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Why do we check up to the square root of a prime number to determine if it is prime?
To test whether a number is prime or not, why do we have to test whether it is divisible only up to the square root of that number?
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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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Renew Provisioning Profile
...r device (in the left list)
Click on "Add device to provisioning portal"
Wait until it's done !
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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 ...
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...
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...
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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WCF chokes on properties with no “set ”. Any workaround?
...d setter, so that only subclasses (and the DataContractSerializer, because it cheats :) may modify the value.
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