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A process with a sensitivity list cannot also contain wait statements. It is equivalent to the same process, without a sensitivity list and with one more last statement which is: wait on <sensitivity_list>; Example: process(clock, reset) begin if reset = '1' then q &l...
AWS Codecommit can be used as storage for private GIT repositories. The setup involves a few steps, assuming you have a valid AWS account already. Sign up for AWS Codecommit. Currently only region us-east-1 is available. Create a IAM user who will have access to the repositories, eg codecommit-u...
DECLARE -- declare a variable message varchar2(20); BEGIN -- assign value to variable message := 'HELLO WORLD'; -- print message to screen DBMS_OUTPUT.PUT_LINE(message); END; /
public static final int PLACE_AUTOCOMPLETE_FROM_PLACE_REQUEST_CODE=1; public static final int PLACE_AUTOCOMPLETE_TO_PLACE_REQUEST_CODE=2; fromPlaceEdit.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { ...
Nightwatch supports creating custom commands that can simulating keystrokes, mouse clicks, and other inputs. A custom command can be chained with other Nightwatch commands, like so: module.exports = { "Login App" : function (client) { client .url("http://localhost:300...
What and Why ? Asp.Net’s Web API2 is the latest version of Web API. It is an easy way to implement a RESTful web service using all of the goodness that the Asp.Net framework provides. Once you understand the basic principles of REST, then a Asp.net Web API2 will be very easy to implement. Web API2...
In [1]: import pandas as pd In [2]: df = pd.DataFrame(columns = ['A', 'B', 'C']) In [3]: df Out[3]: Empty DataFrame Columns: [A, B, C] Index: [] Appending a row by a single column value: In [4]: df.loc[0, 'A'] = 1 In [5]: df Out[5]: A B C 0 1 NaN NaN Appending a ...
Enable validation using annotations in app/config/config.yml file framework: validation: { enable_annotations: true } Create an Entity in AppBundle/Entity directory. The validations are made with @Assert annotations. <?php # AppBundle/Entity/Car.php namespace AppBundle\Ent...
This example shows how to retrieve an ID of a newly created item using SharePoint REST API. Note : listName - This variable contains name of you list. newItemBody - This will be your request body for adding new item in list. e.g. var newItemBody = { __metadata: { 'type': 'SP.Data.MyListNameIte...
A normal let form binds each value to its corresponding identifier, before executing the body. With a "named let", the body can then recursively be re-executed, passing a new value for each identifier. #lang racket (let sum-of-list ([l '(1 2 3)]) (if (null? l) 0 (+ (car ...
A Sample class diagram based on which we will see JPA implementation. @Entity @Table(name = "VEHICLE") @Inheritance(strategy = InheritanceType.JOINED) @DiscriminatorColumn(name = "VEHICLE_TYPE") public abstract class Vehicle { @TableGenerator(name = "VEHICLE_GE...
Consider a one to one bidirectional relationship between employee and desk. Employee.java @Entity public class Employee { @TableGenerator(name = "employee_gen", table = "id_gen", pkColumnName = "gen_name", valueColumnName = "gen_val", allocationSize...
Show all available databases: show dbs; Select a particular database to access, e.g. mydb. This will create mydb if it does not already exist: use mydb; Show all collections in the database (be sure to select one first, see above): show collections; Show all functions that can be used w...
r.connect({host: 'localhost', port: 28015}) .then((conn) => { return r.dbCreate("stackoverflow").run(conn); }).then((result) => { console.log(result); });
r.connect({host: 'localhost', port: 28015}) .then((conn) => { return r.db("stackoverflow").tableCreate("examples").run(conn); }).then((result) => { console.log(result); });
Here is our function to create a simple ajax call written in vanilla javascript (not es2015): function ajax(url, callback) { var xhr; if(typeof XMLHttpRequest !== 'undefined') xhr = new XMLHttpRequest(); else { var versions = ["MSXML2.XmlHttp.5.0", ...
First, import modules and set connection strings. If you need parameters, you can either put them directly in the URL string (an API in this case) or build them as a dict and pass them to the params argument. import requests import json params = {'id': 'blahblah', 'output': 'json'} # You could ...
How to implement FirebaseRealTime database in android application. Following is the steps for do it. First install firebase sdk, If you dont know how to install then following is the URL for help. Install Firebase SDK After thet register your project in firbase console, URL of the firbas...
By using the Grid.RowSpan and Grid.ColumnSpan attached properties, children of a Grid can span multiple rows or columns. In the following example the second TextBlock will span the second and third column of the Grid. <Grid> <Grid.ColumnDefinitions> <ColumnDefinition/&...
A lot of emoji consist of more than one code point. 🇯🇵: A flag is defined as a pair of "regional symbol indicator letters" (🇯 + 🇵) 🙋🏿: Some emoji may be followed by a skin tone modifier: 🙋 + 🏿 😀︎ or 😀️: Windows 10 allows you to specify if an emoji is colored or black/white b...

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