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How to check if APK is signed or “debug build”?
...
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...
How to delete migration files in Rails 3
...s not the last one), I just perform a new rake db:migrate again.
If your application is already on production or staging, it's safer to just write another migration that destroys your table or columns.
Another great reference for migrations is: http://guides.rubyonrails.org/migrations.html
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How do I make a delay in Java?
...ewSingleThreadScheduledExecutor();
executorService.scheduleAtFixedRate(App::myTask, 0, 1, TimeUnit.SECONDS);
}
private static void myTask() {
System.out.println("Running");
}
And in Java 7:
public static void main(String[] args) {
final ScheduledExecutorService executorService = Exec...
Uninitialized constant ActiveSupport::Dependencies::Mutex (NameError)
...For example:
require 'thread'
# Don't change this file!
# Configure your app in config/environment.rb and config/environments/*.rb
...
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How do I print out the contents of an object in Rails for easy debugging?
... in the View by using the debug' Helper ActionView::Helpers::DebugHelper
#app/view/controllers/post_controller.rb
def index
@posts = Post.all
end
#app/view/posts/index.html.erb
<%= debug(@posts) %>
#start your server
rails -s
results (in browser)
- !ruby/object:Post
raw_attributes:
...
C# - How to get Program Files (x86) on Windows 64 bit
... that the ProgramFiles(x86) environment variable is only available if your application is running 64-bit.
If your application is running 32-bit, you can just use the ProgramFiles environment variable whose value will actually be "Program Files (x86)".
...
Hex transparency in colors [duplicate]
I'm working on implementing a widget transparency option for my app widget although I'm having some trouble getting the hex color values right. Being completely new to hex color transparency I searched around a bit although I couldn't find a specific answer to my question.
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How do you tell the Visual Studio project type from an existing Visual Studio project
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In the project XML files:
Console applications contain:
<OutputType>Exe</OutputType>
WinForms applications contain:
<OutputType>WinExe</OutputType>
Library (.dll) projects contain:
<OutputType>Library</OutputType>
...
Cocoa Core Data efficient way to count entities
... the total number of instances of an entity in Core Data:
let context = (UIApplication.sharedApplication().delegate as! AppDelegate).managedObjectContext
let fetchRequest = NSFetchRequest(entityName: "MyEntity")
let count = context.countForFetchRequest(fetchRequest, error: nil)
I tested this in the...
How do I tell CPAN to install all dependencies?
...atest answer to this question is to use cpanm instead (also referred to as App::cpanminus or cpanminus)!
DESCRIPTION
cpanminus is a script to get, unpack, build and install modules from
CPAN and does nothing else.
It's dependency free (can bootstrap
itself), requires zero configu...