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Random color generator
...ath.floor(Math.random()*360) + ', 100%, 70%, 1)'
– jj_
Oct 28 '14 at 18:23
Entity Framework and Connection Pooling
...ty Framework’s contexts are meant to be used as short-lived instances in order to provide the most optimal performance experience. Contexts are expected to be short lived and discarded, and as such have been implemented to be very lightweight and reutilize metadata whenever possible. In web scenar...
Can I use view pager with views (not with fragments)
...lass does not need a adapter as it will load the views from the layout. In order to use it your projects, just use it instead of the android.support.v4.view.ViewPager.
All the fancy stuff will still work, but you do not need to be bothered with the adapters.
...
How to remove files that are listed in the .gitignore but still on the repository?
...became this git ls-files -i --exclude-from=.gitignore | %{git rm --cached $_}
– digaomatias
Jul 26 '14 at 21:28
1
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Maven error: Could not find or load main class org.codehaus.plexus.classworlds.launcher.Launcher
...nd this article. For Maven3, changing my environment variable name from M2_HOME to M3_HOME did the trick. I am on a Mac running OSX 10.9 with JDK 1.7. Hope this helps.
Note: Please delete M2_HOME, if already set. Eg: unset M2_HOME
...
Use of Finalize/Dispose method in C#
... within your finalizer (other than "this"), because there is no guaranteed order in which the GC will clean up objects. Also, if you are using .Net 2.0 or better, you can (and should) use SafeHandles to wrapper unmanaged handles. Safehandles greatly reduce your need to write finalizers for your ma...
Is there a way to make R beep/play a sound at the end of a script?
...eat to call it if the code crashes... Cheers!
– dez93_2000
Sep 2 '14 at 22:09
4
Sure! You just ha...
Bash tool to get nth line from a file
...editor I have tried, including my go-to Vim. I need to subset this file in order to investigate some of the values that I've discovered only start around row ~500,000,000.
Because the file has so many rows:
I need to extract only a subset of the rows to do anything useful with the data.
Reading t...
When to use , tag files, composite components and/or custom components?
...e Facelet tag files if you want to have a reuseable group of components in order to prevent/minimize code duplication. E.g. a group of label+input+message components. The major difference with composite components is that the output of a Facelet tag file does not represent a single UIComponent and m...
When to choose checked and unchecked exceptions
...is a good thing. You should clearly state what is your method expecting in order to work properly. This way you can validate the input only once.
For instance:
/**
* @params operation - The operation to execute.
* @throws IllegalArgumentException if the operation is "exit"
*/
public final voi...