Tutorial by Examples: me

Then we finally pass the query to the writer to delete documents that match the query: See the answer to this question. See the API here // Remove the document by using a multi key query: // http://www.avajava.com/tutorials/lessons/how-do-i-combine-queries-with-a-boolean-query.html indexWriter....

In your sign-in activity's onCreate method, configure Google Sign-In to request the user data required by your app. GoogleSignInOptions gso = new GoogleSignInOptions.Builder(GoogleSignInOptions.DEFAULT_SIGN_IN) .requestEmail() .build(); create a GoogleApiClient object wi...

<?php /* * Plugin Name: Custom Admin Menu */ class SO_WP_Menu { private $plugin_url; public function __construct() { $this->plugin_url = plugins_url( '/', __FILE__ ); add_action( 'plugins_loaded', array( $this, 'init' ) ); } public funct...

Create new instance of UISegmentedControl filled with 3 items (segments): let mySegmentedControl = UISegmentedControl (items: ["One", "Two", "Three"]) Setup frame; mySegmentedControl.frame = CGRect(x: 0.0, y: 0.0, width: 300, height: 50) Make default s...

A is an array and p and q indexes of the array such as you gonna sort the sub-array A[p..r]. B is a sub-array which will be populated by the sort. A call to p-merge-sort(A,p,r,B,s) sorts elements from A[p..r] and put them in B[s..s+r-p]. p-merge-sort(A,p,r,B,s) n = r-p+1 if n==1 ...

Suppose we have a simple class with validation annotations public class UserDTO { @NotEmpty private String name; @Min(18) private int age; //getters/setters } A controller to check the UserDTO validity. @RestController public class ValidationController { @Reque...

import core.thread, std.stdio, std.datetime; void some_operation() { // Sleep for two sixtieths (2/60) of a second. Thread.sleep(2.seconds / 60); // Sleep for 100 microseconds. Thread.sleep(100.usecs); } void main() { MonoTime t0 = MonoTime.currTime(); some_opera...

set var1 to 5 //set the number to anything if var1 = 5 then say "Var one equals 5" else say "Var one does not equal 5" end if

The NamedParameterJdbcTemplate class adds support for programming JDBC statements using named parameters, as opposed to programming JDBC statements using only classic placeholder ( '?') arguments. The NamedParameterJdbcTemplate class wraps a JdbcTemplate, and delegates to the wrapped JdbcTempl...

Any @Component or @Configuration could be marked with @Profile annotation @Configuration @Profile("production") public class ProductionConfiguration { // ... } The same in XML config <beans profile="dev"> <bean id="dataSource" class="&l...

Suppose you need to work on three different projects project A, project B and project C. project A and project B need python 3 and some required libraries. But for project C you need python 2.7 and dependent libraries. So best practice for this is to separate those project environments. To create v...

Suppose you need to work on three different projects project A, project B and project C. project A and project B need python 3 and some required libraries. But for project C you need python 2.7 and dependent libraries. So best practice for this is to separate those project environments. For creati...

When compared to a other database types, a measurement in Influx can be considered, on a very high level, as being similar to a table in relational databases or a collection in document databases. List all measurements for the currently active database: $ show measurements Lists all measurement...

Option Explicit Sub CheckWorksheetsDiagram() Debug.Print Worksheets(1).Name Debug.Print Charts(1).Name Debug.Print Sheets(1).Name End Sub The result: Sheet1 Chart1 Chart1

Parameter TypesReturn TypeInterface()voidRunnable()TSupplier()booleanBooleanSupplier()intIntSupplier()longLongSupplier()doubleDoubleSupplier(T)voidConsumer<T>(T)TUnaryOperator<T>(T)RFunction<T,R>(T)booleanPredicate<T>(T)intToIntFunction<T>(T)longToLongFunction<T>(...

creating custom exception 'P2222': create or replace function s164() returns void as $$ begin raise exception using message = 'S 164', detail = 'D 164', hint = 'H 164', errcode = 'P2222'; end; $$ language plpgsql ; creating custom exception not assigning errm: create or replace function s...

https://api.telegram.org/bot*BOTTOKEN*/sendmessage?chat_id=exampleID&text=exampleText&parse_mode=HTML What does this do? With your parameters adjusted correctly this call will send a message to the exampleID user with the exampleText as message with an HTML encoding. Standard encoding is ma...

This covers how you can create a basic 2D game using SurfaceView. First, we need an activity: public class GameLauncher extends AppCompatActivity { private Game game; @Override public void onCreate(Bundle sis){ super.onCreate(sis); game = new Game(GameLauncher....

Prerequisites : ChromeDriver is downloaded Copy the following code into your class. public static void main(String[] args) { System.setProperty("webdriver.chrome.driver", "path of the exe file\\chromedriver.exe"); } If you're using linux, give the path to the ChromeDri...

Every Html-Element in Selenium is called a WebElement. For example, a p tag would be a WebElement, an a tag would be a WebElement, etc. Consider the following html Structure: <a id="link1" href="https://www.google.com">google</a> <p class="p1"> This...