Update C++ libpqxx docs for libpqxx 8 and Ubuntu 26.04#179
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- Warn that Ubuntu 26.04's libpqxx-dev (7.10) has a double-free, with instructions to build libpqxx 8.0.1 from source
- Update compile command to c++23
- Update insert API from exec_prepared to exec(pqxx::prepped{}, pqxx::params{})
- Replace `using namespace std` with explicit std:: prefixes
pfent
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Jun 12, 2026
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| {{% callout type="warning" %}} | ||
| The `libpqxx-dev` package in Ubuntu 26.04 ships libpqxx 7.10, which [crashes on exit](https://github.com/jtv/libpqxx/issues/1195) due to a double-free in `pqxx::internal::demangle_type_name`. Build libpqxx 8 from source instead: |
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| The `libpqxx-dev` package in Ubuntu 26.04 ships libpqxx 7.10, which [crashes on exit](https://github.com/jtv/libpqxx/issues/1195) due to a double-free in `pqxx::internal::demangle_type_name`. Build libpqxx 8 from source instead: | |
| The `libpqxx-dev` package in Ubuntu 26.04 ships libpqxx 7.10, which [crashes on exit](https://github.com/jtv/libpqxx/issues/1195) due to a double-free in `pqxx::internal::demangle_type_name`. We recommend building libpqxx 8 from source instead: |
pfent
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Jun 12, 2026
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using namespace stdwith explicit std:: prefixes