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Why JSF calls getters multiple times
...when used in iterating JSF components (such as <h:dataTable> and <ui:repeat>), or here and there in a boolean expression like the rendered attribute. JSF (specifically, EL) won't cache the evaluated result of the EL expression at all as it may return different values on each call (for ex...
“android.view.WindowManager$BadTokenException: Unable to add window” on buider.show()
...ead (AsyncTask) by opening a Dialog.
If you are trying to modify the UI from background thread (usually
from onPostExecute() of AsyncTask) and if the activity enters
finishing stage i.e.) explicitly calling finish(), user pressing home
or back button or activity clean up made by Android ...
ApartmentState for dummies
...guarantees for a class. A COM class can publish what kind of threading requirements it has. And the COM infrastructure makes sure those requirements are met.
This is completely absent in .NET. You can use a Queue<> object for example in multiple threads but if you don't lock properly, you'...
How to wait for a keypress in R?
...r] to continue")
line <- readline()
}
This function is the best equivalent of Console.ReadKey() in C#.
Method 2
Pause until you type the [enter] keystroke on the keyboard. The disadvantage of this method is that if you type something that is not a number, it will display an error.
print ...
How to articulate the difference between asynchronous and parallel programming?
...ou would make sure it was running asynchronously so it didn't lock up your UI and you could continue doing other things. Now, each frame of that animation can also be considered as an individual task. If we have multiple CPUs/Cores or multiple machines available, we can render multiple frames in par...
How do you handle multiple submit buttons in ASP.NET MVC Framework?
...er the responsibility of the action and not couple this design too much to UI aspects like button names. So consider using 2 forms and 2 actions:
<% Html.BeginForm("Send", "MyController", FormMethod.Post); %>
<input type="submit" name="button" value="Send" />
<% Html.EndForm(); %>...
JavaScript: client-side vs. server-side validation
...submit dangerous input to the server.
It is very dangerous to trust your UI. Not only can they abuse your UI, but they may not be using your UI at all, or even a browser. What if the user manually edits the URL, or runs their own Javascript, or tweaks their HTTP requests with another tool? What if...
How to install latest (untagged) state of a repo using bower?
...
I'm getting the fatal: reference is not a tree as well. Quite annoying.
– Seiyria
Feb 25 '15 at 4:47
...
C#: How to convert a list of objects to a list of a single property of that object?
...Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
namespace TestProject
{
public partial class WebForm3 : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
SampleDataContext co...
Sending email through Gmail SMTP server with C#
...e getting the exception "`The server response was: 5.5.1 Authentication Required.
– Ravendarksky
Jul 31 '15 at 11:38
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