Advertisements As a language that aims for safety and performance, Rust provides a powerful data structure called HashSet that provides a fast and efficient way to store and retrieve unique values. HashSet is optimized for scenarios where you need to check for the presence of a value and avoid duplicates, making it a popular choice… Read More How to apply function that returns Result to each element of HashSet in Rust
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Advertisements from itertools import permutations,product,combinations_with_replacement colours = [‘r’,’g’,’b’] y = list(product(colours,repeat =2 )) x = list(combinations_with_replacement(colours,2)) print(y) print(x) I understand permutation of a set of objects is an ordering of those objects. When some of those objects are identical, the situation is transformed into permutations with repetition. >Solution : This may provide some insight: colours… Read More What is the relationship between the product function and the concept of permutations with repetitions?
Advertisements I am m trying to write an app that just saves and holds data, and I am getting the following error. Unexpected text node: . A text node cannot be a child of a < View >. (On Chrome DevTools) Text must be rendered withing a component (On Expo Go simulations) From what I… Read More React Native – Text must be rendered withing a <Text> component
Advertisements A list of variables with assigned values. I want to return all the possible combinations from each pair (every two of them). The print-out is the names of the pair, and sum of them. For example: (Mike, Kate) 7 I’ve tried below. The result comes out, but not the names of pairs: import itertools… Read More Output variable names when summing a tuple
Advertisements I am trying to webscrape the list of DAOs from masari.io but I am having trouble because I get the following errors: DeprecationWarning: executable_path has been deprecated, please pass in a Service object driver = webdriver.Chrome(options=options, executable_path=DRIVER_PATH) DevTools listening on ws://127.0.0.1:56691/devtools/browser/b4609671-5e6e-4d25-b09e-4116b3dde4bf [0525/100030.252:INFO:CONSOLE(1)] "enabling sentry error tracker", source: https://messari.io/static/js/main.977a4794.chunk.js (1) [0525/100030.951:INFO:CONSOLE(2)] "Unable to refresh token:… Read More Webscraping with Selenium in Python
Advertisements I want my tab layout to appear on top of my screen. Currently it is on the bottom on the screen. Tried a few ways didn’t work. How can I make it go on top of my screen. Code for the xml file <?xml version="1.0" encoding="utf-8"?> <FrameLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="match_parent" tools:context=".kanbanManagement"> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"… Read More send tab layout on top
Advertisements I’m trying to insert some values into my vertica database using the vertica_python module: data = {‘SalesNo’: [‘12345’, ‘678910’], ‘ProductID’: [‘12345_2021-10-21_08:51:22’, ‘678910_2021-10-21_10:27:03’], ‘StoreID’: [‘6d522936e240cd64e1cf9176c5bfdff3bfe8146a345ff2’, ‘a7274d507d443c752be66b2851415138d75bd913d4949e’], ‘PurchaseTime’: [‘2021-10-21 08:51:22.846000’, ‘2021-10-21 10:44:06.218000’], ‘Date’: [‘2021-10-21’, ‘2021-10-21’], ‘StoreNumber’: [‘0’, ‘1’], ‘PurchaseValue’: [‘348.0’, ‘4893.23’] } dataset = pd.DataFrame(data) column = dataset.columns n = len(column) SQL_insert = f"INSERT INTO table_name… Read More TypeError: not all arguments converted during string formatting in vertica_python
Advertisements Below is my worked examples: from itertools import zip_longest test2 = [‘register/adam/users_photo3.jpg’, ‘register/adam/users_photo4.jpg’, ‘register/justin/users_photo1.jpg’, ‘register/justin/users_photo2.jpg’, ‘register/adam/users_photo3.jpg’, ‘register/adam/users_photo4.jpg’, ‘register/justin/users_photo1.jpg’, ‘register/justin/users_photo2.jpg’, ‘register/steve/users_photo1.jpg’, ‘register/steve/users_photo2.jpg’, ‘register/justin/users_photo1.jpg’, ‘register/justin/users_photo2.jpg’, ‘register/steve/users_photo1.jpg’, ‘register/steve/users_photo2.jpg’, ‘register/justin/users_photo1.jpg’, ‘register/justin/users_photo2.jpg’] test = ["justin","adam"] filter_list = [] for p,q in zip_longest(test,list_of_files): for r in list_of_files: if str(p) in r: filter_list.append(r) testmain=[p for p,r in zip_longest(test2,filter_list) if str(r) not… Read More extract path name based on a string
Advertisements I am completely new to Android Studio and just learned Object-oriented programming. My project requires me to build something on open-source code. I added a new menu item to a menu and want to start another activity once the user clicks the menu item with id: plot. The intent will be sent from if… Read More MenuItem and toolbar missing in new activity Android Studio Unknown Bug
