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kandi X-RAY | codeReview Summary
kandi X-RAY | codeReview Summary
The role of code in science is quickly expanding in almost all scientific disciplines. But as we welcome computation into our professional fold and begin to understand coding as part of the technical bedrock of modern research, the need arises to understand not just the procedure of writing code, but the practice of building software - software that not only works today, but that lasts, evolves, and empowers over many years. Code Review is the first in a collection of notes and lessons from the Mozilla Science Lab on these practices, as seen through the lens of science as it is done today. In this series, we’ll cover the code review, software design, and project planning that keeps software projects healthy, makes them simple to build and maintain, and even a joy to use. This work 2014 Mozilla Science Lab. This work is licensed under a Creative Commons Attribution 4.0 International License.
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QUESTION
So this question was inspired by the following question on codereview: Converting a string to an array of integers. Which opens as follows:
I am dealing with a string draw_result that can be in one of the following formats:
...
ANSWER
Answered 2021-Jun-13 at 11:52It seems you want to get all numbers before a comma. You can use this PyPi regex based solution
QUESTION
I have a for loop which iterates over a map of a string as key (keyString) and a slice of type Data (sliceValue) as values. Inside that for loop I have a function process() that takes the sliceValue and keyString and does some operation on it.
I want the process function to be executed in parallel for all slices.
The code that I am mentioning is like this:
...ANSWER
Answered 2021-Jun-07 at 14:34Use sync.WaitGroup and do process inside the loop in go func.
QUESTION
I'm trying to construct the function call str_detect(words, "a") & str_detect(words, "e") & str_detect(words, "i") & str_detect(words, "o") & str_detect(words, "u") without doing all of that painful typing. I know that this is not a good way to solve the problem in question, but after doing a poor job of solving it a better way, I decided to try to do it like this just to see if I could learn anything from it.
My attempt was as follows:
...ANSWER
Answered 2021-May-31 at 12:33From funList you can achieve the expected output by -
QUESTION
I have a java.nio.ByteBuffer, which I need to pass to a Cassandra table that has a field as a blob.
Here is the relevant code for a toy example:
...ANSWER
Answered 2021-Apr-29 at 11:57QUESTION
I believe my question is very simple so I am hoping you can help me:
From this codereview post, I wanted to run the NASM portion of his / her code (2nd big block of code on that page there). Yet I get an error when running it. Specifically:
file.asm: error: Can't find valid values for all labels after 1003 passes, giving up.
file.asm: error: Possible causes: recursive EQUs, macro abuse.
I am running it on a Linux machine, with NASM 32 Bit x86 Assembly, which are precisely the parameters used in creating this program according to the user who originally posted that code review.
I looked up this error and found some, albeit little resources to help. It seems that if a label is pronounced twice in the code, it gets that error. However, I have been searching through this code for hours now and I cannot seem to find any duplicate labels or any reasoning as to why this error would pop up. Additionally, it seems that the users on the site did not bring up this error, indicating that it probably ran fine for them.
Why is this the case?
...ANSWER
Answered 2021-Apr-29 at 02:07There are two obvious errors. Line 5 (1-based) should be badNumL equ $-badNum, and line 7 should be gcdL equ $-gcdiv. Once those are fixed, there are a whole slew of other errors and warnings, but it will get you past the original error.
QUESTION
I've been struggling with the following program that helps me cheat in my maths class calculating the quadratic equation:
...ANSWER
Answered 2021-Apr-25 at 19:47%g in scanf() is for reading float. You should use %lg to read double.
Note that using %g in printf() to print double is fine.
QUESTION
Here I have written a MutableLiveList class that is intended to replace MutableLiveData> in my project. This is working fine till now. But if multiple modifications are done to the list when that activity is in inactive state, then only the last modification to that list will trigger adapter notify methods. In this case I don't know will the app crash. So I needed to mimic that situation exactly. When the screen rotates, activity gets destroyed and recreated. But I don't know how to add items to that list between that interval. Anyone please help me. Or tell me a better way to do it.
ANSWER
Answered 2021-Apr-25 at 17:08You could add them in the activity's onDestroy callback function. At that point the activity's Lifecycle object is either in the CREATED or DESTROYED state:
Point is it's not in the STARTED state at that point, and:
LiveDataconsiders an observer, which is represented by theObserverclass, to be in an active state if its lifecycle is in theSTARTEDorRESUMEDstate.LiveDataonly notifies active observers about updates. Inactive observers registered to watchLiveDataobjects aren't notified about changes.
So by the time you're in onDestroy, any observer using that activity's Lifecycle won't see any updates from the LiveData. So you should be able to add values to the LiveData without getting notified.
By the way, that "only notified of the last value" update is by design:
Generally,
LiveDatadelivers updates only when data changes, and only to active observers. An exception to this behavior is that observers also receive an update when they change from an inactive to an active state. Furthermore, if the observer changes from inactive to active a second time, it only receives an update if the value has changed since the last time it became active.
So if the data goes A, B, C while the observer is inactive, it won't be notified of those values. When it goes from inactive to inactive, it'll get the most recent value, C. It doesn't save a history of all the values an observer has missed
QUESTION
The below code appears often and is always missing a clicked_id, but why? It is always defined var button = document.getElementById("button"); but not as var button = document.getElementById(clicked_id); with ?
How to make this code possible to run for both button1 and button2?
The below is working but not in a way I want it to run. I am not pasting a broken code because I don't have an answer yet. I don't have problems with creating an onclick event but I can't modify a function below to make it work. In code no 2, the id is not specified but taken from the clicked_id of an already exsiting span. In code no 1 I cant make it work with clicked_id. I tried several ideas.
The similar posts are here but they all are missing changeable clicked_id:
1 https://codereview.stackexchange.com/questions/113587/detect-how-long-an-html-button-is-pressed 2 Hold event with javascript
...ANSWER
Answered 2021-Apr-21 at 17:53You can always have an eventlistener on the parent element (like div#test in my example), and then check if is is the right element that was clicked (like e.targt.nodeName == 'BUTTON'). In the example I add the starttime as a property to the element, so if you have more buttons (or that ever) you always know that is is the right starttime. And then you not have global values that you need to keep track of.
I'm not sure that the button element is the right choice in your case. This could also be solved with any other element.
QUESTION
What I am trying to achieve.
Run a python script saved On pythonanywhere host from google sheets on a button press.
Check the answer by Dustin Michels
Task of Each File?
app.py: contains code of REST API made using Flask.
runMe.py: contains code for that get values from(google sheet cell A1:A2). And sum both values send sum back to A3.
main.py: contains code for a GET request with an argument as name(runMe.py).filename may change if the user wants to run another file.
I Made an API by using Flask.it works online and offline perfectly but still, if you want to recommend anything related to the app.py.Code Review App.py
...ANSWER
Answered 2021-Apr-10 at 18:26You either haven't installed the gspread package on your current python environment or it is installed somewhere (e.g. in a diff. virtual env) and your script cant find it.
Try installing the package inside the environment your running your script in using pip3:
QUESTION
I am beginning a personal project of converting an interpreter written in python into C. It is purely for learning purposes.
The first thing I have come across is trying to convert the following:
...ANSWER
Answered 2021-Apr-08 at 20:39Does this look like it's covering all the cases in an endswith, or am I missing some edge cases?
You are missing at least the case where the substring appears twice or more, one of the appearances at the end.
I wouldn't use strstr() for this. Instead, I would determine from the relative lengths of the two strings where in the main string to look, and then use strcmp(). Example:
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