Tutorial by Examples: me

NameStorage SizeDescriptionRepresentationpoint16 bytesPoint on a plane(x,y)line32 bytesInfinite line{A,B,C}lseg32 bytesFinite line segment((x1,y1),(x2,y2))box32 bytesRectangular box((x1,y1),(x2,y2))path16+16n bytesClosed path (similar to polygon)((x1,y1),...)path16+16n bytesOpen path[(x1,y1),...]pol...

If you need to extract information from a text response, the easiest way is to use Regular Expressions. The matching pattern is very similar to the one used in Perl. Let’s assume we want to test a flight ticket purchase workflow. The first step is to submit the purchase operation. The next step is t...

XPath can be used to navigate through elements and attributes in an XML document. It could be useful when data from the response cannot be extracted using the Regular Expression Extractor. For example, in the case of a scenario where you need to extract data from similar tags with the same attribute...

The CSS/JQuery extractor enables extracting values from a server response by using a CSS/JQuery selector syntax, which might have otherwise been difficult to write using Regular Expression. As a post-processor, this element should be executed to extract the requested nodes, text or attribute values...

When you manually write your performance scripts, you need to deal with correlation yourself. But there is another option to create your scripts - automation scripts recording. On the one hand, the manual approach helps your write structured scripts and you can add all the required extractors at the...

This uses the Dropbox Java SDK to share a file at "/test.txt" with a specific user: List<MemberSelector> newMembers = new ArrayList<MemberSelector>(); MemberSelector newMember = MemberSelector.email("<EMAIL_ADDRESS_TO_INVITE>"); newMembers.add(newMember); ...

An XSD that describe a contact information about a company is given below. <?xml version="1.0" encoding="UTF-8"?> <xs:schema targetNamespace="http://NamespaceTest.com/CommonTypes" xmlns:xs="http://www.w3.org/2001/XMLSchema" ...

//check if there is actually a file being uploaded if (FileUpload1.HasFile) { //load the uploaded file into the memorystream using (MemoryStream stream = new MemoryStream(FileUpload1.FileBytes)) using (ExcelPackage excelPackage = new ExcelPackage(stream)) { //loop all ...

public static DataTable ExcelPackageToDataTable(ExcelPackage excelPackage) { DataTable dt = new DataTable(); ExcelWorksheet worksheet = excelPackage.Workbook.Worksheets[1]; //check if the worksheet is completely empty if (worksheet.Dimension == null) { return dt;...

This tool let's you consume messages from a topic. to use the old consumer implementation, replace --bootstrap-server with --zookeeper. Display simple messages: kafka-console-consumer --bootstrap-server localhost:9092 --topic test Consume old messages: In order to see older messages, you...

This consumer is a low-level tool which allows you to consume messages from specific partitions, offsets and replicas. Useful parameters: parition: the specific partition to consume from (default to all) offset: the beginning offset. Use -2 to consume messages from the beginning, -1 to consume ...

This tool allows you to list, describe, or delete consumer groups. Have a look at this article for more information about consumer groups. if you still use the old consumer implementation, replace --bootstrap-server with --zookeeper. List consumer groups: kafka-consumer-groups --bootstrap-s...

// PHYSICS CONSTANTS struct PhysicsCategory { static let None : UInt32 = 0 static let All : UInt32 = UInt32.max static let player : UInt32 = 0b1 // 1 static let bullet : UInt32 = 0b10 // 2 } var nodesToRemove = [SKNode]() /...

In Unit Test layer we usually test the Business Layer functionalities. And in order to do this, we will remove the Data Layer (Entity Framework) dependencies. And the question now is: How can I remove the Entity Framework dependencies in order to unit test the Business Layer functions? And the ans...

The MSDN library contains several different types of documentation which can be used for implementing features. Topic Overviews These are broad overviews of topics intended to provide a general understanding of an API. These overviews also often outline best practices, and implementation strategi...

Finding documentation for a feature is often as simple as a search using a good search engine. If that fails, or if unsure about specific terms, the Windows API Index can help locate specific features. Documentation for methods, interfaces, enumerations and constants can usually be found by searchin...

The documentation for a function is broken down into several sections: Overview Describes what the function is used for. This section will also show information about whether the function is depreciated, or may be unavailable in future versions. Syntax Shows the declaration of the function from ...

A Mercator projection is one of the most recognizable projections used in maps. Like all map projections it has distortion and for a Mercator, projection this is most noticeable in the polar regions. It is a cylindrical projection, meridians run vertically and latitudes run horizontally. Scale depe...

FlinkKafkaConsumer let's you consume data from one or more kafka topics. versions The consumer to use depends on your kafka distribution. FlinkKafkaConsumer08: uses the old SimpleConsumer API of Kafka. Offsets are handled by Flink and committed to zookeeper. FlinkKafkaConsumer09: uses the new ...

/** * requestdata - the data packet expected to be passed in by external system * JSON - data format exchange * stringify() convert javascript object into a string with JSON.stringify() * nlobjError - add in catch block to log exceptions */ function GetCustomerData(requestdata) { ...