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Why extend the Android Application class?
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Offhand, I can't think of a real scenario in which extending Application is either preferable to another approach or necessary to accomplish something. If you have an expensive, frequently used object you can initialize it in an ...
How to scale threads according to CPU cores?
...termined the number of processors available, create that number of threads and split up your work accordingly.
Update: To further clarify, a Thread is just an Object in Java, so you can create it just like you would create any other object. So, let's say that you call the above method and find tha...
What is Serialization?
I am getting started with Object-Oriented Programming (OOP) and would like to know: what is the meaning of serialization in OOP parlance?
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Import existing source code to GitHub
...itbucket/github, then push up your source)
Create the remote repository, and get the URL such as git@github.com:/youruser/somename.git or https://github.com/youruser/somename.git
If your local GIT repo is already set up, skips steps 2 and 3
Locally, at the root directory of your source, git ini...
Symbolic links and synced folders in Vagrant
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I suspect the OP and many people viewing this question were using the term "shared" and "synced" interchangeably. Note the OP's second bullet point which strongly implies he was using shared folders, but tried switching to an rsynced folder b...
Signing a Windows EXE file
...n Tool
You download it as part of the Windows SDK for Windows Server 2008 and .NET 3.5. Once downloaded you can use it from the command line like so:
signtool sign /a MyFile.exe
This signs a single executable, using the "best certificate" available. (If you have no certificate, it will show a...
What is the Swift equivalent of respondsToSelector?
...ional unwrapper operator. This allows you to call a method on an object if and only if the object exists (not nil) and the method is implemented.
In the case where you still need respondsToSelector:, it is still there as part of the NSObject protocol.
If you are calling respondsToSelector: on an O...
ProcessBuilder: Forwarding stdout and stderr of started processes without blocking the main thread
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For Java 6 and earlier, it seems this is the only solution. For java 7 and up, see the other answer about ProcessBuilder.inheritIO()
– LordOfThePigs
Jan 5 '13 at 5:39
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In-memory size of a Python structure
Is there a reference for the memory size of Python data stucture on 32- and 64-bit platforms?
7 Answers
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How do I avoid the specification of the username and password at every git push?
...es, depending on how your remote is set up.
If it is a GitHub repository and you have administrative privileges, go to settings and click 'add SSH key'. Copy the contents of your ~/.ssh/id_rsa.pub into the field labeled 'Key'.
If your repository is administered by somebody else, give the administr...