The Guru Myth The Guru Myth Anyone who has worked in software long enough has heard questions like this: I’m getting exception XYZ. Do you know what the problem is? Those ...

Dimension lookup/update Description Options Functionality Lookup Update Options Metadata Injection Support Dimension lookup/update Description The Dimension Lookup/Updat...

预留关键字 预留关键字 下表列出了openLooKeng中预留的所有关键字，以及它们在SQL标准中的状态。这些预留的关键字必须加引号（使用双引号），以便用作标识符。 关键字 SQL:2016 SQL-92 ALTER 预留 预留 AND 预留 预留 AS 预留 预留 BETWEEN 预留 预留 BY 预留 预留 CASE 预留 预留 C...

Simplicity Comes from Reduction Simplicity Comes from Reduction “Do it again…,” my boss told me as his finger pressed hard on the delete key. I watched the computer screen with...

Actions Actions 下面的表格列了 Spark 支持的一些常用 actions。详细内容请参阅 RDD API 文档(Scala , Java , Python ) 和 PairRDDFunctions 文档(Scala , Java )。 Action Meaning reduce(func) Aggregate ...

Checkstyle Naming and Clear Semantics Class, Method and Variable Naming Method and Variable Naming Consistency Standard word meanings in method or property names Semantic Disti...

ClickHouse obfuscator ClickHouse obfuscator A simple tool for table data obfuscation. It reads an input table and produces an output table, that retains some properties of inp...

Other methods update_or_insert validate_and_insert , validate_and_update smart_query (experimental) Other methods update_or_insert Some times you need to perform an in...

Part 18 – Debugging ADDS Part 18 – Debugging ADDS For a complete table of contents of all the lessons please click below as it will give you a brief of each lesson in addition ...

Physically Based Lighting Lights in the Real World Photometric Units Color Temperature Size Physically Based Lighting The light parameters are described in Cocos Creator usi...