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DataObjects in SilverStripe represent a database table row. The fields in the model have magic methods that handle getting and setting data via their property names. Given we have a simple DataObject as an example: class Fruit extends DataObject { private static $db = ['Name' => 'Varchar'...

You can install a gem from github or filesystem. If the gem has been checked out from git or somehow already on the file system, you could install it using gem install --local path_to_gem/filename.gem Installing gem from github. Download the sources from github mkdir newgem cd newgem git clon...

Const zipCode As long = 10012 Dim zeroPaddedNumber As String zeroPaddedZipCode = Format(zipCode, "00000000") 'zeroPaddedNumber = "00010012"

As a root user: sudo nginx -s reload Ubuntu 14.04 example sudo service nginx reload Ubuntu 16.04 example sudo systemctl reload nginx Before reloading, it is a good idea to check config for syntax errors: sudo nginx -t Or sudo service nginx configtest

The following example encrypts a given data block using AES. The encryption key is derived in a secure way (random salt, 1000 rounds of SHA-256). The encryption uses AES in CBC mode with random IV. Note that the data stored in the class EncryptedData (salt, iv, and encryptedData) can be concatenate...

We can easily separate distribution specific tasks and variables into different dedicated .yml files. Ansible helps us to automatically identify the target hosts distribution via {{ ansible_distribution }} and {{ ansible_distribution_version }}, so we just have to name the distribution dedicated .y...

Patterns can be specified as regular expressions: /regular expression/ {action} For example: echo "[email protected] not an email" | awk '/[^@]+@.+/ {print}' Produces: [email protected] Note that an action consisting only of the print statement can be omitted entirely. The abo...

Create a new httpHandler inside your ASP.NET project. Apply the following code (VB) to the handler file: Public Class AttachmentDownload Implements System.Web.IHttpHandler Sub ProcessRequest(ByVal context As HttpContext) Implements IHttpHandler.ProcessRequest ' pass an ID thr...

The way the $scope is injected in the controller's constructor functions is a way to demonstrate and use the basic option of angular dependency injection but is not production ready as it cannot be minified. Thats because the minification system changes the variable names and anguar's dependency i...

Detailed instructions on getting iPhone set up or installed. Turn on your iPhone. You will see the "Hello" screen in many languages. Slide to right to continue. Choose the language you want and tap your country or region. Choose a Wi-Fi network and make sure your iPhone 7 is connected...

An array is just a block of sequential memory locations for a specific type of variable. Arrays are allocated the same way as normal variables, but with square brackets appended to its name [] that contain the number of elements that fit into the array memory. The following example of an array uses...

Typical usage of ExtJS leverages the framework to build single-page rich-applications (RIA). The simplest way to get started is to make use of Sencha Cmd, a CLI build tool covering most of the general concerns in a deployment life-cycle, primarily: package and dependency management code compil...

Used by awk to separate fields output by the print statement. For example: echo "a b c d e f" | awk 'BEGIN {OFS="-"} {print $2, $3}' produces: b-c e-f The default value is , a string consisting of a single space.

Used by awk to separate records and is output at the end of every print statement. For example: echo "a b c d e f" | awk 'BEGIN {ORS="|"} {print $2, $3}' produces: b c|e f The default value is \n (newline character).

Authenticate user with Plus login onCreate GoogleSignInOptions gso = new GoogleSignInOptions.Builder(GoogleSignInOptions.DEFAULT_SIGN_IN) .requestIdToken(getString(R.string.default_web_client_id)) .requestScopes(new Scope(Scopes.PLUS_LOGIN)) .requestEmail() .build(); mGoogleApiClient...

Client.java import java.io.*; import java.net.*; public class Client{ public static void main(String [] args) throws IOException{ DatagramSocket clientSocket = new DatagramSocket(); InetAddress address = InetAddress.getByName(args[0]); String ex = "He...

Build.VERSION_CODES is an enumeration of the currently known SDK version codes. In order to conditionally run code based on the device's Android version, use the TargetApi annotation to avoid Lint errors, and check the build version before running the code specific to the API level. Here is an exa...

Place next java class in src/androidTest/java and run it. public class UITest { @Test public void Simple_Test() { onView(withId(R.id.my_view)) // withId(R.id.my_view) is a ViewMatcher .perform(click()) // click() is a ViewAction .check(matches(isDi...

var directories = [ {name: 'users' , parent : null }, {name: 'distalx' , parent : 'users' }, {name: 'guest' , parent : 'users' }, {name: 'shared' , parent : 'users' }, {name: 'documents' , parent : 'distalx' }, {name: 'music' , parent : 'distalx' }, {name: 'desktop' , parent : '...

If you ever need an array that consists of extra arguments that you may or may not expect to have, apart from the ones you specifically declared, you can use the array rest parameter inside the arguments declaration as follows: Example 1, optional arguments into an array: function printArgs(arg1, ...