Tutorial by Examples: g

. .\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

In LR Classifier, he probabilities describing the possible outcomes of a single trial are modeled using a logistic function. It is implemented in the linear_model library from sklearn.linear_model import LogisticRegression The sklearn LR implementation can fit binary, One-vs- Rest, or multinomia...

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 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...

On initial startup of your app, the FCM SDK generates a registration token for the client app instance. If you want to target single devices or create device groups, you'll need to access this token by extending FirebaseInstanceIdService. The onTokenRefresh callback fires whenever a new token is g...

// 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]() /...

This example uses the gson library to map java objects to json strings. The (de)serializers are generic, but they don't always need to be ! Serializer Code public class GsonSerializer<T> implements Serializer<T> { private Gson gson = new GsonBuilder().create(); @Over...

import gzip import os outfilename = 'example.txt.gz' output = gzip.open(outfilename, 'wb') try: output.write('Contents of the example file go here.\n') finally: output.close() print outfilename, 'contains', os.stat(outfilename).st_size, 'bytes of compressed data' os.system('file...

A very common use-case in web applications is performing multiple asynchronous (eg. HTTP) requests and gathering their results as they arrive or all of them at once (eg. in Angular2 with the HTTP service). 1. Gathering async responses one by one as they arrive This is typically done with mergeMap(...

Make a simple Hello World Example using your django. let's make sure that you have django installed on your PC first. open a terminal and type: python -c "import django" -->if no error comes that means django is already installed. Now lets create a project in django. For that write ...

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...

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...

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

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; }); })