Tutorial by Examples: re

public static async Task PostAsync(this Uri uri, object value) { var content = new ObjectContext(value.GetType(), value, new JsonMediaTypeFormatter()); using (var client = new HttpClient()) { return await client.PostAsync(uri, content); } } . . . var uri = new ...

public static async Task<TResult> GetAnsync<TResult>(this Uri uri) { using (var client = new HttpClient()) { var message = await client.GetAsync(uri); if (!message.IsSuccessStatusCode) throw new Exception(); return message.ReadAsAsyn...

results = News.objects.todays_news() for r in results: article = graph.merge_one("NewsArticle", "news_id", r) if 'LOCATION' in results[r].keys(): for loc in results[r]['LOCATION']: loc = graph.merge_one("Location", "name", loc)...

Nested list comprehensions, unlike list comprehensions with nested loops, are List comprehensions within a list comprehension. The initial expression can be any arbitrary expression, including another list comprehension. #List Comprehension with nested loop [x + y for x in [1, 2, 3] for y in [3, 4...

adb pull /sdcard/file.txt

var express = require("express"), bodyParser = require("body-parser"), server = express(); //body parser for parsing request body server.use(bodyParser.json()); server.use(bodyParser.urlencoded({ extended: true })); //temperary store for `item` in memory var it...

Sample JSON: { "id": "12345", "type": "android" } Define your request: public class GetDeviceRequest { @SerializedName("deviceId") private String mDeviceId; public GetDeviceRequest(String deviceId) { this....

Your app can't access your reminders and your calendar without permission. Instead, it must show an alert to user, requesting him/her to grant access to events for the app. To get started, import the EventKit framework: Swift import EventKit Objective-C #import <EventKit/EventKit.h> ...

Accessing the array of calendars To access the array of EKCalendars, we use the calendarsForEntityType method: Swift let calendarsArray = eventStore.calendarsForEntityType(EKEntityType.Event) as! [EKCalendar] Iterating through calendars Just use a simple for loop: Swift for calendar in cale...

In Ruby, there is always an implicit receiver for all method calls. The language keeps a reference to the current implicit receiver stored in the variable self. Certain language keywords like class and module will change what self points to. Understanding these behaviors is very helpful in mastering...

When you define a class or module, the implicit receiver becomes a reference to the class itself. For example: puts "I am #{self}" class Example puts "I am #{self}" end Executing the above code will print: "I am main" "I am Example"

$basic_post_args = array( 'post_title' => 'My Basic Post', 'post_content' => 'This is a basic content', 'post_status' => 'publish', 'post_author' => 1, 'post_category' => array(8, 59) ); wp_insert_post( $basic_post_args );

$basic_page_args = array( 'post_title' => 'My Basic Page', 'post_content' => 'This is a basic content', 'post_type' => 'page', 'post_status' => 'publish', 'post_author' => 1 ); wp_insert_post( $basic_page_args );

This returns the currently active spreadsheet, or null if there is none. var currentSheet = SpreadsheetApp.getActive(); var url = currentSheet.getUrl(); Logger.log( url );

Before reading and writing text files you should know what encoding to use. See the Perl Unicode Documentation for more details on encoding. Here we show the setting of UTF-8 as the default encoding and decoding for the function open. This is done by using the open pragma near the top of your code (...

Modern browsers provide a classList object to ease manipulation of the element's class attribute. Older browsers require direct manipulation of the element's className property. * Note class names are not stored in the element's property in any particular order W3C DOM4 Removing one class from an...

You may want to re-seed your database without affecting your previously created seeds. For this purpose, you can use firstOrCreate in your seeder: EmployeeType::firstOrCreate([ 'type' => 'manager', ]); Then you can seed the database: php artisan db:seed Later, if you want to add a...

To automatically reload vimrc upon save, add the following to your vimrc: if has('autocmd') " ignore this section if your vim does not support autocommands augroup reload_vimrc autocmd! autocmd! BufWritePost $MYVIMRC,$MYGVIMRC nested source % augroup END endif a...

Method 1: proc sql; create table foo like sashelp.class; quit; Method 2: proc sql; create table bar as select * from sashelp.class (obs=0); quit; Method 1 should be the preferred option

The registration step registers the app with the device's system and returns a registration id import { Push, RegistrationEventResponse} from "ionic-native"; //the push element is created in the initialization example push.on("registration", async (response:...