Tutorial by Examples: d

MAPCAN: CL-USER> (mapcan #'reverse '((1 2 3) (a b c) (100 200 300))) (3 2 1 C B A 300 200 100) CL-USER> (defun from-to (min max) (loop for i from min to max collect i)) FROM-TO CL-USER> (from-to 1 5) (1 2 3 4 5) CL-USER> (mapcan #'from-to '(1 2 3) '(5 5 5)) (1 2 3 4 5...
MAPC: CL-USER> (mapc (lambda (x) (print (* x x))) '(1 2 3 4)) 1 4 9 16 (1 2 3 4) CL-USER> (let ((sum 0)) (mapc (lambda (x y) (incf sum (* x y))) '(1 2 3) '(100 200 300)) sum) 1400 ; => (1 x 100) + (2 x 200) + (3 x 30...
#include <omp.h> #include <stdio.h> int main (int argc, char *argv[]) { #pragma omp parallel { printf ("Hello world! I'm thread %d out of %d threads.\n", omp_get_thread_num(), omp_get_num_threads()); } return 0; } This code simply ...
The per-directory context is a part of the static configuration file between <Directory> and </Directory> tags. The entire content of dynamic configuration files is within the per-directory context of the folder in which the .htaccess resides. RewriteRule's in per-directory context matc...
As mentioned in "Remarks", a partition is a part/slice/chunk of an RDD. Below is a minimal example on how to request a minimum number of partitions for your RDD: In [1]: mylistRDD = sc.parallelize([1, 2, 3, 4, 5, 6, 7, 8, 9, 10], 2) In [2]: mylistRDD.getNumPartitions() Out[2]: 2 No...
Sometimes we want to repartition an RDD, for example because it comes from a file that wasn't created by us, and the number of partitions defined from the creator is not the one we want. The two most known functions to achieve this are: repartition(numPartitions) and: coalesce(numPartitions, s...
private static final String TAG = "IntentBitmapFetch"; private static final String COLON_SEPARATOR = ":"; private static final String IMAGE = "image"; @Nullable public Bitmap getBitmap(@NonNull Uri bitmapUri, int maxDimen) { InputStream is = context.getConten...
Let's make a hello world web script. Web scripts have a descriptor, a controller, and, optionally, a view. These files must follow a naming convention. This descriptor is named helloworld.get.desc.xml. <webscript> <shortname>Hello World</shortname> <description>Hello ...
The Hello World Web Script handles GET HTTP methods. But what if you want to create data on the server? For that your web script should handle POST. Here is a simple example that creates new folders in Company Home. It is invoked by making a POST call with a JSON body that looks like: {'name':'tes...
interface IGreeter { void Greet(); } class Greeter : IGreeter { public void Greet() { Console.WriteLine("Hello World"); } } class SpanishGreeter : IGreeter { public void Greet() { Console.WriteLine("Hola Mundo"); } ...
Dagger 2 supports creating a component from multiple modules. You can create your component this way: @Singleton @Component(modules = {GeneralPurposeModule.class, SpecificModule.class}) public interface MyMultipleModuleComponent { void inject(MyFragment myFragment); void inject(MyServic...
QRCodeReaderView implements an Android view which show camera and notify when there's a QR code inside the preview. It uses the zxing open-source, multi-format 1D/2D barcode image processing library. Adding the library to your project Add QRCodeReaderView dependency to your build.gradle dependen...
Shortcodes are useful when you want to be able add more complex elements inline into the normal content editor. A shortcode in it's simplest for would look like this: function my_shortcode( ){ return "This is a shortcode"; } add_shortcode( 'my_shortcode', 'my_shortcode' ); It w...
Here is an example of a simple button short code: <?php function my_button_shortcode( $atts ) { // Parse the input attributes and assgn default values for the // attributes that are not specified on the shortcode $a = shortcode_atts( array( 'id' => '', 'ur...
Orphan nodes/vertices are those lacking all relationships/edges. MATCH (n) WHERE NOT (n)--() DELETE n
twitter-bootstrap-3 has provided four different sizes of buttons Large button btn-lg Default button does not require any btn size Small button btn-sm Extra small button btn-xs <button type="button" class="btn btn-lg">Large button</button> <button type=...
Overriding properties (both read-only and mutable): abstract class Car { abstract val name: String; open var speed: Int = 0; } class BrokenCar(override val name: String) : Car() { override var speed: Int get() = 0 set(value) { throw UnsupportedOpera...
When automating the provisioning of new nodes to a swarm, you need to know what the right join token is for the swarm as well as the advertised address of the manager. You can find this out by running the following commands on any of the existing manager nodes: # grab the ipaddress:port of the mana...
HelloWorld.proj <Project xmlns="http://schemas.microsoft.com/developer/msbuild/2003" DefaultTargets="SayHello"> <!-- Properties can be passed as command line parameters. i.e. /p:Name=MyName or /p:Name="My Name" (Use quotes if the value includes ...
The sample content used here is Tears of Steel, by Blender Foundation. Specifically, we will use the download titled "HD 720p (~365MB, mov, 2.0)". This is a single file that ends with the extension "mov" and will play in just about any modern media player. Note that the download...

Page 426 of 691