Tutorial by Examples: er

Configuration and initialization First, create a maven project and add the following dependency in your pom: <dependencies> <dependency> <groupId>org.apache.kafka</groupId> <artifactId>kafka-clients</artifactId> <version&...

NameStorage SizeDescriptionRangesmallint2 bytessmall-range integer-32768 to +32767integer4 bytesypical choice for integer-2147483648 to +2147483647bigint8 byteslarge-range integer-9223372036854775808 to +9223372036854775807decimalvariableuser-specified precision, exactup to 131072 digits before the...

NameDescriptioncharacter varying(n), varchar(n)variable-length with limitcharacter(n), char(n)fixed-length, blank paddedtextvariable unlimited length

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); ...

Returns the expression as an array. @(Get-ChildItem $env:windir\System32\ntdll.dll) Will return an array with one item @(Get-ChildItem $env:windir\System32) Will return an array with all the items in the folder (which is not a change of behavior from the inner expression.

$command = 'Get-ChildItem' & $Command Will execute Get-ChildItem

. .\myScript.ps1 runs .\myScript.ps1 in the current scope making any functions, and variable available in the current scope.

Format: cd/ cd/ is set to change the current directory back to the root of the current drive

Hello friends before start code we have need to declare dependency for access firebase ui component, so here is the dependency which you can put it in your gradel other wise you can add dependency as jar also. compile 'com.firebaseui:firebase-ui-database:0.4.0' Then after we are querying in fire...

[HttpPost] [Route("api/Fitbit/Activity/Stats")] public async Task<HttpResponseMessage> ActivityStats(FitbitRequestDTO request) { if (string.IsNullOrEmpty(request.PatientId) || string.IsNullOrEmpty(request.DeviceId)) ret...

public async Task<HttpResponseMessage> ActivityStats(FitbitRequestDTO request) { try { var tokenErrorResponse = await EnsureToken(request); if (tokenErrorResponse != null) return tokenErrorRespons...

New Java programmers often forget, or fail to fully comprehend, that the Java String class is immutable. This leads to problems like the one in the following example: public class Shout { public static void main(String[] args) { for (String s : args) { s.toUpperCase(); ...

This tool lets you produce messages from the command-line. Send simple string messages to a topic: kafka-console-producer --broker-list localhost:9092 --topic test here is a message here is another message ^D (each new line is a new message, type ctrl+D or ctrl+C to stop) Send messages with...

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...