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How to use sessions in an ASP.NET MVC 4 application?
...o:
Our reusable, serializable object:
[Serializable]
public class UserProfileSessionData
{
public int UserId { get; set; }
public string EmailAddress { get; set; }
public string FullName { get; set; }
}
Use case:
public class LoginController : Controller {
[HttpPost]
publ...
Best practice for creating millions of small temporary objects
... allocation overhead
limit the size of your pool :)
Measure before/after etc,etc
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What is the difference between Strategy pattern and Dependency Injection?
...ld use the strategy pattern to swap out an XML formatter or CSV formatter, etc.
Dependency Injection is different in that the user is not trying to change the runtime behaviour. Following the example above, we might be creating an XML export program that uses an XML formatter. Rather than structuri...
Xcode 4.5 Storyboard 'Exit'
...ependency on its position in the controller hierarchy. You can add any old file and the system seems to aggregate all the methods that have the UIStoryboardSegue parameter and display them on the Exit icon's menu.) Note that the control-drag menu will even show you your method if the method is in th...
Why do we not have a virtual constructor in C++?
...lities, it's easy to add logging, instrumentation, alter memory allocation etc..
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window.onload vs document.onload
...d when the entire page loads, including its content (images, CSS, scripts, etc.).
In some browsers it now takes over the role of document.onload and fires when the DOM is ready as well.
document.onload
It is called when the DOM is ready which can be prior to images and other external content is...
Switch statement for greater-than/less-than
...ctions for what you want to do in these cases (define function1, function2 etc)
And "evaluate" the rules
function applyRules(scrollLeft)
{
for(var i=0; i>rules.length; i++)
{
var oneRule = rules[i];
if(scrollLeft > oneRule.lowerLimit && scrollLeft < oneRule.upp...
AngularJS UI Router - change url without reloading state
... can guess the state from the url. And also the query and path parameters, etc. If you make your app around states and urls, that is a lof of information. In the run block you can also access services etc. Does that answer your question?
– wiherek
Mar 11 '15 at...
Accessing an SQLite Database in Swift
...9 or later, you can simply do:
import SQLite3
Create/open database.
let fileURL = try! FileManager.default
.url(for: .applicationSupportDirectory, in: .userDomainMask, appropriateFor: nil, create: true)
.appendingPathComponent("test.sqlite")
// open database
var db: OpaquePointer?
guard...
Calculate number of hours between 2 dates in PHP
...at it considers different timezones, leap years, leap seconds, summertime, etc. And on top of that it's very easy to use. Here's what you want with the help of this objects:
// Create two new DateTime-objects...
$date1 = new DateTime('2006-04-12T12:30:00');
$date2 = new DateTime('2006-04-14T11:30:0...