Tutorial by Examples: ad

Let's extend our template from above and include content from header.php and footer.php Including header: We will include header right after Template name comment There are two common ways to do this. Both are right and work same, it's just about your style and how code looks First way: <?ph...

We prepare a file called reverser.ml with the following contents: let acc = ref [] in try while true do acc := read_line () :: !acc; done with End_of_file -> print_string (String.concat "\n" !acc) We then compile our program using ...

There are several additional attributes that the Volley NetworkImageView adds to the standard ImageView. However, these attributes can only be set in code. The following is an example of how to make an extension class that will pick up the attributes from your XML layout file and apply them to the N...

A simple example on how to read a UTF text file synchronously. import flash.filesystem.File; import flash.filesystem.FileMode; import flash.filesystem.FileStream; //First, get a reference to the file you want to load var myFile:File = File.documentsDirectory.resolvePath("lifestory.txt&...

Add the AppWidgetProviderInfo metadata in res/xml: <appwidget-provider xmlns:android="http://schemas.android.com/apk/res/android" android:minWidth="40dp" android:minHeight="40dp" android:updatePeriodMillis="86400000" android:previewImag...

Nine-patch images allow optional definition of the padding lines in the image. The padding lines are the lines on the right and at the bottom. If a View sets the 9-patch image as its background, the padding lines are used to define the space for the View's content (e.g. the text input in an EditTex...

This example uses a search controller to filter the cells in a table view controller. The search bar is placed inside the header view of the table view. The table view content is offset with the same height as the search bar so that the search bar is hidden at first. Upon scrolling up past the top e...

Early bound (requires a reference to Microsoft Scripting Runtime): Public Sub EnumerateDirectory() Dim fso As Scripting.FileSystemObject Set fso = New Scripting.FileSystemObject Dim targetFolder As Folder Set targetFolder = fso.GetFolder("C:\") Dim foundFi...

A helper function to create a bitmap copy of an object. This can be used to convert vector objects, text or complex nested Sprite's to a flattened bitmap. function makeBitmapCopy(displayObj:IBitmapDrawable, transparent:Boolean = false, bgColor:uint = 0x00000000, smooth:Boolean = true):Bitmap { ...

Validates a value is a valid IP address var_dump(filter_var('185.158.24.24', FILTER_VALIDATE_IP)); var_dump(filter_var('2001:0db8:0a0b:12f0:0000:0000:0000:0001', FILTER_VALIDATE_IP)); var_dump(filter_var('192.168.0.1', FILTER_VALIDATE_IP)); var_dump(filter_var('127.0.0.1', FILTER_VALIDATE_IP)); ...

Screen shot: Option 1 (pure adb) The shell adb command allows us to execute commands using a device's built-in shell. The screencap shell command captures the content currently visible on a device and saves it into a given image file, e.g. /sdcard/screen.png: adb shell screencap /sdcard/screen.png...

Since Unity 5.2.5 it's possible to use RuntimeInitializeOnLoadMethodAttribute to execute initialization logic bypassing MonoBehaviour order of execution. It provides a way to create more clean and robust implementation: using UnityEngine; sealed class GameDirector : MonoBehaviour { // Beca...

In order to have google maps work properly with turbolinks, add the javascript tag directly to the layout header rather than including it in a view. # app/views/layouts/my_layout.html.haml !!! %html{:lang => 'en'} %head - # ... = google_maps_api_script_tag The google_maps_api_s...

On the profile view, show the profile fields of a user or group in a list as well as the address fields on a google map. - # app/views/profiles/show.html.haml %h1 Contact Information .profile_fields = render @profile_fields .google_map{data: address_fields: @address_fields.to_json } The ap...

Start using File Uploads in Rails is quite simple, first thing you have to do is to choice plugin for managing uploads. The most common onces are Carrierwave and Paperclip. Both are similar in functionality and rich in documentation on Let's have an look on example with simple avatar upload image w...

If you want to create multiple uploads, first thing you might want to do is create new model and set up relations Let's say you want an multiple images for the Product model. Create an new model and make it belongs_to your parent model rails g model ProductPhoto #product.rb has_many :product_p...

added in GHC 7.8. OverloadedLists, similar to OverloadedStrings, allows list literals to be desugared as follows: [] -- fromListN 0 [] [x] -- fromListN 1 (x : []) [x .. ] -- fromList (enumFrom x) This comes handy when dealing with types such as Set, Vector and Maps. ['0'...

String filename = "image.png"; String imagePath = getExternalFilesDir() + "/" + filename; Picasso.with(context) .load(new File(imagePath)) .into(imageView);

In the case of a multi-project gradle build, you may sometimes need to depend on another project in your build. To accomplish this, you'd enter the following in your project's dependencies: dependencies { compile project(':OtherProject') } Where ':OtherProject' is the gradle path for the p...

Easily add a heading container to your panel with .panel-heading. You may also include any <h1>-<h6> with a .panel-title class to add a pre-styled heading. However, the font sizes of <h1>-<h6> are overridden by .panel-heading. For proper link coloring, be sure to place links...