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How to extract the hostname from a URI that includes a username and password in Perl?
Oct 31, 2025
regex
perl
ssrf
Can optimizing compiler deduplicate functions with identical assembly?
Oct 31, 2025
c
assembly
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Why do we need condition variables when we can use two semaphores?
Oct 31, 2025
c
multithreading
synchronization
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storing an R function output list in a column of lists for further processing
Oct 31, 2025
r
list
dplyr
C macro expansion order (need to understand why) [closed]
Nov 01, 2025
c
c-preprocessor
Why does template deduction for a nested std::array with one element result in a one dimensional std::array?
Nov 01, 2025
c++
template-argument-deduction
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list-initialization
Cannot understand the behaviour of pandas case_when used on Series with different indexes
Oct 31, 2025
python
pandas
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How does Haskell understand this function? Weird behavior
Nov 01, 2025
haskell
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Why does this va_start crash?
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Can the name of a template parameter shadow the name of a member of that class?
Oct 31, 2025
c++
language-lawyer
Move ggplot legend into title area
Nov 01, 2025
r
ggplot2
cowplot
grob
Use UnsafeCell to get around rules for uninitialized memory
Oct 31, 2025
rust
unsafe
Why is pandas not formatting dates with date_format?
Oct 31, 2025
python
pandas
csv
date
GNU ld - Don't allow multiple definitions (function symbols) or at least warn when found in single archive (*.a)
Oct 31, 2025
c
assembly
ld
multiple-definition-error
Can I instantiate an object in PowerShell and set a property in a single command?
Nov 01, 2025
powershell
syntax
method-call
How does PCRE \p{N} define a "numeric character"
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regex
unicode
pcre
pcre2
Can there be a non-visual (without dfm) base form between TForm and any other form of the app?
Oct 31, 2025
forms
delphi
inheritance
vcl
delphi-2009
Replace NA values in R dataframe across multiple columns using truncated names of other columns [duplicate]
Nov 01, 2025
r
dataframe
dplyr
na
Correct interpretation of clause 6.5 Expressions in the draft C standard
Nov 01, 2025
c
strict-aliasing
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