How to Create a Game with Phaser 3# How to Create a Game with Phaser 3 By Pablo Farias Navarro Software Developer and Course Designer Table of Contents Introduction Learn by making your first game Tutorial requirements Development your local drive. If they did, the web would be a very dangerous place! If you double click on the index.html file of a Phaser game, you'll see that your browser prevents the game from loading the assets you can find a great starting point here, which uses Webpack and Babel. In our project folder, create a index.html file with the following contents:Learn Game Development 0 码力 | 21 页 | 968.45 KB | 1 年前3
PostgreSQL 9.5 DocumentationReplication Functions ..... 343 9.26.7. Database Object Management Functions ..... 347 9.26.8. Index Maintenance Functions ..... 350 9.26.9. Generic File Access Functions ..... 350 9.26.10. Advisory and Related Constructs ..... 368 11. Indexes ..... 371 11.1. Introduction ..... 371 11.2. Index Types ..... 372 11.3. Multicolumn Indexes ..... 374 11.4. Indexes and ORDER BY ..... 375 11 Classes and Operator Families ..... 381 11.10. Indexes and Collations ..... 382 11.11. Examining Index Usage ..... 383 12. Full Text Search ..... 385 12.1. Introduction ..... 385 12.1.1. What Is a0 码力 | 2714 页 | 6.33 MB | 2 年前3
Brin Index主Greenplum 7中的理论与实现 ## Brin Index在 Greenplum 7中的理论与实现 --《Greenplum 7 新版本大剧透》系列直播 讲师:陈金豹,Greenplum内核研发 活动时间:2021年4月28日 20:00 - 21:00 #### .greenplum.org ## Brin Index 在Greenplum 7中的理论与实践 陈金豹, VMWare内核工程师 ## 目录 Brin Index On Heap AppendOnly Table Brin在AppendOnly Table上的实现 性能测试 ## Block Range Index 存储数据块中元组字段的最大最小值,用于过滤不符合条件的数据块 Brin Selection: 1-((B-1)/B)^(N*a) = 1-0.000045 ## ◀ ◀ ◀ ◀ ## Brin的使用场景 表非常大 数据有一定的分布特性 我们不想再index上付出太多存储空间 ## Brin Scan select * from t where a > 1 and a < 8; |1, 3, 2, 5|7, 8, 8, 10|9, 110 码力 | 32 页 | 1.04 MB | 2 年前3
firebird generator guide ruцелочисленном счетчике, который расположен внутри базы данных Firebird. Вы можете создать его, задав имя: CREATE GENERATOR GenTest; Затем вы можете получать его текущее значение, увеличивать его или уменьшать наоборот. Вот предпочтительный синтаксис для создания генератора/последовательности в СУБД Firebird 2: CREATE SEQUENCE SeqTest; #### 2.3. Где хранятся генераторы? Декларации генераторов хранятся в системной |SQL$DEFAULT|2|1| |RDB$PROCEDURES|3|1| |RDB$EXCEPTION|4|1| |RDB$CONSTRAINT\_NAME|5|1| |RDB$FIELD\_NAME|6|1| |RDB$INDEX\_NAME|7|1| |RDB$TRIGGER\_NAME|8|1| |MY\_OWN\_GENERATOR|9|NULL| Примечание для СУБД Firebird 2 ![0 码力 | 23 页 | 227.10 KB | 2 年前3
PostgreSQL 9.4.26 Documentation
and Related Constructs ..... 326 11. Indexes ..... 328 11.1. Introduction ..... 328 11.2. Index Types ..... 329 11.3. Multicolumn Indexes ..... 331 11.4. Indexes and ORDER BY ..... 332 11 Classes and Operator Families ..... 337 11.10. Indexes and Collations ..... 338 11.11. Examining Index Usage ..... 339 12. Full Text Search ..... 341 12.1. Introduction ..... 341 12.1.1. What Is 369 12.8.2. Parser Testing ..... 371 12.8.3. Dictionary Testing ..... 372 12.9. GiST and GIN Index Types ..... 373 12.10. psql Support ..... 374 12.11. Limitations ..... 377 12.12. Migration from0 码力 | 2452 页 | 5.99 MB | 2 年前3
