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What are Runtime.getRuntime().totalMemory() and freeMemory()?
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According to the API
totalMemory()
Returns the total amount of memory in the Java virtual machine. The value returned by this method may vary over time, depending on the host environment.
Note that the amount of memory required to hold an o...
Can I zip more than two lists together in Scala?
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I don't believe it's possible to generate a list of tuples of arbitrary size, but the transpose function does exactly what you need if you don't mind getting a list of lists instead.
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Does Foreign Key improve query performance?
Suppose I have 2 tables, Products and ProductCategories. Both tables have relationship on CategoryId. And this is the query.
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What are the differences between delegates and events?
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An Event declaration adds a layer of abstraction and protection on the delegate instance. This protection prevents clients of the delegate from resetting the delegate and its invocation list and only allows adding or removing targets from the invocation list.
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How to check if a String contains only ASCII?
...g) method which relies on the factory method ascii() rather than the now deprecated ASCII singleton.
Here ASCII includes all ASCII characters including the non-printable characters lower than 0x20 (space) such as tabs, line-feed / return but also BEL with code 0x07 and DEL with code 0x7F.
This cod...
Constantly print Subprocess output while process is running
To launch programs from my Python-scripts, I'm using the following method:
13 Answers
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Is it possible to specify your own distance function using scikit-learn K-Means Clustering?
Is it possible to specify your own distance function using scikit-learn K-Means Clustering?
8 Answers
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Regular Expression For Duplicate Words
I'm a regular expression newbie, and I can't quite figure out how to write a single regular expression that would "match" any duplicate consecutive words such as:
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How to get primary key column in Oracle?
I need to get the name of the primary key column.
5 Answers
5
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Getting parts of a URL (Regex)
Given the URL (single line):
http://test.example.com/dir/subdir/file.html
25 Answers
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