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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...
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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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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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)".
...
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.
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How do you tell the Visual Studio project type from an existing Visual Studio project
...
In the project XML files:
Console applications contain:
<OutputType>Exe</OutputType>
WinForms applications contain:
<OutputType>WinExe</OutputType>
Library (.dll) projects contain:
<OutputType>Library</OutputType>
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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...
Eliminate extra separators below UITableView
...thod returns either a UIView or nil. If you accidentally return void, your app will crash!
– arlomedia
Sep 5 '12 at 18:44
4
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What is the --save option for npm install?
..._modules by default. When you were trying to install dependencies for your app/module, you would need to first install them, and then add them (along with the appropriate version number) to the dependencies section of your package.json.
The --save option instructed NPM to include the package inside...
Sqlite or MySql? How to decide? [closed]
...e only choice and there are plenty of others which might be better for new applications (for example pgSQL).
Sqlite is a very, very nice piece of software, but it has never made claims to do any of these things that RDBMS servers do. It's a small library which runs SQL on local files (using locking...