In this XML file, we are specifying the servlet class DispatcherServlet that acts as the front controller in Spring Web MVC. All the incoming request for the HTML file will be forwarded to the DispatcherServlet.
<?xml version="1.0" encoding="UTF-8"?>
<web-app version...
Imagine that you need sort records by lowest value of either one of two columns.
Some databases could use a non-aggregated MIN() or LEAST() function for this (... ORDER BY MIN(Date1, Date2)), but in standard SQL, you have to use a CASE expression.
The CASE expression in the query below looks at th...
Right-click on the Toolbox, then click "Choose Items".
Select the COM Components tab, and then check Windows Media Player.
axWindowsMediaPlayer will be added to Toolbox.
Select this checkbox to use axWindowsMediaPlayer
Then you can use axWindowsMediaPlayer :)
PHP exposes a number of so-called global variables which contain information about the HTTP request, such as $_POST, $_GET, $_FILES, $_SESSION, etc. The Request class contains a static createFromGlobals() method in order to instantiate a request object based on these variables:
use Symfony\Componen...
Installation or Setup Slim framework
Install Composer
Open cmd
Go to Root directory of your Project Folder and Run Following Command.
composer require slim/slim "^3.0"
Now you will have vendor directory in your project
Next Create Index.php in root folder and add following co...
This is hello world code:
print("Hello World!")
How it works? It's simple!
Lua executes print() function and uses "Hello World" string as argument.
In swift we can use both print() and NSLog() functions to print something on Xcode console.
But there are lot of differences in print() and NSLog() functions, such as:
1 TimeStamp: NSLog() will print timestamp along with the string we passed to it, but print() will not print timestamp.
e.g.
let ...
use \Psr\Http\Message\ServerRequestInterface as Request;
use \Psr\Http\Message\ResponseInterface as Response;
require 'vendor/autoload.php';
$app = new \Slim\App;
$app->get('/employee/view', function ($req, $res) {
$con = new mysqli('localhost','USERNAME','PASSWORD','DATABASE');
...
Sympy is made for symbolic math, so let's have a look at some basic integration and differentiation.
from sympy import symbols, sqrt, exp, diff, integrate, pprint
x, y = symbols(...
There are various types of inheritance and code reuse in Twig:
Include
The main goal is code reuse. Consider using header.html.twig & footer.html.twig inside base.html.twig as an example.
header.html.twig
<nav>
<div>Homepage</div>
<div>About</div>
</...
The ternary operator (?:)
Support for the extended ternary operator was added in Twig 1.12.0.
{{ foo ? 'yes' : 'no' }}
Evaluates:
if foo echo yes else echo no
{{ foo ?: 'no' }}
or
{{ foo ? foo : 'no' }}
Evaluates:
if foo echo it, else echo no
{{ foo ? 'yes' }}
or
{{ f...
You can use django rest framework permission classes to check request headers and authenticate user requests
Define your secret_key on project settings
API_KEY_SECRET = 'secret_value'
note: a good practice is to use environment variables to store this secret value.
Define a permission ...
Prior to iOS 7 when you want to scan a QR code, we might need to rely on third party frameworks or libraries like zBar or zXing. But Apple introduced AVCaptureMetaDataOutput from iOS 7 for reading barcodes.
To read QR code using AVFoundation we need to setup/create AVCaptureSession and use captureO...
in Startup.cs
// This method gets called by the runtime. Use this method to add services to the container.
public void ConfigureServices(IServiceCollection services)
{
// Add framework services.
services.AddMvc();
var controllerActivator = new CompositionRoot();
services...
One of the features in SugarCRM 7.x is being able to easily add and extend custom endpoints to accomplish what you require.
In this example, we'll create a couple of custom endpoints to return some data about the request.
This custom file is being placed in custom/clients/base/api/DescriptionAPI.p...
Both are used to define error handling for a website, but different software refers to different config elements.
customErrors are a legacy (backwards compatable) element, used by Visual Studio Development Server (aka. VSDS or Cassini).
httpErrors are the new element which is only used by IIS7.
T...
