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Stack Overflow : Recent Questions and Answers (Page 25)

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Update sql database from datagridview in c#

I'm new here but I need some help. I need to update a SQL Server database from C# with Windows Forms, but I'm having problems. I looked it up but...

Asked on 12/25/2021 by user13987069

2 answer

How to change source code in maven dependency?

I have a maven project with a bunch of dependencies, one of which I'd like to print a line to console to called pulsar-log4j2-appender. I tried opening the .class file...

Asked on 12/25/2021

2 answer

I'm trying to slice a column in dataframe in pandas

Df['column']123567789476900XXX444ABCJJJ863XXX02748462838583627484STITISTISTISTIXXXXXXXXXXXX836XXX738JJJ484ZZZ838ZZZ33269EEHHJ8888I TRIEDDf['column']=Df['column'].str[:3]OutputNanNan900NanNanSTI836Nan269NanI tried all possblie way to change the dtype of the column to string but it remains as object only...

Asked on 12/25/2021

3 answer

Can ESLint help you prevent Unhandled-Promise-Rejections?

Does eslint have any ability to warn about places to prevent Unhandled-Promise-Rejections?Unhandled promise rejections are deprecated. In the future, promiserejections that are not handled will terminate the Node.js process...

Asked on 12/25/2021 by Lonnie Best

3 answer

What is the difference between import static java.lang.Math.* and import static java.lang.Math.sqrt

I'm bit eager to know the difference between import static java.lang.Math.* and import static java.lang.Math.sqrt. I know, Math.* allow us to access all the static methods from Math class. Whereas...

Asked on 12/25/2021 by venky

4 answer

Wait for observable to get array-data

I know there have been several questions regarding this, but I havent found a way that works for me properly. If you find one gladly send it to me. So...

Asked on 12/25/2021 by bena

2 answer

How can you add an object into json through python

I am making a simple sandwich-logging app in Python and I want to add an object like this:"Sandwich A" : { "name" : "Sandwich A" ...

Asked on 12/25/2021 by JonasmanTheBot

1 answer

Pandas reindex to fill date index

How to reindex this df to fill missing dates. query min max meanDATE ...

Asked on 12/25/2021 by Niviral

1 answer

checking if file exists in FileInfo[]

I am creating a Windows application in which on a button click it will check a folder specified in the .config file for '.SQL' files and if it has any...

Asked on 12/25/2021 by Abhilash VG

1 answer

Create a functions, which creates a new array out of an existing one, which has less or equal amount of elements and no repeats

I have an array like this:var arr = [0,1,2,3,4,5]What I need is to write a function, which will generate a new array of random length (but less or equal...

Asked on 12/25/2021 by Vitaliy Avdyeyev

3 answer

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