Tutorial by Examples: i

This example show how one may create a simple "Hello World" in Gtk3, setting up a window and button widgets. The sample code will also demonstrate how to set different attributes and actions on the widgets. module Main (Main.main) where import Graphics.UI.Gtk main :: IO () main = d...

For Navigate to any url : driver.navigate().to("http://www.example.com"); For move backwards : driver.navigate().back(); For move forwards : driver.navigate().forward(); For refresh the page : driver.navigate().refresh();

Method overriding is the way of using polymorphism between classes. if one class is inherited from another, the former (sub class) can override the latter's (super class's) methods, and change the implementation. this is used where the super class defines the more general implementation of the meth...

To separate API logic from the component, we are creating the API client as a separate class. This example class makes a request to Wikipedia API to get random wiki articles. import { Http, Response } from '@angular/http'; import { Injectable } from '@angular/core'; import { Observabl...

Since defining all of the authorization logic in the AuthServiceProvider could become cumbersome in large applications, Laravel allows you to split your authorization logic into "Policy" classes. Policies are plain PHP classes that group authorization logic based on the resource they autho...

Selecting data with condition $query = $this->db->select('*') ->from('table_name') ->where('column_name', $value) // Condition ->get(); return $query->result(); Selecting data with multiple conditions $conditions =...

with Ada.Text_IO; use Ada.Text_IO; procedure Main is task My_Task; task body My_Task is begin Put_Line ("Hello from My_Task"); end; begin Put_Line ("Hello from Main"); end; Result The order of Put_Line can vary. Hello from My_Task Hello from ...

with Ada.Text_IO; use Ada.Text_IO; procedure Main is task My_Task; task body My_Task is begin for I in 1 .. 4 loop Put_Line ("Hello from My_Task"); end loop; end; begin Put_Line ("Hello from Main"); end; Result The order of Put...

with Ada.Text_IO; use Ada.Text_IO; procedure Main is task My_Task; task body My_Task is begin for I in 1 .. 4 loop Put_Line ("Hello from My_Task"); end loop; end; begin for I in 1 .. 4 loop Put_Line ("Hello from Main"); e...

with Ada.Text_IO; use Ada.Text_IO; procedure Main is task My_Task_1; task My_Task_2; task body My_Task_1 is begin for I in 1 .. 4 loop Put_Line ("Hello from My_Task_1"); end loop; end; task body My_Task_2 is begin for ...

a = [1, 2, 3, 4, 5] # steps through the list backwards (step=-1) b = a[::-1] # built-in list method to reverse 'a' a.reverse() if a = b: print(True) print(b) # Output: # True # [5, 4, 3, 2, 1]

def shift_list(array, s): """Shifts the elements of a list to the left or right. Args: array - the list to shift s - the amount to shift the list ('+': right-shift, '-': left-shift) Returns: shifted_array - the shifted list "&quo...

One drawback of creating private method in Javascript is memory-inefficient because a copy of the private method will be created every time a new instance is created. See this simple example. function contact(first, last) { this.firstName = first; this.lastName = last; this.mobile; ...

select owner, table_name from all_tables ALL_TAB_COLUMNS describes the columns of the tables, views, and clusters accessible to the current user. COLS is a synonym for USER_TAB_COLUMNS. select * from all_tab_columns where table_name = :tname

All roles granted to user. select * from dba_role_privs where grantee= :username Privileges granted to user: system privileges select * from dba_sys_privs where grantee = :username object grants select * from dba_tab_privs where grantee = :username Permissions grante...

select * from v$version

select * from dba_objects

Detailed instructions on getting audio set up or installed.

The following query will return informationa about qeries, their plans and average statistics regarding their duration, CPU time, physical and logical io reads. SELECT Txt.query_text_id, Txt.query_sql_text, Pl.plan_id, avg_duration, avg_cpu_time, avg_physical_io_reads, avg_logica...

SQL Query optimizer will choose the baes possible plan that he can find for some query. If you can find some plan that works optimally for some query, you can force QO to always use that plan using the following stored procedure: EXEC sp_query_store_unforce_plan @query_id, @plan_id From this poi...