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What are Long-Polling, Websockets, Server-Sent Events (SSE) and Comet?
...s prior to HTML5 which use streaming and long-polling to achieve real time applications. Read more on wikipedia or this article.
Now, which one of them should I use for a realtime app (that I need to
code). I have been hearing a lot about websockets (with socket.io [a
node.js library]) but...
Color picker utility (color pipette) in Ubuntu [closed]
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I recommend GPick:
sudo apt-get install gpick
Applications -> Graphics -> GPick
It has many more features than gcolor2 but is still extremely simple to use: click on one of the hex swatches, move your mouse around the screen over the colours you want to pick, then...
How to configure the web.config to allow requests of any length
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In my case ( Visual Studio 2012 / IIS Express / ASP.NET MVC 4 app / .Net Framework 4.5 ) what really worked after 30 minutes of trial and error was setting the maxQueryStringLength property in the <httpRuntime> tag:
<httpRuntime targetFramework="4.5" maxQueryStringLength="1024...
How to customize user profile when using django-allauth
I have a django project with the django-allauth app. I need to collect additional data from the user at signup. I came across a similar question here but unfortunately, no one answered the profile customization part.
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How to implement a ConfigurationSection with a ConfigurationElementCollection
...e previous answer is correct but I'll give you all the code as well.
Your app.config should look like this:
<?xml version="1.0" encoding="utf-8" ?>
<configuration>
<configSections>
<section name="ServicesSection" type="RT.Core.Config.ServiceConfigurationSection, RT.Co...
How to get StackPanel's children to fill maximum space downward?
... the help that is available on the news screen."
TextWrapping="Wrap" />
</GroupBox>
<StackPanel DockPanel.Dock="Left" Margin="10"
Width="Auto" HorizontalAlignment="Stretch">
<TextBlock Text="Here is the news that should wrap aro...
Media Player called in state 0, error (-38,0)
I am currently trying to design a simple app that streams an internet radio station. I have the URL for the station and am setting up the Media Player like
...
How to create a memory leak in Java?
...accessible by running code but still stored in memory) in pure Java:
The application creates a long-running thread (or use a thread pool to leak even faster).
The thread loads a class via an (optionally custom) ClassLoader.
The class allocates a large chunk of memory (e.g. new byte[1000000]), stor...
When is a language considered a scripting language? [closed]
...er things to do stuff. The primary focus isn't primarily building your own apps so much as getting an existing app to act the way you want, e.g. JavaScript for browsers, VBA for MS Office.
share
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How to check if APK is signed or “debug build”?
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There are different way to check if the application is build using debug or release certificate, but the following way seems best to me.
According to the info in Android documentation Signing Your Application, debug key contain following subject distinguished nam...