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Development

jest mock: what mocking method to use? best practice

I’m trying to write a jest unit test by replacing react-native-randombytes as it uses some NativeModules. My error message: Test suite failed to run TypeError: Cannot read property ‘seed’ of undefined > 1 | const RandomBytes = jest.genMockFromModule(‘react-native-randombytes’); | ^ 2 | 3 | const randomBytes = (l) => { 4 | let uint8 = […]

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Development

Convert a simple multithreaded program with asyncio

I am still pretty new to Python asyncio, so I am trying to convert a simple problem I solved using multithreading, to using asyncio. I made an example of what I want to achieve. Each MiniBot instance can start at random times (those time.sleep() calls in main represent instantiations at unpredictable times.) I am expecting […]

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Development

Efficient way to filter an array based on element index

I have an array of arrays. So each element of my first array contains a comma separated list of values. If I use the split function, I can get an array from this comma separated list. What I need to do is filter out this second array based on element position. For example only keep […]

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Development

What does the 9 mean, in -r option: zip -r9 ${OLDPWD}/package .?

Context: AWS documentation on how to create zip files for python code with dependencies, see: https://docs.aws.amazon.com/lambda/latest/dg/lambda-python-how-to-create-deployment-package.html I understand -r is recursion flag, but I’m unclear what the “9” in -r9 achieves? ~/my-function$ cd package ~/my-function/package$ zip -r9 ${OLDPWD}/function.zip . adding: PIL/ (stored 0%) adding: PIL/.libs/ (stored 0%) adding: PIL/.libs/libfreetype-7ce95de6.so.6.16.1 (deflated 65%) adding: PIL/.libs/libjpeg-3fe7dfc0.so.9.3.0 (deflated 72%) […]

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Development

Adding subproject resolved dependencies to earlib in gradle 5.5.1

I have a multi-project build with 100+ EAR files. The subprojects more or less use a convention like this: subproject1 -| subproject1JAR -| subproject1EAR -| subproject1WAR subproject2 -| subproject2JAR -| subproject2EAR -| subproject2WAR When I refer to JAR, below, I’m referring to the business logic/SDK contained in, e.g., subproject1.jar. I have some logic in an […]

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Development

UnboundLocalError: local variable ‘batch_index’ referenced before assignment

This is NOT MY code by here is the line, where it shows a problem: model.fit(trainX, trainY, batch_size=2, epochs=200, verbose=2) (As I am thinking now, it is very possible this code uses an older version of TF, because ‘epochs’ was written as ‘nb_epoch’). The last update of the code is from: Jan 11, 2017! I […]

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[ Civic Participation ] Open Question : How would changing the auto mileage standards affect US cars being able to sell in other countries?

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Ask Cooking & Recipes

[ Cooking & Recipes ] Open Question : Dont you hate when you don’t know how to cook something at home so you have to pay extra for it at a restaurant?

i still haven’t mastered teryiki steak and fried rice after trying a dozen times so i decided i was gonna stop wasting my time and money on ingredients. the steak i used was sirloin tip and it wasn’t nearly as tender and delicious as my favorite japanese restaurant. cut the steak in cubes marinated in […]

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Ask Mathematics

[ Mathematics ] Open Question : Help please?!?

a chocalate cake requires four cups of milk and 3 cups. A loaf of pumpkin bread requires two cups of milk and three cups of flour. Po-Po has sixteen cups of milk and fifteen cups of flour in his pantry. He makes a $20 profit on each chocolate cake he selld and $15 each loaf […]

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Ask Marriage & Divorce

[ Marriage & Divorce ] Open Question : How do you stop feeling jealous of your friends getting engaged/married?

I hate feeling jealous when I should be feeling grateful for them. These feelings of what they call “Engagment Envy” cause me to feel jealous and then feel guilty for feeling jealous. How do you stop these feelings of jealousy and envy?