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What is the “continue” keyword and how does it work in Java?
I saw this keyword for the first time and I was wondering if someone could explain to me what it does.
13 Answers
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How to merge dictionaries of dictionaries?
I need to merge multiple dictionaries, here's what I have for instance:
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What does “O(1) access time” mean?
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You're going to want to read up on Order of complexity.
http://en.wikipedia.org/wiki/Big_O_notation
In short, O(1) means that it takes a constant time, like 14 nanoseconds, or three minutes no matter the amount of data in the set.
O(n) means it takes an amo...
What exactly is Heroku?
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Heroku is a cloud platform as a service. That means you do not have to worry about infrastructure; you just focus on your application.
In addition to what Jonny said, there are a few features of Heroku:
Instant Deployment with Git push - build o...
How do I get the path of the current executed file in Python?
... seem like a newbie question, but it is not. Some common approaches don't work in all cases:
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How to find the Git commit that introduced a string in any branch?
...mmit in
any branch, how can I do that? I found something (that I modified for Win32),
but git whatchanged doesn't seem to be looking into the different branches
(ignore the py3k chunk, it's just a msys/win line feed fix)
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What's better at freeing memory with PHP: unset() or $var = null
...ting to know if one is better than the other. I have been using unset() for most of my coding, but I've recently looked through a few respectable classes found off the net that use $var = null instead.
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Purpose of Trigraph sequences in C++?
According to C++'03 Standard 2.3/1:
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Android equivalent to NSNotificationCenter
In the process of porting an iPhone application over to android, I am looking for the best way to communicate within the app. Intents seem to be the way to go, is this the best (only) option? NSUserDefaults seems much lighter weight than Intents do in both performance and coding.
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How to change the default encoding to UTF-8 for Apache?
I am using a hosting company and it will list the files in a directory if the file index.html is not there, it uses iso-8859-1 as the default encoding.
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