be/WX3OmVu4lAs) • time_zone and time_zone_link (https://youtu.be/MODhhr7m-5s) • system_clock::now(), file_clock, leap second awareness (https://youtu.be/c7DT28TV0AY)9 Part II: Calendrical Types10 Calendrical ([time.clock]) Existing clocks (pre-C++20) • system_clock • (file_clock) New clocks (in C++20) • utc_clock • tai_clock • gps_clock • (file_clock)21 C++20’s chrono adds several new clocks ([time.clock]) clock]) Existing clocks (pre-C++20) • system_clock • (file_clock) New clocks (in C++20) • utc_clock • tai_clock • gps_clock • (file_clock)22 Why have all these different clocks? Clock Epoch General

of module imports is not important8 Modules  Create a module: // cppcon.cppm – Module Interface File export module cppcon; // Module declaration namespace CppCon { auto GetWelcomeHelper() { return since 00:00:00, 6 January 1980 UTC, it does not include leap seconds  file_clock: alias for the clock used for std::filesystem::file_time_type, epoch is unspecified63 Calendars & Timezones  New type 2020"); // ====CppCon 2020==== cout << format("Read {0} bytes from {1}", n, "file1.txt"); cout << format(" 从 {1} 中读取 {0} 个字节。 ", n, "file1.txt"); “C++20 String Formatting Library: An Overview and Use with Custom

Build Debug Edit Find in Files 1.8x faster 1 2 0 5 10 15 20 25 30 35 40 45 50 47 27 Series1 Open C++ File 2.4x faster 1 2 0 0.5 1 1.5 2 2.5 2.02 0.82 Series1 IntelliSense Ready* 1.9x faster *) Colorization Visual Studio Developer inner-loop Build Debug Edit Find in Files 1.8x faster Open C++ File 2.4x faster IntelliSense Ready* 1.9x faster *) Colorization + Member List Open Member List 29% At CppCon last year Developer inner-loop Build Debug Edit Find in Files 1.8x faster Open C++ File 2.4x faster IntelliSense Ready* 1.9x faster *) Colorization + Member List Open Member List 29%

Isolation Challenges • Noisy neighbor −Impact performance on CPU, Memory, Bandwidth, Buffer IO, PIDs, File descriptors # kubectl run --rm -it bb --image=busybox sh / # f(){ f|f& };f # WARNING: Agent gVisor Guest Kernel O C I Gofer container container Pod Sandbox Sentry KVM/ptrace File Access OCI Implementation Limited Syscall H O S T K E R N E L Comparison Solution Typical vm-memory acpi linux-loader kvm-ioctls vm-virtio vsock net VFIO APIC vhost Cloud Hypervisor KVM File System Device Driver Host Linux Kernel vCPU block Memory Guest VM containerd + Kata-runtime create

里指定的路径都是相对路径 ，所以这里指定 src 实际上是：根 /biology/src 。 复习： GLOB 和 GLOB_RECRUSE 的区别 • file (GLOB myvar CONFIGURE_DEPENDS src/*.cpp) • file (GLOB_RECURSE myvar CONFIGURE_DEPENDS src/*.cpp) • 疑问 1 ：都是按照通配符批量匹配文件，有什么区别？ CONFIG REQUIRED) 避免被 CMake 自带的 Find 文件误导找到别的地方（而非 vcpkg 安装的那个）的库。 • 另外注意 vcpkg 需要的 CMAKE_TOOLCHAIN_FILE 如果你用 set 设置，必须在 project 命令前面，并且修改这个变量后要删除 build 目录重新 cmake -B build 一遍才能 生效（否则会在旧的环境里找，找不到 vcpkg

○ Not suitable for multi-column primary key Our Solution: PTS Key Features ● Only one config file needed for a new Clickhouse table ● Init and keep syncing data in one app for a table ● Sync multiple because of SQL length (Put ids in a Memory Engine temp table) Final Product ● Only one config file needed for a new Clickhouse table ● Init and keep syncing data in one app for a table ● Sync multiple

operator – управление кластером как ОДНИМ РЕСУРСОМ ClickHouse Operator ClickHouseInstallation YAML file Лицензия: Apache 2.0, Распространяется как Docker image ClickHouse cluster resources kubectl Operator = deployment + monitoring + operation ClickHouse Operator ClickHouseInstallation YAML file ClickHouse cluster resources Kubernetes API zz zz Monitoring Healthchecks План работ ● Наследование

x86_64, … cargo build —target wasm- unknown-unknown waPC Host (Go) waPC Guest Rust • Read wasm file • Select engine • Wazero • Wasmer-go • Wasmertime-go • Define hostcall capability • Instantiate send to wasm mock server • Let Wasm Mock Server send http request • 升级平台能解决不一致的问题 • Each rust file can be compiled into wasm separately • Won’t exhaust memory • A test suite panic will not implicate

https://github.com/Esri/arcgis-runtime-toolkit-qt • How: - Clone the repository and import the path in .pro file in Qt Creator - Register your components in main.cppArcGIS Runtime Toolkit for Qt • Time slider

components SQL Database Key/Value Storage Persistence components Local or Remote Storage (block, file, object) Users (GUI/API) Container Schedulers/Runtimes Consumers LDAP/Active Directory Supporting