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Master-master vs master-slave database architecture?
...down everybody is out of the water, and if people are remote then may pay horrid communication costs. Bring portable devices, which may need to operate disconnected, into the picture and one copy won't cut it.
Master Slave: consistency is not too difficult because each piece of data has exactly one...
Accessing UI (Main) Thread safely in WPF
...You can use
Dispatcher.Invoke(Delegate, object[])
on the Application's (or any UIElement's) dispatcher.
You can use it for example like this:
Application.Current.Dispatcher.Invoke(new Action(() => { /* Your code here */ }));
or
someControl.Dispatcher.Invoke(new Action(() => { /* You...
Difference between android.app.Fragment and android.support.v4.app.Fragment
What is the difference between android.app.Fragment and android.support.v4.app.Fragment , and what are the circumstances in which each should be used?
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Check play state of AVPlayer
Is there a way to know whether an AVPlayer playback has stalled or reached the end?
11 Answers
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Is there a way to give a specific file name when saving a file via cURL?
...
Either use the -o option or its alias --output, or redirect shell output to the file of choice by using >.
curl -o /path/to/local/file http://url.com
curl http://url.com > /path/to/local/file
If you want to preserve the original file name fr...
Create a custom event in Java
...he observer pattern.
Here's some sample code to get yourself started:
import java.util.*;
// An interface to be implemented by everyone interested in "Hello" events
interface HelloListener {
void someoneSaidHello();
}
// Someone who says "Hello"
class Initiater {
private List<HelloLis...
Ignore Xcode warnings when using Cocoapods
...ibraries which have many warnings in it, after the latest Xcode updates. (for example the Facebook SDK pod)
Now all these warnings are shown in my Xcode on the place I want to see my own warnings or errors.
...
ASP.NET: Session.SessionID changes between requests
...son
When using cookie-based session state, ASP.NET does not allocate storage for session data until the Session object is used. As a result, a new session ID is generated for each page request until the session object is accessed. If your application requires a static session ID for the entire s...
Change type of varchar field to integer: “cannot be cast automatically to type integer”
...acter varying ". I'm trying to change it to " Integer " but it gives an error that casting is not possible.
8 Answers
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Enable Vim Syntax Highlighting By Default
...w to turn syntax highlighting on and off in vim by running this in the editor:
6 Answers
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