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What is a Manifest in Scala and when do you need it?
Since Scala 2.7.2 there is something called Manifest which is a workaround for Java's type erasure. But how does Manifest work exactly and why / when do you need to use it?
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How does OpenID authentication work?
I am a little curious to know about how OpenID authentication works.
4 Answers
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Parsing a comma-delimited std::string [duplicate]
If I have a std::string containing a comma-separated list of numbers, what's the simplest way to parse out the numbers and put them in an integer array?
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ipython notebook clear cell output in code
In a iPython notebook, I have a while loop that listens to a Serial port and print the received data in real time.
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Test if executable exists in Python?
In Python, is there a portable and simple way to test if an executable program exists?
21 Answers
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0.1 float is greater than 0.1 double. I expected it to be false [duplicate]
... say the answer depends on the rounding mode when converting the double to float. float has 24 binary bits of precision, and double has 53. In binary, 0.1 is:
0.1₁₀ = 0.0001100110011001100110011001100110011001100110011…₂
^ ^ ^ ^
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How to split text without spaces into list of words?
...o real-world data. Here is a 20-line algorithm that exploits relative word frequency to give accurate results for real-word text.
(If you want an answer to your original question which does not use word frequency, you need to refine what exactly is meant by "longest word": is it better to have a 20...
Get the distance between two geo points
...h checks the nearest place where a user is. I can easily get the location of the user and I have already a list of places with latitude and longitude.
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Express.js: how to get remote client address
I don't completely understand how I should get a remote user IP address.
16 Answers
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Why modelVersion of pom.xml is necessary and always set to 4.0.0?
...d that Maven's <modelVersion></modelVersion> of pom.xml is always set to 4.0.0.
4 Answers
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