Tutorial by Examples: n

@SessionScoped public class SessionScopedClass implements Serializable { //This class gets constructed once per session, and is shared among all CDI-managed classes within that session. Notice that it implements Serializable, since the instance will get put on the session. @Inject ...

The following code, inserted in your wp-config.php file, will log all errors, notices, and warnings to a file called debug.log in the wp-content directory. It will also hide the errors so they do not interrupt page generation. // Enable WP_DEBUG mode define( 'WP_DEBUG', true ); // Enable Debug...

Add the rx-android dependency as well as a current version of rx-java to the build.gradle. Because RxAndroid releases are few and far between, it is recommended you also explicitly depend on RxJava's latest version for bug fixes and new features. Rx1 compile 'io.reactivex:rxandroid:1.2.1' co...

:wqall Exiting multiple files with saving contents :qall! Exiting multiple files without saving contents

Once you have installed Visual Studio from https://www.visualstudio.com/downloads/, start a new project. Select 'Windows Forms Application' from Visual Basic Tab. You can rename it here if you need to. Once you click 'OK', you will see this window: Click on the 'Toolbo...

Bridge Mode $ docker run –d –-name my_app -p 10000:80 image_name Note that we did not have to specify --net=bridge because this is the default working mode for docker. This allows to run multiple containers to run on same host without any assignment of dynamic port. So BRIDGE mode avoids the por...

Dialog dlg; DialogGroup dGrp; DialogField dfGender; dlg = new Dialog("Enum Dialog"); dGrp = dlg.addGroup("A Group"); dfGender = dlg.addField(enumStr(Gender), "Your Gender"); if (dlg.run()) { info(dfGender.value()); } Enums have to be wrapped inside a...

Dialog dlg; DialogGroup dGrp; DialogField dialogField; dlg = new Dialog("Evil Dialog"); dGrp = dlg.addGroup("A Group"); dialogField = dlg.addFieldValue(extendedTypeStr(NoYesId), NoYes::Yes, "I hereby sell my soul"); if (dlg.run()) { info(dialogField.valu...

Required package structure XML activity_login <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="match_parent" android:gravity="center_vertical" android...

Analysis in elasticsearch comes into context when you are willing to analyze the data in your index. Analyzers allow us to perform following: Abbreviations Stemming Typo Handling We will be looking at each of them now. Abbreviations: Using analyzers, we can tell elasticsearch how to t...

In C, pointers can be cast to a void*, which needs an explicit cast in C++. The following is illegal in C++, but legal in C: void* ptr; int* intptr = ptr; Adding an explicit cast makes this work, but can cause further issues.

Detailed instructions on getting DotNetNuke set up or installed.

The Manifest file in DNN provides the framework with the information necessary to install and register a module. Here's a sample Manifest file for the dnnSimpleArticle module. <dotnetnuke type="Package" version="5.0"> <packages> <package name="dnnsimp...

// db.js const mysql = require('mysql'); const pool = mysql.createPool({ connectionLimit : 10, host : 'example.org', user : 'bob', password : 'secret', database : 'my_db' }); module.export = { getConnection: (callback) => { retu...

Detailed instructions on getting sharedpreferences set up or installed.

Create a new rails app hello-world from command in Windows and Terminal in Linux. rails new hello-world Now move to new app directory cd hello-world Now generate a controller rails generate controller hello_world index Here index is the name of method in hello_world controller. You can c...

class Node(object): def __init__(self, val): self.l_child = None self.r_child = None self.val = val class BinarySearchTree(object): def insert(self, root, node): if root is None: return node if root.val < node.val: ...

Comparisons are functions in clojure. What that means in (2>1) is (> 2 1) in clojure. Here are all the comparison operators in clojure. Greater Than (> 2 1) ;; true (> 1 2) ;; false Less Than (< 2 1) ;; false Greater Than or Equal To (>= 2 1) ;; true (>= 2 ...

Below is a non-tail-recursive function to compute the sum of a list of integers. let rec sum = function | [] -> 0 | h::t -> h + (sum t) The last operation the function performs is the addition. Thus, the function isn't tail-recursive. Below is a tail-recursive version of the same fu...

Detailed instructions on getting uicollectionview set up or installed.