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Scoped enumerations: ... enum class Status; // Forward declaration Status doWork(); // Use the forward declaration ... enum class Status { Invalid, Success, Fail }; Status doWork() // Full declaration required for implementation { return Status::Success; } Unscoped enumerations:...

Detailed instructions on getting oauth-2.0 set up or installed.

For live demo click.. App index ts import {bootstrap} from '@angular/platform-browser-dynamic'; import {MyForm} from './my-form.component.ts'; bootstrap(MyForm); Custom validator import {Control} from @'angular/common'; export class CustomValidators { static emailFormat(control: Cont...

CALL "submodule" CALL "submodule" CANCEL "submodule" CALL "submodule" Any static data in the working set of submodule will be in an initial state on the last CALL statement above. The second CALL will have any initial values set as left overs from the...

COBOL can use static linkage for the following statement. GnuCOBOL uses dynamic linkage by default for all external symbols known at compile time, even when the symbol is a literal: CALL "subprogram" USING a b c *> run a (possibly static linked) sub program ...

NSURLSessionConfiguration *configuration = [NSURLSessionConfiguration defaultSessionConfiguration]; AFURLSessionManager *manager = [[AFURLSessionManager alloc] initWithSessionConfiguration:configuration]; NSURL *URL = [NSURL URLWithString:@"http://example.com/download.zip"]; NSURLReq...

This example will show how to make and use animation clips for game objects or players. Note, the models used in this example are downloaded from Unity Asset Store. The player was downloaded from the following link: https://www.assetstore.unity3d.com/en/#!/content/21874. To create animations, firs...

To be able to use vim commands in Python, the vim module should be imported. :python import vim After having this module imported, the user has access to the command function: :python vim.command("normal iText to insert") This command would execute i in normal mode then type Text t...

In order to make a RelativeSizeSpan align to the top, a custom class can be derived from the class SuperscriptSpan. In the following example, the derived class is named TopAlignSuperscriptSpan: activity_main.xml: <TextView android:id="@+id/txtView" android:layout_width=&quot...

To animate the transition between fragments, or to animate the process of showing or hiding a fragment you use the FragmentManager to create a FragmentTransaction. For a single FragmentTransaction, there are two different ways to perform animations: you can use a standard animation or you can suppl...

public class ViewAnimationUtils { public static void expand(final View v) { v.measure(LayoutParams.MATCH_PARENT, LayoutParams.WRAP_CONTENT); final int targtetHeight = v.getMeasuredHeight(); v.getLayoutParams().height = 0; v...

Add the following method to check whether an email address is valid or not: private boolean isValidEmailId(String email){ return Pattern.compile("^(([\\w-]+\\.)+[\\w-]+|([a-zA-Z]{1}|[\\w-]{2,}))@" + "((([0-1]?[0-9]{1,2}|25[0-5]|2[0-4][0-9])\\.([0-1]?" ...

Docstrings are - unlike regular comments - stored as an attribute of the function they document, meaning that you can access them programmatically. An example function def func(): """This is a function that does nothing at all""" return The docstring can ...

DP to Pixel: private int dpToPx(int dp) { return (int) (dp * Resources.getSystem().getDisplayMetrics().density); } Pixel to DP: private int pxToDp(int px) { return (int) (px / Resources.getSystem().getDisplayMetrics().density); }

Tags are typically applied via the editor; however, you can also apply tags via script. Any custom tag must be created via the Tags & Layers window before being applied to a game object. Setting Tags in the Editor With one or more game objects selected, you can select a tag from the inspecto...

The purpose of the classpath is to tell a JVM where to find classes and other resources. The meaning of the classpath and the search process are intertwined. The classpath is a form of search path which specifies a sequence of locations to look for resources. In a standard classpath, these places...

use Symfony\Component\EventDispatcher\EventDispatcher; use Symfony\Component\EventDispatcher\Event; use Symfony\Component\EventDispatcher\GenericEvent; // you may store this in a dependency injection container for use as a service $dispatcher = new EventDispatcher(); // you can attach liste...

By default stored procedures and functions or not generated by mysqldump, you will need to add the parameter --routines (or -R): mysqldump -u username -p -R db_name > dump.sql When using --routines the creation and change time stamps are not maintained, instead you should dump and reload the ...

#include <stddef.h> /* for offsetof() */ #include <stdlib.h> /* for exit() */ #include <stdio.h> /* for perror() */ #include <string.h> /* for strcmp() */ #include <unistd.h> /* for close(), unlink() */ #include <fcntl.h> /* for open() */ #incl...

In [1]: import pandas as pd In order to run a query in BigQuery you need to have your own BigQuery project. We can request some public sample data: In [2]: data = pd.read_gbq('''SELECT title, id, num_characters ...: FROM [publicdata:samples.wikipedia] ...: ...