In following code: console.log("Deploying contract…."); const simpleStorage = await simpleStorageFactory.deploy(); await simpleStorage.deployed(); Line 2 deploys the contract and we get hold of it. Why do we need to call deployed method in Line3? >Solution : calling deploy() will create the transaction, and you can get the contract address immediately, however this does not mean the… Read More hardhat ethers: deploy vs deployed
Looking for a regex to not match more than 1 occurrence of a trailing slash api/v1 /api/v1 /api/2v1/21/ /api/blah/v1/ /api/ether/v1// /api/23v1/// Expected match /api/v1 /api/2v1/21/ /api/blah/v1/ What I tried: ^\/([^?&#\s]*)(^[\/{2,}\s])$ >Solution : In the pattern that you tried, the second part of the pattern can not match, it asserts the start of the string ^… Read More Regex to not match more than one trailing slash in string
I am trying to apply not null validation on an attribute of my request which is instructedAmount but it is not working. I have a Spring Boot (V2.3.0.RELEASE) application with the following endpoints: @Validated public class TestController { @PostMapping(value = "/test/pay") public ResponseEntity<IPSPaymentResponse> validatePayt(@Valid @RequestBody InstantPaymentRequest instantPaymentRequest) { log.debug("start validatePayment method {}", instantPaymentRequest); …. The… Read More Spring boot rest requestbody and @valid not working when object is null/empty
I’ve written this code to convert a string to uppercase and lowercase, however when I call my functions, it doesn’t run. # take the input for the string string = input("Enter any string: ") def string_upper(up): return up.upper() print("Uppercase Output: ", string_upper(string)) def string_lower(low): return low.lower() print("Lowercase Output: ", string.lower(string)) if __name__ == "__main__": string_upper(up)… Read More Python functions not running correctly
I need a regex that checks whether a string contains the following characters ‘ " | \ / <> ; "Team’s<>".contains("/[\"’\\/\\\\<>;|]/;") val regex = Regex(pattern = "’.*’.*\".*\\|.*\\\\.*/.*<>", options = setOf(RegexOption.IGNORE_CASE)) regex.matches(input) >Solution : You could include all the characters you’re looking for in a simple character class and escape them. [\’\"\|\\\/\<\>;] If the regex finds… Read More Check whether the string contains special characters Kotlin
Is there a reasonable way to detect duplicates in a Pandas dataframe when a column contains lists or numpy nd arrays, like the example below? I know I could convert the lists into strings, but the act of converting back and forth feels… wrong. Plus, lists seem more legible and convenient given ~how I got… Read More Detecting duplicates in pandas when a column contains lists
In my database I have two tables: user, columns: id, username friends, columns: this_friend_id, that_friend_id On my website, users can send each other friend requests, and when one user accepts the friend request of an other user, an entry in the friends table is made with the id of the user who sent the request… Read More SQL statement complicated INNER JOIN
First time posting, sorry if I am doing something wrong or am unclear about my question I’m pretty new to Haskell and I am having a hard time figuring out how could I manipulate a list comprehension to show me what I want. I have two functions that give me lists of tuples(they are basically… Read More How could i manipulate a list comprehension?
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: Login… Read More Webscraping with Selenium in Python
I’m trying to do a comparison between a value, if it exists in Json, using "if and else", but it always falls into the "else" condition first. my code: with open(arquivo, ‘r’) as f: data= json.load(f) data2 = data["Privado"] baka = 1199736520 #Id exists in json for s in data2: abc = s["id"] if baka… Read More how to make a functional "if" condition using Json in Python?