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I am trying to delete duplicate child rows for a parent row. I tried using count if but it removes all the duplicate child even from other parent item
Oct 25, 2025
excel
excel-formula
Compare 2 Lists Return Matches
Oct 25, 2025
arrays
excel
indexing
match
inconsistent deduction with decltype(auto) when returning pointer or nullptr
Oct 25, 2025
c++
pointers
nullptr
decltype-auto
Execute and wait for unknown number of coroutines with asio
Oct 25, 2025
c++
boost-asio
How to fix a warning (ignoring attributes) with a `vector` of `__m256`
Oct 26, 2025
c++
c++17
intrinsics
memory-alignment
avx2
How to generalize this function with a variadic template
Oct 25, 2025
c++
templates
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How to prevent edit mode on double-click in JavaFX TableView while keeping single-click edit?
Oct 26, 2025
java
javafx
Angular 19 SSR: The 'detail/:id' route uses prerendering and includes parameters, but 'getPrerenderParams' is missing
Oct 26, 2025
angular
angular-routing
angular-ssr
angular19
Why does sort() with key function not do anything while sorted() is working?
Oct 26, 2025
python
python-3.x
list
sorting
How do I plot cases by week in R? [duplicate]
Oct 26, 2025
r
time-series
Using a namespace-scope static variable as function default parameter
Oct 26, 2025
c++
linkage
default-parameters
Efficient and readable way to get N-dimensional index array in C-order using NumPy
Oct 25, 2025
python
arrays
numpy
numba
Is there a way to add information about the cmake build mode (debug or release) into a compiled C++ executable?
Oct 25, 2025
c++
cmake
Github Copilot "Edit" Tab is missing
Oct 26, 2025
visual-studio-code
github-copilot
vscode-copilot
`constexpr` code expected to compile in c++20 but it doesn't. Why?
Oct 25, 2025
c++
c++20
C++ detecting function overload without conversions
Oct 26, 2025
c++
templates
overloading
How to convince the compiler that my async `FnMut` is not invoked in parallel?
Oct 25, 2025
rust
Why do I get "GET / HTTP/1.1 404 Not Found" with FastAPI server?
Oct 25, 2025
python
fastapi
http-status-code-404
Java iterator of regex matches from large source
Oct 25, 2025
java
regex
iterator
Is Swig able to wrap nested structs when wrapping to produce python code?
Oct 25, 2025
python
c++
nested
wrapper
swig
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