fyr | experimental compiler for IoT applications | Interpreter library
kandi X-RAY | fyr Summary
kandi X-RAY | fyr Summary
Fyr is a modern systems programming language that combines the versatility of C with the ease and safety of application programming languages like Java, Go or TypeScript. Like C/C++, Fyr can be used for low-level hardware-oriented programming and high-level application programming. In contrast to C, the Fyr compiler guarantees memory safety and thread safety at compilation time. Fyr is designed to implement all tiers of distributed IoT applications, i.e. embedded devices, server-side code and the Web UI. Furthermore, it can be combined with existing C and JavaScript code. It is currently in early stages of development, so some features are not yet implemented and others could be removed in the future.
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fyr Key Features
fyr Examples and Code Snippets
Community Discussions
Trending Discussions on fyr
QUESTION
I want a kafka consumer to consume messages from a particular/specified partition of a topic
It works using kafka-console-consumer.sh with switch --partition partition_number
I am using kafka_complex_consumer_example.c code from librdkafka
Upon static code analysis, I feel it can serve my purpose but I am not able to find out the exact command line parameters to be passed to main(int argc & char **argv) function for the code to run and start consuming on a topic's particular partition.
Have a look at the code here - rdkafka_complex_consumer_example.c
Full github code of librdkafka here FYR
If this code doesn't serve the purpose, please specify some other code that can help
...ANSWER
Answered 2021-Jun-10 at 12:06If you look at the usage string, putting a colon after the topic name designates which partition to consume from
More specifically, topicpartition type holds information for a specific partition, and this line creates the list of those
https://github.com/edenhill/librdkafka/blob/master/examples/rdkafka_complex_consumer_example.c#L528
QUESTION
In my experiments with Javascript functions here, I declared and defined 'myFunction()' 4 times and added this function to the click event of a button. In my observation I found the 4th implementation of 'myFunction()' is always called.
How does Javascript engine interprets and processes this code internally?
Can we override this default behavior? If yes, how?
FYR Code:
...ANSWER
Answered 2021-May-14 at 14:31Don't have an exact answer but that makes sense. The code is loaded sequentially and every declaration of the function overrides the previous one just like a variable assigned multiple time will override itself and the last assignment is the one that dominate.
QUESTION
I have a data frame, df_ret, that includes daily returns for a stock with an ID. It is daily, so that gives me 1762 rows. It's from 2010-01-04 to 2016-12-30.
...ANSWER
Answered 2021-Apr-05 at 21:08From what I understand, you want to merge the 2 dataframes, then filter to get relevant rows and then group by using ddply on ret
QUESTION
I want to just put blank if the field is null.
Data:
...ANSWER
Answered 2021-Jan-26 at 03:56You can use boolean expressions in the condition of if statement.
QUESTION
I happen to have a data set like this,
...ANSWER
Answered 2020-Oct-21 at 13:59Decimals are not a property of the object, they are a property of the print method used on the object. For better or worse the tibble and pillar packages are very restrictive about how decimals get printed.
If you need to use tbl/tbl_df for other features, but don't like the print method, use a different print method.
Either:
QUESTION
I have progress bar within scrollview and I need to change that progress bar value/Color, when user start scrolling ,
Say example progress bar value will be 0 and background color will be will be light gray in the initial and if user start scrolling means that bar value need be increased gradually(i.e)progress bar background color will be fill with some other color based on Scrolling.
NOTE:- This is the Screen FYR Reference design
...ANSWER
Answered 2020-Oct-15 at 05:11You can get when the scroll view is scrolling with scrollViewDidScroll. Then, you can set the progress view's value based on how much is scrolled.
QUESTION
I am using below code but never see some methods getting called. What can be the probable reasons for it. FYR below is my code.
...ANSWER
Answered 2020-Sep-10 at 09:56One source code line like
QUESTION
I'm trying to build a simple page builder which has a row elements, its child column elements and the last the component which I need to call. For this I designed and architecture where I'm having the dataset defined to the root component and pushing the data to its child elements via props. So let say I have a root component:
...ANSWER
Answered 2020-Jul-25 at 09:18The issue is with the way you're setting your data in the addComponent method.
Vue cannot pick up changes when you change an array by directly modifying it's index, something like,
QUESTION
I am new to Kubernetes trying to build kubernetes cluster by kubeadm and I have crossed the stage till kube init (with args PFB command FYR) but the CoreDNS pod is failing with CrashLoopBackOff state. I have tried to check the event of that pod and got the below error. I am not sure to which service its calling and why it gets a connection refused. Could you please help me to fix this issue? PFB commands which I have executed.
kubeadm init:
...ANSWER
Answered 2020-Jul-10 at 23:57You have to edit your coredns configmap and add the readiness flag:
QUESTION
I am trying to implement a lateral controller for an autonomous vehicle defined by a lateral dynamic model.Well, my problem is that the CVs don't reach the desired reference or target point set by SP. I am using the following equations of motion and objective function. I am using a semi empirical formula (pacejka) to calculate tire forces donated by Fyf Fyr. Here are the equations of motion and objective function. Thanks in advance.
...ANSWER
Answered 2020-Jun-19 at 05:16For a reference trajectory, you need to include the time constant TAU for how fast to reach the setpoint.
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