百度智能云 Apache Doris 文档ecimal $$ 10,0 $$ 。 precision: 1 ~ 27 scale: 0 ~ 9 举例: ### 1. 默认取值是decimal(10, 0) mysql> CREATE TABLE testTable1 (k1 bigint, k2 varchar(100), v decimal SUM) DISTRIBUTED BY RANDOM BUCKETS 8; Query decimal(10, 0)|\| Yes|\| false|\| N/A|\| SUM|\|| 3 rows in set (0.01 sec) ### 2. 显式指定 decimal 的取值范围 CREATE TABLE testTable2 (k1 bigint, k2 varchar(100), v decimal(8,5) SUM) DISTRIBUTED BY RANDOM BUCKETS 8; 库。 mysql> help create database; Name: 'CREATE DATABASE' Description: 该语句用于新建数据库(database) 语法: CREATE DATABASE [IF NOT EXISTS] db_name; Examples: 1. 新建数据库 db_test CREATE DATABASE db_test;0 码力 | 203 页 | 1.75 MB | 2 年前3
PostGIS 3.6 en dev ManualIndexes 52 4.9.1 GiST Indexes 53 4.9.2 BRIN Indexes 53 4.9.3 SP-GiST Indexes 55 4.9.4 Tuning Index Usage 56 5 Spatial Queries 57 5.1 Determining Spatial Relationships 57 5.1.1 Dimensionally Extended PostgreSQL releases, X3D support, TIGER geocoder support, management functions. Darafei Praliaskouski Index improvements, bug fixing and geometry/geography function improvements, SFCGAL, raster, GitHub curation project. General bug fixing, geography support, geography and geometry index support (2D, 3D, nD index and anything spatial index), underlying geometry internal structures, GEOS functionality integration0 码力 | 941 页 | 5.34 MB | 5 月前3
Firebird Generator Guide: A guide on how and when to use generators in Firebirdvalue (“Update”) ..... 9 3.2.5. Dropping a generator (“Delete”) ..... 10 4. Using generators to create unique row IDs ..... 12 4.1. Why row IDs at all? ..... 12 4.2. One for all or one for each? as a “thread-safe” integer counter that lives inside a Firebird database. You can create one by giving it a name: CREATE GENERATOR GenTest; Then you can get its current value and increase or decrease it database object. You can create a generator and access it using the sequence syntax, and vice versa. This is the preferred syntax for creating a generator/sequence in Firebird 2: CREATE SEQUENCE SeqTest;0 码力 | 20 页 | 169.00 KB | 2 年前3
Materialize MySQL Database engine in ClickHouseMaterializeMySQL Database Engine • Custom HTTP Handler • MySQL Database Engine • BloomFilter Skipping Index • Query Predicate Optimizer • And more ~ 400+ commit ; // create table. auto out = std::make_shared(getTableOutput(database_name, table_name tryToExecuteQuery(query_prefix + " " + iterator->second, query_context, database_name, comment); // create table. auto out = std::make_shared (getTableOutput(database_name, table_name 0 码力 | 35 页 | 226.98 KB | 2 年前3
SQLite Statementstheir CRUD function on the table or database - Create, Read, Update, or Delete.CREATE CREATE a database sqlite3 <database_name> colspan="3">CREATE a table CREATE TABLE <table_name>( <column_name_1> <data_type_1>, <column_name_2> <data_type_2>, ...); Create a table with with thespecified name containingcolumn names of thespecified data types. CREATE TABLE pets ( _id INTEGER, name TEXT, breed TEXT, gender INTEGER, weight INTEGER); 0 码力 | 5 页 | 105.07 KB | 2 年前3
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Phaser 3游戏开发场景生命周期碰撞检测相机效果PostgreSQLBRIN indexesGiST indexesrow-level securityCREATE INDEX CONCURRENTLYBrin IndexAppendOnly TableHeap性能测试优势和劣势генераторыпоследовательностиCREATE GENERATORSEQUENCENUMERIC(18)PostgreSQL 9.4.26release notesbug fixeslogical decodingCONCURRENTLY optionRoutine LoadCREATE TABLEBACKUPREPOSITORYLOADPostGISPostGIS ExtensionGeometrySpatial IndexgeneratorsequenceCREATE SEQUENCERDB$GENERATORSGEN_IDMaterializeMySQL Database EngineClickHouseMySQLBloomFilter Skipping IndexQuery Predicate OptimizerCREATESQLiteWHEREORDER BYPRIMARY KEYDEFAULTNOT NULLAUTOINCREMENTINSERTUPDATEDELETEDROP TABLE













