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// This gist shows how to return raw image data
// Of Course depends how the image is stored in the database.
// The image upload functionallity is implemented with `multer` library and directly stored in mongodb (not good practice, but...)
return res.end(images[0].buffer.buffer);

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var IEFormData = new FormData();
$divForm.find('input[name], textarea[name]')
 .each(function(i, el) {
    var val = $(el).val();
      if (!val) {
        return;
      }

      if (el.type && el.type === 'file') {
        for (var i = 0; i < el.files.length; i++) {

M-Yankov

To set the transformation to work

This document describes how to set transform config XML on Build in Visual Studio without using any Extensions

• The .csproj file will be modified.
• WebProject.csproj to see which modifications are required.

1. It could begin from the web.config
2. Right click on it and select Add Config Transforms
3. This will make web.Config parent of web.Debug.Config and web.Release.Config
4. Unload .csproj file and edit it.

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// usings 
using Microsoft.Owin;
using Microsoft.AspNet.Identity.Owin
using Microsoft.AspNet.Identity;
using System.Security.Claims;
using System.Web;
using System.Web.Mvc;
using WebApplication.Web.App_Start; // Application managers

private const string RoleName = "Administrator"

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// Extracted from System.Web
public IPrincipal User
{
    get
    {
        return this._principalContainer.Principal;
    }
    [SecurityPermission(SecurityAction.Demand, ControlPrincipal=true)]
    set
    {

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public event EventHandler AuthenticateRequest
{
    add
    {
        this.AddSyncEventHookup(HttpApplication.EventAuthenticateRequest, value, RequestNotification.AuthenticateRequest);
    }
    remove
    {
        this.RemoveSyncEventHookup(HttpApplication.EventAuthenticateRequest, value, RequestNotification.AuthenticateRequest);
    }

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return 
    <First_Expression> ? "Value1" :
    <Second_Expression> ? "Value2" :
    <Third_Expression> ? "Value3":
    "Value4"; // And so on....

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/*
   This script will work only on the client-side 
*/
function toClientDate(dateText) {

    if (!validateInput(dateText)) {
        return '';
    }

    var date = new Date(dateText);

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How to add an XML structered code to C# classes.

1. copy a valid XML code

<items>
  <item>
    <title>
      Lorem ipsum 2017-10-19T13:55:00+00:00
 

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var taskArray = new Task[tasksCount];

for (int index = 0; index < taskArray.Length; index++)
{
    var productId = productIds[index];
    var task =  Task.Run(() => UpdatePoductStatus(productId, Status.Available));
    taskArray[index] = task;
}

Task.WaitAll(taskArray);