Apache Cassandra™ 10 Documentation February 16, 2012validation_class: LongType} ] AND compression_options={sstable_compression:SnappyCompressor, chunk_length_kb:64}; About Indexes in Cassandra An index is a data structure that allows for fast, efficient compression classes using the org.apache.cassandra.io.compress.ICompressor interface. chunk_length_kb Sets the compression chunk size in kilobytes. The default value (64) is a good middle-ground for compressing the overhead of decompressing more data than is needed to access a requested row.The compression chunk size can be adjusted to account for read/write access patterns (how much data is typically requested0 码力 | 141 页 | 2.52 MB | 1 年前3
Django CMS 3.11.10 Documentationdjango CMS requires you to set the LANGUAGES [https://docs.djangoproject.com/en/4.2/ref/settings/#std-setting-LANGUAGES] setting. This should list all the languages you want your project to serve, and and must include the language in LANGUAGE_CODE [https://docs.djangoproject.com/en/4.2/ref/settings/#std-setting-LANGUAGE_CODE]. For example: "django.contrib.sites", "cms", "menus", "treebeard", "djangocms_admin_style" by default in a new Django project’s DATABASES [https://docs.djangoproject.com/en/4.2/ref/settings/#std-setting-DATABASES]. Note For deployment, you’ll need to use a production-ready database with Django0 码力 | 493 页 | 1.44 MB | 6 月前0.03
Ubuntu Desktop Training 2009adaptive junk mail detection check box and click OK • Customise your mail. You have three column views to access you e-mail messages: Classic, Wide and Vertical view. Figure 3.38. Customising the E-mail the partition with data in the form of files and folders (furniture). So, a partition is a logical chunk of space allocated out of the entire disk. Depending on how a system is con- figured at installation0 码力 | 428 页 | 57.45 MB | 1 年前3
Application of C++ in Computational Cancer Modeling
event Mutation event Random Time ~ Exp mutation rate growth rate #includestd::mt19937_64 rnd_generator; std::exponential_distribution<> exp{rate}; double time = exp(rnd_generator); 𝑢12 𝜆1A evolutionA single step of evolution 10 double TumorGenerator::lifespan(const Eigen::ArrayXXd& weights); std::pair TumorGenerator::increment_type(const Eigen::ArrayXXd& weights); void TumorGenerator::evolve_step() 0Sample a position in a matrix randomly 12 std::pair TumorGenerator::increment_type(const Eigen::ArrayXXd &weights) { int ntype = weights.rows(); std::discrete_distribution<> d(weights.reshaped() 0 码力 | 47 页 | 1.14 MB | 6 月前0.03
CppCon2021 Concurrency TS2 was in Concurrency TS1? • Improvements to std::future • Latches and Barriers • Atomic smart pointers 5 © 2021. 6 Since Concurrency TS1? • Improvements to std::future: some adapted into C++ 17 • Latches com/cplusplus/concurrency-ts2 Become an IS ● Will it still look like the TS? 14 © 2021. 15 Future C++ Std new clause 33 ● 33: Concurrency Utilities Library ○ 33.1 General Concepts ■ 33.1.1 Thread Support ■ read_and_use(const std::atomic& src, Func fn) { // Called frequently hazard_pointer h = make_hazard_pointer(); Foo* ptr = h.protect(src); fn(ptr); // ptr is protected } void update(std::atomic & 0 码力 | 58 页 | 1.62 MB | 6 月前0.03
DBeaver Lite User Guide v24.2.eaEditors The DBeaver window contains a menu bar, a toolbar, a workspace with one or more editors and views, and a status bar: By default, the menu bar contains the following menus: Application window overview menu includes items to manage the look of DBeaver window: show/hide and minimize/maximize Window views and editors, display bars, split editors, and manage other preferences. The menu contains links workspace zone. Shortcut bars host shortcuts of views and editors and appear if at least one view or editor is minimized, otherwise, they are hidden. Views are windows within the workspace that provide0 码力 | 1010 页 | 79.48 MB | 1 年前3
DBeaver Ultimate User Guide v24.2.eaEditors The DBeaver window contains a menu bar, a toolbar, a workspace with one or more editors and views, and a status bar: By default, the menu bar contains the following menus: Application window overview menu includes items to manage the look of DBeaver window: show/hide and minimize/maximize Window views and editors, display bars, split editors, and manage other preferences. The menu contains links workspace zone. Shortcut bars host shortcuts of views and editors and appear if at least one view or editor is minimized, otherwise, they are hidden. Views are windows within the workspace that provide0 码力 | 1171 页 | 94.65 MB | 1 年前3
DBeaver User Guide v24.2.eaEditors The DBeaver window contains a menu bar, a toolbar, a workspace with one or more editors and views, and a status bar: By default, the menu bar contains the following menus: Application window overview menu includes items to manage the look of DBeaver window: show/hide and minimize/maximize Window views and editors, display bars, split editors, and manage other preferences. The menu contains links workspace zone. Shortcut bars host shortcuts of views and editors and appear if at least one view or editor is minimized, otherwise, they are hidden. Views are windows within the workspace that provide0 码力 | 1171 页 | 94.79 MB | 1 年前3
共 8 条
- 1













