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Identify duplicates in a List
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The method add of Set returns a boolean whether a value already exists (true if it does not exist, false if it already exists, see Set documentation).
So just iterate through all the values:
public Set<Integer> findDuplicates(List<I...
How to split data into training/testing sets using sample function
I've just started using R and I'm not sure how to incorporate my dataset with the following sample code:
23 Answers
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Can I use my existing git repo with openshift?
...ose that are not into different files. For example, I separate my database settings from other settings into different files as:
settings_deploy/openshift
settings_deploy/localhost
and then symlink to your localhost test as something like:
ln -s settings_deploy/localhost settings_deploy_file
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How to append text to a text file in C++?
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@Dženan. C being a subset of C++ does not invalidate this approach.
– Osaid
Sep 12 '14 at 9:13
6
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How can I output UTF-8 from Perl?
...m using Mac OS X 10.5 (Leopard), and I'm editing with TextMate. All of my settings for both my editor and operating system are defaulted to writing files in utf-8 format.
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Is there a Python equivalent to Ruby's string interpolation?
...ation similar to Ruby's string interpolation. Starting with that version of Python (which is scheduled to be released by the end of 2016), you will be able to include expressions in "f-strings", e.g.
name = "Spongebob Squarepants"
print(f"Who lives in a Pineapple under the sea? {name}.")
Prior t...
How to make a smooth image rotation in Android?
.../linear_interpolator"
Special Note: If your rotate animation is inside a set, setting the interpolator does not seem to work. Making the rotate the top element fixes it. (this will save your time.)
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How can I check if character in a string is a letter? (Python)
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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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Python: reload component Y imported with 'from X import Y'?
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If Y is a module (and X a package) reload(Y) will be fine -- otherwise, you'll see why good Python style guides (such as my employer's) say to never import anything except a module (this is one out of many great reasons -- yet...