Merge pull request #639 from unum-cloud/main-dev

Multi-threading Usability in Python & JavaScript

Author: ashvardanian

CONTRIBUTING.md

@@ -163,15 +163,15 @@ The compilation settings are controlled by the `setup.py` and are independent fr
 To install USearch locally using `uv`:
 
 ```sh
-uv venv --python 3.11           # or your preferred Python version
-source .venv/bin/activate       # to activate the virtual environment
-uv pip install -e .             # to build locally from source
+uv venv --python 3.11                   # or your preferred Python version
+source .venv/bin/activate               # to activate the virtual environment
+uv pip install -e . --force-reinstall   # to build locally from source
 ```
 
 Or using `pip` directly:
 
 ```sh
-pip install -e .
+pip install -e . --force-reinstall
 ```
 
 For testing USearch uses PyTest, which is pre-configured in `pyproject.toml`.

include/usearch/index.hpp

@@ -1751,6 +1751,9 @@ class memory_mapped_file_t {
     {
     }
 
+    memory_mapped_file_t(memory_mapped_file_t const&) = delete;
+    memory_mapped_file_t& operator=(memory_mapped_file_t const&) = delete;
+
     memory_mapped_file_t(byte_t* data, std::size_t length) noexcept : ptr_(data), length_(length) {}
 
     memory_mapped_file_t& operator=(memory_mapped_file_t&& other) noexcept {

javascript/lib.cpp

@@ -388,7 +388,7 @@ Napi::Value exactSearch(Napi::CallbackInfo const& ctx) {
         return env.Null();
     }
 
-    executor_default_t executor(threads);
+    executor_default_t executor{threads};
     exact_search_t search;
 
     // Performing the exact search.