Tutorial by Examples: e

Instead of using the delegate pattern, that split the implementation in various part of the UIViewController class, you can even use closures to pass data back and forward. By assuming that you're using the UIStoryboardSegue, in the prepareForSegue method you can easily setup the new controller in ...

This creates a table partitioned by ranges, in this example on order values. CREATE TABLE orders ( order_nr NUMBER(15), user_id VARCHAR2(2), order_value NUMBER(15), store_id NUMBER(5) ) PARTITION BY RANGE(order_value) ( PARTITION p1 VALUES LESS THAN(10), PARTITION ...

Check existing partitions on Schema SELECT * FROM user_tab_partitions;

Select data from a partition SELECT * FROM orders PARTITION(partition_name);

ALTER TABLE table_name TRUNCATE PARTITION partition_name;

ALTER TABLE table_name RENAME PARTITION p3 TO p6;

ALTER TABLE table_name MOVE PARTITION partition_name TABLESPACE tablespace_name;

ALTER TABLE table_name ADD PARTITION new_partition VALUES LESS THAN(400);

You're going to have to import Image from the react-native package like so then use it: import { Image } from 'react'; <Image source={{uri: 'https://image-souce.com/awesomeImage'}} /> You can also use a local image with a slightly different syntax but same logic like so: import { Image...

Delphi has the following string types (in order of popularity): TypeMaximum lengthMinimum sizeDescriptionstring2GB16 bytesA managed string. An alias for AnsiString through Delphi 2007, and an alias for UnicodeString as of Delphi 2009.UnicodeString2GB16 bytesA managed string in UTF-16 format.AnsiStr...

Using some setters, without setting all needed properties in the constructor(s) public final class Person { // example of a bad immutability private final String name; private final String surname; public Person(String name) { this.name = name; } public String ge...

JasperSoft Studio If datasource or database connection is needed to fill report, create your Data Adapter in Repository Explorer by right clicking "Data Adapters" selecting "Create Data Adapter" Enter preview mode by selecting the Preview tab (no errors in deign need t...

Common Requirements All reports, regardless of how the data is presented, take a path to the report template and a parameter map. The variables are used in all examples that follow: // Parameters passed into the report. Map<String, Object> parameters = new HashMap<>(); // Arbitrary...

(Wikipedia) Bioinformatics is an interdisciplinary field that develops methods and software tools for understanding biological data. As an interdisciplinary field of science, bioinformatics combines computer science, statistics, mathematics, and engineering to analyze and interpret biological dat...

When working with Azure using PowerShell there are 2 different ways you should be aware of and you will see a lot of the Microsoft documentation referring to both of them: "Classic mode (Service Management)" This is the old way of operating Azure and managing Azure. There is still some s...

Classic (Service Management) mode: Add-AzureAccount This will authenticate you using Azure Active Directory, and PowerShell gets an access token that expires after about 12 hours. So you must repeat the authentication after 12 hours. An alternative is to run the following cmdlet: Get-AzurePubl...

When you have multiple subscriptions under your Azure account; it's important that you are selecting the one you wish to operate on (and use this as default); to avoid accidents happening to resources on the wrong subscription. Classic mode Set-AzureSubscription Select-AzureSubscription Resou...

The AND keyword is used to add more conditions to the query. NameAgeGenderSam18MJohn21MBob22MMary23F SELECT name FROM persons WHERE gender = 'M' AND age > 20; This will return: NameJohnBob using OR keyword SELECT name FROM persons WHERE gender = 'M' OR age < 20; This will return: n...

Magento custom module development is a core part of any Magento development or Magento project, because at any stage you may want to integrate your own functionality/module in your existing Magento project. The first thing developers should disable is the system cache. Otherwise developing will bec...

A string resource provides text strings for your application with optional text styling and formatting. There are three types of resources that can provide your application with strings: String XML resource that provides a single string. Syntax: <?xml version="1.0" encoding="...