Tutorial by Examples: add

Adding a footer is not natively possible. Luckily, we can make use of jQuery and CSS to add a footer to the slides of an ioslides presentation rendered with knitr. First of all we have to include the jQuery plugin. This is done by the line <script src="https://ajax.googleapis.com/ajax/libs...

ArrayList is one of the inbuilt data structures in Java. It is a dynamic array (where the size of the data structure not needed to be declared first) for storing elements (Objects). It extends AbstractList class and implements List interface. An ArrayList can contain duplicate elements where it mai...

This example assumes that your lookup column is named MultiLookupColumnName and that you want to set your multi-lookup field to lookup to the items with IDs 1 and 2. Using jQuery AJAX 2010 var listName = "YourListName"; var lookupList = "LookupListName"; var idOfItemToUpdate...

let configuration = WKWebViewConfiguration() if let path = NSBundle.mainBundle().pathForResource("customUserScript", ofType: "js"), source = try? NSString(contentsOfFile: path, encoding: NSUTF8StringEncoding) as String { let userScript = WKUserScript(source...

function DriveAppAddFolder(child) {//Adds file to the root drive in Google Drive var body,returnedFolder;//Declare variable names if (!child) { body = "There is no folder"; MailApp.sendEmail(Session.getEffectiveUser().getEmail(), "", "Error Adding Folder!&q...

function DriveAppAddFile(child) {//Adds file to the root drive in Google Drive var body,returnedFolder;//Declare variable names if (!child) { body = "There is no file"; MailApp.sendEmail(Session.getEffectiveUser().getEmail(), "", "Error Adding File!",...

IPv4 To match IPv4 address format, you need to check for numbers [0-9]{1,3} three times {3} separated by periods \. and ending with another number. ^(?:[0-9]{1,3}\.){3}[0-9]{1,3}$ This regular expression is too simple - if you want to it to be accurate, you need to check that the numbers are be...

This error occurs when tables are not adequately structured to handle the speedy lookup verification of Foreign Key (FK) requirements that the developer is mandating. CREATE TABLE `gtType` ( `type` char(2) NOT NULL, `description` varchar(1000) NOT NULL, PRIMARY KEY (`type`) ) ENGINE=InnoD...

import java.util.ArrayList; import java.util.List; import static java.lang.System.out; public class PolymorphismDemo { public static void main(String[] args) { List<FlyingMachine> machines = new ArrayList<FlyingMachine>(); machines.add(new FlyingMachine())...

Instead of web pages, we can also load the document files into iOS WebView like .pdf, .txt, .doc etc.. loadData method is used to load NSData into webview. Swift //Assuming there is a text file in the project named "home.txt". let localFilePath = NSBundle.mainBundle().pathForResource(&...

Informally, a monad is a container of elements, notated as F[_], packed with 2 functions: flatMap (to transform this container) and unit (to create this container). Common library examples include List[T], Set[T] and Option[T]. Formal definition Monad M is a parametric type M[T] with two operatio...

That would get more control over serialization, how to save and load types Implement ISerializable interface and create an empty constructor to compile [Serializable] public class Item : ISerializable { private string _name; public string Name { get { return _name; } ...

Each group ends with a line separator. If each item in your menu has its own group you will achieve the desired graphical output. It will work only if your different groups have different android:id. Also, in menu.xml remember to mention android:checkable="true" for single item and android...

To improve performance one might want to add indexes to columns ALTER TABLE TABLE_NAME ADD INDEX `index_name` (`column_name`) altering to add composite (multiple column) indexes ALTER TABLE TABLE_NAME ADD INDEX `index_name` (`col1`,`col2`)

Navigation Drawers are used to navigate to top-level destinations in an app. Make sure that you have added design support library in your build.gradle file under dependencies: dependencies { // ... compile 'com.android.support:design:25.3.1' } Next, add the DrawerLayout and Navigati...

var MY_AJAX_ACTION_URL = "path/to/controller.php"; var table = $('#user_list_table').DataTable({ "autoWidth": true, "paging": true, "searching": true, "ordering": true, "language": { ...

To make a new directory from a File instance you would need to use one of two methods: mkdirs() or mkdir(). mkdir() - Creates the directory named by this abstract pathname. (source) mkdirs() - Creates the directory named by this abstract pathname, including any necessary but nonexistent parent d...

dependencies { compile 'com.google.code.gson:gson:2.8.1' } To use latest version of Gson The below line will compile latest version of gson library everytime you compile, you do not have to change version. Pros: You can use latest features, speed and less bugs. Cons: It might break com...

Sometimes you need to serialize or deserialize some fields in a desired format, for example your backend may use the format "YYYY-MM-dd HH:mm" for dates and you want your POJOS to use the DateTime class in Joda Time. In order to automatically convert these strings into DateTimes object, y...

Add a init.gradle to your user gradle folder. The init.gradle is recognized on every project. Unix: ~/.gradle/init.gradle These are also alternative locations where init script can be placed and loaded automatically:- Any *.gradle file in USER_HOME/.gradle/init.d Any *.gradle file in t...