ARROW FUNCTIONS 向Mocha传递箭头函数是不好的，由于this的词法作用域的问题，箭头函数是不能够访问mocha的上下文的。例如，由于箭头函数本身的机制，下面的代码会失败。 describe ( 'my suite' , () => { it ( 'my test' , () => { //...

ST_X ST_Y ST_CIRCLE ST_DISTANCE_SPHERE ST_ANGLE ST_AZIMUTH ST_ANGLE_SPHERE ST_AREA ST_POINT ST_POLYGON,ST_POLYFROMTEXT,ST_POLYGONFROMTEXT ST_ASTEXT,ST_ASWKT ST_CONTAINS ...

CONV BIN SIN COS TAN ASIN ACOS ATAN E PI EXP LOG LOG2 LOG10 LN CEIL FLOOR PMOD ROUND ROUND_BANKERS TRUNCATE ABS SQRT CBRT POW DEGREES RADIANS SIGN POSIT...

Sketch Functions Sketch Functions Sketches are data structures that can approximately answer particular questions about a dataset when full accuracy is not required. The benefit...

HyperLogLog Functions Data Structures Serialization Functions HyperLogLog Functions Presto implements the approx_distinct() function using the HyperLogLog data structure. ...

Geospatial Functions Constructors Relationship Tests Operations Accessors Aggregations Bing Tiles Geospatial Functions Presto Geospatial functions that begin with the ST_ ...

Functions and Operators Functions and Operators Logical Operators Comparison Functions and Operators Conditional Expressions Lambda Expressions Conversion Functions Mathem...

Overridable functions Overridable functions Godot’s Node class provides virtual functions you can override to update nodes every frame or on specific events, like when they ente...

Hive Functions Use Hive Built-in Functions via HiveModule Use Native Hive Aggregate Functions Hive User Defined Functions Using Hive User Defined Functions Hive Functions U...

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