Cassandra Database
Last week I had an opportunity to experiment with Cassandra database in a semi-real environment. A few notes: Cassandra goes out of its way to be friendly to “traditional” SQL […]
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Another entry to the [error message] => [solution] hash table. Context: C++ build with Conan. Error: relocation R_X86_64_PC32 against undefined hidden symbol `_ZTCN5boost10wrapexceptISt11logic_errorEE0_NS_16exception_detail10clone_implINS3_19error_info_injectorIS1_EEEE’ can not be used when making a […]
Conan+CMake: how to display actual compilation commands?
As part of the conanfile.py, add the following: def generate(self): toolchain = CMakeToolchain(self) toolchain.variables[‘CMAKE_VERBOSE_MAKEFILE’] = ‘ON’ toolchain.generate() CMakeDeps(self).generate() Build output without CMAKE_VERBOSE_MAKEFILE: [ 78%] Building CXX object cpp/test/unit/CMakeFiles/IntegrationTest.cpp.o Build output […]
Google Maps does not say street names (take 2)
During my recent trip abroad, Google Maps yet again was refusing to say street names, so it would say “take the interchange on the right” instead of “take exit 55 […]
ChatGPT is too human?
I am starting to suspect that ChatGPT is emulating humans too well when it comes to parsing requirements. I asked it to write a Python program that, among other things, […]
Today I learned: comparison of Python tuples
Turns out Python has built-in ordering for tuples and other built-in sequences, and it is organized very intuitively. I should have known that, but I didn’t 🙂 This makes comparing […]
Setting up Django in a Docker Container on Windows 10
Setting up Django in a docker container proved to be harder than I expected, so I am recording the steps here. Oerview: Get Docker Desktop Get Ubuntu 20.04 on Windows […]
Five letters problem: Python vs C++ vs C#
The task is to find groups of 5 English words in which each letter appears at most once, i.e. 25 letters total. These must be “real” English words from the […]
I’ve had it with Windows 11
I bought a laptop with Windows 11 preinstalled, and ran into too many usability issues. They are not critical, but annoying, and it looks like I can downgrade my laptop […]
C++ random number generation
This post compares random number generation in “the old days”, and in modern C++. This is how we used to do it: #include <cstdlib.h> srand((unsigned)time(NULL)); // seed the random number […]