Tutorial by Examples

Download visual studio code from here Visual studio code. Select your target installer[mac|windows|linux]. Go to downloaded file in your local. Below steps in volved for installing Installation finished successfully.

After installing Visual studio code configure .net core and C#. Configure C# based on market-place. Reference Url: C# market place .net core Launch Visual studio code. Press [ctrl + P] paste "ext install csharp" this and hit. Once done above steps , C# extension available i...

Create your new project folder and open in windows-command prompt with the location of project folder. Type "dotnet new -t web" and hit. This is for creating new mvc template. Once complete. GO to the project location and see basic mvc project has been created. The...

Open the project folder in VScode. Sample here i am setting break point in home controller. Now click the debug option. add debug configuration like below. Make sure .Net core Launch(web) is selected. You can see break point will hit , once you start debugging by press run icon. Then gi...

In our AppServiceProvider.php public function boot() { HasMany::macro('toHasOne', function() { return new HasOne( $this->query, $this->parent, $this->foreignKey, $this->localKey ); }); } Suppose we have shop modal and ...

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 ...

In Progress 4GL the normal way to write a special character is to preceed it with a tilde character (~). These are the default special characters SequenceInterpreted asComment~""Used to write " inside strings defined using "string".~''Used to write ' inside strings defined...

It's very simple to pass temp-tables in and out of programs, procedures and functions. This can be handy if you want a procedure to process a bigger number of data than you can easily store in a string or similar. You can pass temp-tables as INPUT, OUTPUT and INPUT-OUTPUT data. Inputting one temp-...

class SomeSerializer < ActiveModel::Serializer attribute :title, key: :name attributes :body end

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...

function cryptPassword(password, callback) { bcrypt.genSalt(SALT_WORK_FACTOR, function(err, salt) { if (err) return callback(err); bcrypt.hash(password, salt, null, function(err, hash) { return callback(err, hash); }); }); } User.beforeCreate((user, options, ...

User.beforeCreate(function(user, options) { return hashPassword(user.password).then(function (hashedPw) { user.password = hashedPw; }); })

To run ARM assembly code you will need a machine with an ARM processor. If you are on Linux you can use the following commands to compile your program: as -o prog_object.o my_prog_source.s Link to get the executable: ld -o run_prog prog_object.o Run using: ./run_prog If you run echo $? it wil...

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 ...

As explained in the docs, With Flink’s checkpointing enabled, the Flink Kafka Consumer will consume records from a topic and periodically checkpoint all its Kafka offsets, together with the state of other operations, in a consistent manner. In case of a job failure, Flink will restore the streami...

SimpleStringSchema: SimpleStringSchema deserializes the message as a string. In case your messages have keys, the latter will be ignored. new FlinkKafkaConsumer09<>(kafkaInputTopic, new SimpleStringSchema(), prop); JSONDeserializationSchema JSONDeserializationSchema deserializes json-form...

In kafka, each consumer from the same consumer group gets assigned one or more partitions. Note that it is not possible for two consumers to consume from the same partition. The number of flink consumers depends on the flink parallelism (defaults to 1). There are three possible cases: kafka pa...

To use a custom schema, all you need to do is implement one of the SerializationSchema or DeserializationSchema interface. public class MyMessageSchema implements DeserializationSchema<MyMessage>, SerializationSchema<MyMessage> { @Override public MyMessage deserialize(byte[]...