ping call itself hangs that forces the function to complete. Also note I am only pinging IPv4; there is no IPv6 or URL.
Main Loop
...ANSWER
Answered 2021-Nov-26 at 08:37There are quite a few gaps in the code posted, but I attempted to replicate and in doing so ended up refactoring a bit.
This version seems pretty robust, with the actual call to SendAsync
wrapped in an adapter class.
I accept this doesn't necessarily answer the question directly, but in the absence of being able to replicate your problem exactly, offers an alternative way of structuring the code that may eliminate the problem.
Community Discussions, Code Snippets contain sources that include Stack Exchange Network
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Install basic
You can use basic 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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