4 Different Ways to Work With Nebula Graph in Apache Spark

A common question many Nebula Graph community users have asked is how to apply our graph database to Spark-based analytics. People want to use our powerful graph processing capabilities in conjunction with Spark, which is one of the most popular engines for data analytics. In this article, I will try to walk you through four … Read more

How to Hash, Salt, and Verify Passwords in NodeJS, Python, Golang, and Java

Storing passwords can be a nuance due to the liability of them being compromised. To make matters worse, users tend to reuse passwords across services which makes storing them securely even more important. The aim behind storing passwords securely is that even if the database containing them is compromised, the attacker can’t decipher any user’s … Read more

python – I want to put a list on a string

I’m getting a png file name from a file then and using regex to specify a 4 digit number png file name, removing the punctuations marks and saving it to another file What has stumped me was trying to put every individual value on the list in a string like: <div class=”parent”><img class=”img” title=”” src=”images/char/{HERE}.png” … Read more

vba – Best way to make a function that imports, parses, and then filters a JSON String for a specific item/key?

I would like to make a function that takes a stock’s ticker and retrieves historical financial statement data from it. I can successfully import a string with a Get HttpRequest – with the string being: {“2021-12-31”:{“date”:”2021-12-31″,”filing_date”:”2022-02-18″,”currency_symbol”:”USD”,”researchDevelopment”:null,”effectOfAccountingCharges “,”:null,”incomeBeforeTax”:”133731000.00″,”minorityInterest”:”0.00″,”netIncome”:”135443000.00″,”sellingGeneralAdministrative”:”240256000.00″,”sellingAndMarketingExpenses”:”333453000.00″,”grossProfit:null, “reconciledDepreciation”:”7541000.00″,”ebit”:”137005000.00″,”ebitda”:”144546000.00″,”depreciationAndAmortization”:”7541000.00″,”nonOperatingIncomeNetOther”:null,”operatingIncome”:null,”otherOperatingExpenses”:null, “interestExpense”:”3274000.00″,”taxProvision”:”-1712000.00″,”interestIncome”:”50588000.00″,”netInterestIncome”:”47314000.00″,”extraordinaryItems”:null,”nonRecurring”:null,”otherItems”:null ,”incomeTaxExpense”:”-1712000.00″,”totalRevenue”:”841439000.00″,”totalOperatingExpenses”:null,”costOfRevenue”:null,”totalOtherIncomeExpenseNet”:”-7150000.00″,”discontinuedOperations”:null,”netIncomeFromContinuingOps”:” 135443000.00″,”netIncomeApplicableToCo mmonShares”:”135443000.00″,”preferredStockAndOtherAdjustments”:null},”2020-12-31″:{“date”:”2020-12-31″,”filing_date”:”2021-03-18″,”currency_symbol” :”USD”,”researchDevelopment:null,”effectOfAccountingCharges”:null,”incomeBeforeTax”:”5950000.00″,”minorityInterest”:”404000.00″,”netIncome”:”5983000.00″,”sellingGeneralAdministrative”:”83190000.00″,” sellingAndMarketingExpenses”:”99659000.00″,”grossProfit”:null,”reconciledDepreciation”:”2278000.00″,”ebit”:”14380000.00″,”ebitda”:”16658000.00″,”depreciationAndAmortization”:”2278000.00″,”nonOperatingIncomeNetOther”:null “,”operatingIncome”:null,”otherOperatingExpenses”:null,”interestExpense”:”8026000.00″,”taxProvision”:”371000.00″,”interestIncome”:”12842000.00″,”netInterestIncome”:”4816000.00″,”extraordinaryItems”:null ,”nonRecurring”:null,”otherItems”:null,”incomeTaxExpense”:”371000.00″,”totalRevenue”:”227601000.00″,”totalOperatingExpenses”:null,”costOfRevenue”:null,”totalOtherIncomeExpenseNet”:null,”discontinuedOperations” :null,”netIncomeFromCon tinuingOps”:”5579000.00″,”netIncomeApplicableToCommonShares”:”135443000.00″,”preferredStockAndOtherAdjustments”:null},”2019-12-31″:{“date”:”2019-12-31″,”filing_date”:”2019- 12-31″,”currency_symbol”:”USD”,”researchDevelopment”:null,”effectOfAccountingCharges”:null,”incomeBeforeTax”:”-4946000.00″,”minorityInterest”:”1026000.00″,”netIncome”:”-466000.00″ “,” sellingGeneralAdministrative”:”56812000.00″,”sellingAndMarketingExpenses”:”93175000.00″,”grossProfit”:null,”reconciledDepreciation”:”774000.00″,”ebit”:”26093000.00″,”ebitda”:”26867000.00″,”depreciationAndAmortization” :”774000.00″,”nonOperatingIncomeNetOther”:null,”operatingIncome”:null,”otherOperatingExpenses”:null,”interestExpense”:”26485000.00″,”taxProvision”:”74000.00″,”interestIncome”:”30827000.00″,”netInterestIncome” :”4342000.00″,”extraordinaryItems”:null,”nonRecurring”:null,”otherItems”:null,”incomeTaxExpense”:”74000.00″,”totalRevenue”:”163818000.00″,”totalOperatingExpenses”:null,”costOfRevenue”:null ‘totalOtherIncomeExpenseNet’:null “,”discontinuedOperations”:null,”netIncomeFromContinuingOps”:”-5020000.00″,”netIncomeApplicableToCommonShares”:”-466000.00″,”preferredStockAndOtherAdjustments”:null},”2018-12-31″:{“date”:”2018-12- … Read more

A document path must be a non-empty string, Flutter – Firebase error?

I have some mistakes with flutter and firebase, if someone can help would be great here is my auth controller class AuthController extends GetxController { final FirebaseAuth auth = FirebaseAuth.instance; final Rxn<User> _firebaseUser = Rxn<User>(); Rx<XFile>? _pickedImage; XFile? get profilePhoto => _pickedImage?.value; // final user = FirebaseAuth.instance.currentUser.obs; Rxn<User> get user => _firebaseUser; // final user … Read more

Sending Posix message via pipe

Sending Posix message via pipe I have the following file called helper.h, which I want to call in server and client files later. Code: #ifndef HELPER_H #include <iostream> … Read more

flutter – Data model failure in dart _TypeError (type ‘_InternalLinkedHashMap’ is not a subtype of type ‘String?’)

I cannot figure out the way to adapt my dart model to my json. I constantly get the error in BreedInfo class, field height: _TypeError (type ‘_InternalLinkedHashMap<String, dynamic>’ is not a subtype of type ‘String?’) I do not know why it does not accept a response if dynamic is supposed to identify the data type … Read more