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Computational complexity of Fibonacci Sequence
I understand Big-O notation, but I don't know how to calculate it for many functions. In particular, I've been trying to figure out the computational complexity of the naive version of the Fibonacci sequence:
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Should I always return IEnumerable instead of IList?
When I'm writing my DAL or other code that returns a set of items, should I always make my return statement:
14 Answers
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Selenium wait until document is ready
Can anyone let me how can I make selenium wait until the time the page loads completely? I want something generic, I know I can configure WebDriverWait and call something like 'find' to make it wait but I don't go that far. I just need to test that the page loads successfully and move on to next pag...
How to check if a file contains a specific string using Bash
... a file contains a specific string or not in bash. I used this script, but it doesn't work:
11 Answers
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In Intellij IDEA how do I replace text with a new line?
Say I wanted to replace all commas with commas and a new line using Intellij IDEA's replace function. What do I put in the search box? In vim I'd use &\r
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Displaying better error message than “No JSON object could be decoded”
...dule is vague. For instance, for the case of having a comma after the last item in a list:
json.loads('[1,2,]')
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ValueError: No JSON object could be decoded
which is not very descriptive. The same operation with simplejson:
simplejson.loads('[1,2,]')
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simplejson.decoder.JSONDecodeError: E...
Where can I find my .emacs file for Emacs running on Windows?
...he .emacs file for my Windows installation for Emacs, but I could not find it. Does it have the same filename under Windows as in Unix?
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File changed listener in Java
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At the low level the only way to model this utility is to have a thread polling on a directory and keeping a watch on the attributes of the file. But you can use patterns to develop a adapter for such a utility.
For example j2ee application servers like Tomcat and others ...
Learning WebGL and three.js [closed]
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Since you have big ambitions, you have to invest the time to learn the fundamentals. It is not a matter of what you learn first -- you can learn them simultaneously if you want to. (That's what I did.)
This means that you need to understand:
We...
Value Change Listener to JTextField
...y after the user changes the value in the textfield. Currently, I need to hit the enter key to get the message box to pop out. Is there anything wrong with my code?
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