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How to catch platformException in flutter/dart?

I am getting Exception has occurred. PlatformException (PlatformException(sign_in_canceled, com.google.android.gms.common.api.ApiException: 12501: , null)) w

Play soundtrack in C++

I make a game in C++ without using any engine. And now I want to play sound track in my game. I use function Playsound to play my sound track but when I get a s

NoMethodError in TransactionsController#index

I want to add the sum of all the prices of a transaction of a current user, I have this in my transaction controller @group_transaction_id = @transactions.group

How to make a checkbox checked by default and also retrieve old value from database in laravel

I have a checkbox and i want to make my checkbox checked by default, if the user unchecks the checkbox and save the form, i need the checkbox to be unchecked wh

How to fix error in R code because of NaN values?

I have an assignment to estimate parameter $θ$ from a sample with Pareto distribution with density $f(x; θ) = θ/x^(θ + 1), x ≥ 1$, wh

Insert a DATE into H2 database

I want to insert a date into my H2 database using a sql script. Now I have the following: CREATE TABLE CUSTOMERS ( ID int NOT NULL, FIRSTNAME varchar(50) NO

How to avoid "ORA-00936: missing expression" when selecting required column(s) first then remaining columns without giving column names

select columname,* from tablename error ----- ORA-00936: missing expression 00936. 00000 - "missing expression" *Cause: *Action: Error at Line: 10 Column:

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