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Difference between java.io.PrintWriter and java.io.BufferedWriter?
...or BufferedWriter and PrintWriter detail the differences.
The main reason to use the PrintWriter is to get access to the printXXX methods like println(). You can essentially use a PrintWriter to write to a file just like you would use System.out to write to the console.
A BufferedWriter is an eff...
Python's json module, converts int dictionary keys to strings
...un, python's json module (included since 2.6) converts int dictionary keys to strings.
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Simple Vim commands you wish you'd known earlier [closed]
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I really wish I'd known that you can use CtrlC instead of Esc to switch out of insert mode. That's been a real productivity boost for me.
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Using the Android Application class to persist data
... requires a somewhat large amount of data about the application (I'd say a total of about 500KB -- is this large for a mobile device?). From what I can tell, any orientation change in the application (in the activity, to be more precise) causes a complete destruction and recreation of the activity....
Rails: Is there a rails trick to adding commas to large numbers?
Is there a way to have rails print out a number with commas in it?
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Sublime Text 2 - Show file navigation in sidebar
I just switched to Sublime Text as my new editor. If I open the sidebar it shows the opening file, but what I want is a file navigation sidebar, is it possible to change that without downloading plugins?
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Cron and virtualenv
I am trying to run a Django management command from cron. I am using virtualenv to keep my project sandboxed.
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What is the difference between GitHub and gist?
...s are a particular service offered on that site, namely code snippets akin to pastebin. However, everything is driven by git revision control, so gists also have complete revision histories.
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What is a serialVersionUID and why should I use it?
...on number, called a serialVersionUID, which is used during deserialization to verify that the sender and receiver of a serialized object have loaded classes for that object that are compatible with respect to serialization. If the receiver has loaded a class for the object that has a different seria...
Understanding prototypal inheritance in JavaScript
I am new to JavaScript OOP. Can you please explain the difference between the following blocks of code? I tested and both blocks work. What's the best practice and why?
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