DataParser | Raw data parser alternative to RealDeviceMap /raw endpoint | Parser library
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kandi X-RAY | DataParser Summary
Raw data parser alternative to RealDeviceMap /raw endpoint
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QUESTION
I am currently learning Dart and I have some problems related to file read/write.
I have a Bluetooth sensor sending me data (very fast) and after applying some processing methods on it, I would like to write it in a file. I have just realized that although I am receiving all data I need from Bluetooth, I am not writing them all in the file.
I have two files: one to read data and apply some processing on it and one to handle file operations.
// 1: Reading data and applying processing
...ANSWER
Answered 2022-Feb-18 at 09:55I found the problem after working on it for 1 day... I was sure that the problem was occurring in writeFile
, because I checked dataList[0]
and it contains what I want.
Apparently, this await _localFile
was taking it's time with "taking the directory path, creating a new file, etc." and this was the moment I was losing my time and missing data.
Instead, I am now calling _localFile
at the very beginning of data acquisition, instead of calling it every time in writeFile
. It is logical though I didn't think await
would lag my program this much.
QUESTION
I am trying to get a list of all the unique keys in a JSON with a list of their unique values.
An example input looks like this:
...ANSWER
Answered 2022-Feb-09 at 21:42Since we want to traverse every list and dict, we call the recursive get_unique_keys
while we walk them. While traversing a dictionary, we update the output dictionary by the key-value pairs. We use the if-else condition to keep only unique values.
QUESTION
Right now, I'm working to an application which receive a series of bytes and send them via serial, but it's a little bit cumbersome because for example I have this scenario: I want to send via serial two bytes with a special meaning, then two float and then a string:
...ANSWER
Answered 2021-Feb-22 at 18:16You can use a regular expression fairly easily to convert the tokens that are in brackets to different values.
QUESTION
Very strange - I've been using a python script that scrapes data and then passes it to a php-script - Worked like charm for weeks, until today something happened.
I got the following message from apache2 errorlog:
...ANSWER
Answered 2021-Jan-24 at 16:48I solved the problem by flushing the outputstream buffer
More precisely I changed the printfunction from:
print ("Content-type: text/html\r\n\r\n")
to:
print ("Content-type: text/html", end="\r\n\r\n", flush=True)
QUESTION
TLDR; Does my DailyRecordDataManager class have a code smell? Is it a 'God Class'? and how can I improve the structure?
Hi,
I'm working on my first project with Spring. It's going to fetch covid-19 data from the Madrid (where I live) government website, organise it by locality, and serve it up through an API.
Here is a sample of the JSON data I'm consuming.
...ANSWER
Answered 2021-Jan-20 at 16:50For anyone who finds this and wonders what I ended up opting for the Pipeline pattern.
It allowed me to easily organise all of the individual classes I was using into one clean workflow. It also made each stage of the process very easy to test. As well as the pipeline class itself!
I highly recommend anyone interested in the patter in Java to check out this article, which I used extensively.
QUESTION
the scenario is i am having the file uploader, which accept .json,.csv file after having file, If i clicked on upload button ,then homeComponent call the service dataparser , which is having two function readJson readCsv, and readcsv
function
returning the observable other one returns array ,this is simple i have to call the both function
on if else and handle the subscriber and array on HomeComponent
But wait i do not want to handle these complexities at component level so i want to return only array of data on the home component page so, I have handle these on service but observable creating problem in this
**dataparser.service.ts having threee methods**
ANSWER
Answered 2021-Jan-09 at 22:29You cannot await Observables directly, however, you can await
a Promise. You can simply use the .toPromise()
method on the observables subscription. Consider the following:
const date = await dateSubscription.toPromise();
QUESTION
There is a class in my project called DataParse. I am making multiple connections with Ethernet. Every time a new connection is opened I create a new class as follows. Also, there is one timer in this class.
...ANSWER
Answered 2020-Dec-17 at 12:15Try manually disposing the timer in the Dispose method. As far as I see the timer is never disposed.
QUESTION
currently I am testing my Spring Boot app, which is a rest service with a circuit breaker pattern. Now I called my service with 20 threads at the same time and get the following log entry:
...ANSWER
Answered 2020-Sep-22 at 07:16I found out what was the problem. Histrix uses the normal java ThreadPoolExecutor and the value of maximum threads is set to 10. This https://medium.com/@truongminhtriet96/playing-with-hystrix-thread-pool-c7eebb5b0ddc article helped me alot. So I set these configs
QUESTION
I am trying to create an optional parser rule. Depending on the value of the first attribute, I want to optionally emits a data.
Example, for the input:
...ANSWER
Answered 2020-Sep-18 at 20:15Okay. You use lots of power-tools. But remember, with great power comes....
In particular, qi::locals, phoenix, semantic actions: they're all complicating life so only use them as a last resort (or when they're a natural fit, which is rarely¹).
Think directly,
QUESTION
What I have:
...ANSWER
Answered 2020-Aug-31 at 15:23Try this.
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