Lý sự pclouds

Extract from The C++ Programming Language, forth edition. Chapter 1.4.4.1 with some more from 44.2 and a bit from c++14

• Control of defauls with =delete and =default
• Type deduction with auto and decltype()
• Compile-time evaluation with constexpr and static_assert()
• In-class member initializers
• Inheriting constructors
• Lambda expressions (and suffix return type), nice to go with for_each() and other std::algorithms.
• Move semantics and std::move()
• noexcept and [[noreturn]] (c++14 adds [[deprecated]]; c++17 adds [[fallthrough]], [[maybe_unsused]] and [[nodiscard]])
• nullptr instead of the C way "NULL"
• for with a range std::begin() and std::end() (c++14 adds std::cbegin() and std::cend() to use with auto)
• Override controls with final and override
• Type alias with using
• Typed enum with enum class
• Initializer syntax {} and std::initializer_list
• >> and template declaration (thanks God!)
• Raw string literals R"()" and user-defined literals (c++14 standardizes string and time suffixes). Also binary literal prefix '0b' and digit separators in c++14.
• Declarations in conditions (probably since c++90, c++17 allows multiple declarations)
• Nested namespace declaration in c++17 (too far away)

Extract from 1.4.4.2

• hash map with unordered_map<>
• async() and friends
• regular expression
• unique_ptr<> and shared_ptr<> (bye bye auto_ptr<>). c++14 adds std::make_unique<>()
• std::function<> and std::bind()
• std::array<>
• rethrow_exception() and nested_exception
• emplace() in STL
• std::quoted on iostreams might be a nice addition (in c++14)
• c++17 finally has a file system library, wow.
• c++17 also adds std::variant<>, which sounds nice.

pstree -s $$

Hiện pid luôn thì thực tế hơn miếng

pstree -ps $$

pstree -h không chừng sẽ hữu dụng hơn nếu có thể đổi màu highlight.

Intel sna làm cho emacs vẽ lỗ chỗ, chuyển qua dùng uxa có vẻ hết

One of the things we did not foresee in 2017 is the sad demise of Linux Journal, which has been covering our community since the earliest days. That publication joins a long list of others --- The H, NewsForge, KernelTrap, LinuxWorld, Kernel Traffic, NTK, Linux Gazette, RootPrompt, Linux Action Show, LinuxDevices, Linux Voice, and so on --- that are no longer active.

https://lwn.net/Articles/741462/

26 hours in Divinity: Original Sin and I... went back to finish the tutorial

tmpfs source code is in mm/shmem.c, not in fs

Bỏ qua N byte đầu với tail -c +N

So c++11 && basically means reference to a temporary/anonymous variable