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24,187,320 questions
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CSV files not looping through properly
I'm having an issue with looping in csv files. I have a data frame 'data1' set up to loop all of the files into, and every time I run the code, R separates out one csv into a separate df 'sheet'
There ...
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To change default Signature1 in PDFBox
In PDFBox, I'd like to change the default Signature1. I've tried to change the field of PDSignatureField by setting setPartialName, but will not affect to the signature name, still remaining ...
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how to write a python code that automatically converts currency in your dataset [duplicate]
I am writing a code that predicts salary. the currency column in my dataset has multiple currencies. I'm trying to write a code in R that automatically converts it to USD.
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Cannot create new variable because of "no applicable method for 'mutate' applied to an object of class "factor""
I have variable that contains a number of possible values that I want to consolidate into 3. I tried doing this using if_else or case_ when but when I run the code receive the above error. I then ...
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LibreOffice Writer - How to force block of text containing newlines not to straddle a page break
Version: 25.8.2.2 (X86_64) / LibreOffice Community
Build ID: 580(Build:2)
CPU threads: 8; OS: Linux 5.15; UI render: default; VCL: gtk3
Locale: en-US (en_US.UTF-8); UI: en-US
Calc: CL threaded
In a ...
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Eclipse C/C++ - how to remove include paths and symbols
During development and debugging I have moved and copied my project to different folders. Everything now works correctly and I can build and debug the project. However, there are about 25 warnings in ...
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Optimizing Spark job to detect and extract Enum values (low cardinality columns) across thousands of Hive/MySQL tables
I am building a data profiling tool to iterate through all tables in our data warehouse (a mix of Hive and MySQL tables) to identify and extract all possible values for "Enum-like" columns. ...
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Database error when updating user row in Supabase with RLS, denied despite correct user_id?
(btw im not anywhere near a professional with this stuff) I'm encountering a database error when trying to UPDATE a user row in my Supabase/Postgres app that uses Row-Level Security (RLS). When I ...
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Problem with Specificsfion and Strategy design pattern
I’m writing with a question I encountered in my project. I have one superclass and three subclasses, which inherit attributes from the superclass, and each subclass has its own specific attribute. I ...
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In squashfs, is there a way to find out a the exact block a file resides in
I would like to find out at what byte offset in my raw image file a file from a squashfs residing in this image is located at.
I am able to calculate the offset of the partition with the filesystem on ...
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Singleton using Lazy<T> vs Singleton using static field initializer
I am storing some settings for my application in a JSON file located alongside the application .exe. I want to load these settings only once, lazily, the first time one of them is needed. So for ...
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webContents.print silent prints empty
I'm trying to print text on a thermal printer in a Typescript project without human intervention (mandatory).
If I use the silent: false parameter, it works perfectly, but it requires the user to ...
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AWS CNI Plugin - failed (add): add cmd: failed to assign an IP address to container
I have two /27 subnets hosting the eks cluster, with a nodegroup containing two t3.medium nodes created by LaunchTemplate with the max-pods directive set to 110. After deploying a few pods, I noticed ...
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How can unsafe React Server Component deserialization paths like those exploited in React2Shell (CVE-2025-55182) be reliably detected and secured?
I’m researching the internal behavior of React Server Components (RSC) and the Flight protocol, specifically in relation to the React2Shell vulnerability (CVE-2025-55182).
This exploit abuses the $@ ...
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Under high load, streams obtained via LaunchedClassLoader are unexpectedly closed, causing file read failures
Issue
We are developing a component in a Spring Boot application that loads YAML configuration files from the classpath using ClassLoader#getResourceAsStream. After upgrading from Spring Boot v2.5.12 (...
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