Tutorial by Examples: al

Now, let's imagine we have 1 large file (e.g. 30 GB) that needs to be converted, line by line. Say we have a script, convert.sh, that does this <task>. We can pipe contents of this file to stdin for parallel to take in and work with in chunks such as <stdin> | parallel --pipe --block &l...

This is a weird approach most of the people don't know this even exist. CREATE TABLE AliasNameDemo(id INT,firstname VARCHAR(20),lastname VARCHAR(20)) INSERT INTO AliasNameDemo VALUES (1,'MyFirstName','MyLastName') SELECT * FROM (SELECT firstname + ' ' + lastname FROM A...

reactiveValues can be used to store objects, to which other expressions can take a dependency. In the example below, a reactiveValues object is initialized with value "No text has been submitted yet.". A separate observer is created to update the reactiveValues object whenever the submit ...

Valgrind is GPLv2-licensed collection of dynamic analysis tools, which uses binary instrumentation (dynamic recompilation). Six tools are included to detect memory management (Memcheck) and threading errors (Helgrind and DRD), to generate call-graph and profile programs (with optional cache and bran...

class AppDelegate: UIResponder, UIApplicationDelegate { var window: UIWindow? var firstTabNavigationController : UINavigationController! var secondTabNavigationControoller : UINavigationController! var thirdTabNavigationController : UINavigationController! var fourth...

Detailed instructions on getting graph set up or installed.

Detailed instructions on getting odoo-10 set up or installed.

Detailed instructions on getting url set up or installed.

Detailed instructions on getting user-interface set up or installed.

Detailed instructions on getting es6-promise set up or installed.

Detailed instructions on getting office-interop set up or installed.

When creating a new list item, its fields can be set using syntax similar to string arrays. Note that these fields are not created on the fly and are defined by the schema of the list. These fields (or columns) must exist on the server otherwise the create will fail. All list items will have the Tit...

@Module class AppModule(val app: Application) { @Provides @Named("the_answer") fun providesTheAnswer(): Int { return 42 } }

Check environment variable value e.g. echo %JAVA_HOME% C:\Program Files\Java\jdk1.7.0_51

(let [xf (comp (map inc) (filter even?))] (transduce xf + [1 2 3 4 5 6 7 8 9 10])) ;; => 30 This example creates a transducer assigned to the local xf and uses transduce to apply it to some data. The transducer add's one to each of it's inputs and only returns the ...

The Rule: The user will input credentials (email and password). If credentials are valid, redirect to home page. Show an error message otherwise. How to apply technique: You can have a huge valid list of emails that could be used: [email protected] [email protected] [email protected] ... As we...

In this example I will show you how to make a basic lexer which will create the tokens for a integer variable declaration in python. What does the lexical analyser do? The purpose of a lexer (lexical analyser) is to scan the source code and break up each word into a list item. Once done it tak...

Let's create a map and a closure to print hello def exMap = [:] def exClosure = { println "Hello" } Assign closure to a property in map exMap.closureProp = exClosure Calling closure exMap.closureProp.call() Output Hello Another Example - Lets create a class with ba...

<?php //Creating Connection to MySQL database using MySQLi $mysqli = mysqli_connect("IP ADDRESS OR DOAMIN", "username", "password", "database_name"); //Executing Query in the Database using MySQLi $result = mysqli_query($mysqli, "SELECT * FROM T...

In order to Install Visual Studio 2010, First we need to download Visual Studio. We can find Visual Studio Older Versions at Visual Studio Official Website Navigate to above mentioned official site and click the download button Log in with your Visual Studio Subscription account when prompted. ...