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How to find all occurrences of an element in a list?
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Sven MarnachSven Marnach
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Java Round up Any Number
...swer I'm looking for regarding a simple question: how do I round up any number to the nearest int ?
6 Answers
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Pandas - Get first row value of a given column
This seems like a ridiculously easy question... but I'm not seeing the easy answer I was expecting.
7 Answers
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How many and which are the uses of “const” in C++?
As a novice C++ programmer there are some constructs that look still very obscure to me, one of these is const . You can use it in so many places and with so many different effects that is nearly impossible for a beginner to come out alive. Will some C++ guru explain once forever the various uses a...
Message Queue vs Message Bus — what are the differences?
And are there any? To me, MB knows both subscribers and publishers and acts as a mediator, notifying subscribers on new messages (effectively a "push" model). MQ, on the other hand, is more of a "pull" model, where consumers pull messages off a queue.
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Joining two lists together
... try:
List<string> a = new List<string>();
List<string> b = new List<string>();
a.AddRange(b);
MSDN page for AddRange
This preserves the order of the lists, but it doesn't remove any duplicates which Union would do.
This does change list a. If you wanted to preserve the...
What is a stack trace, and how can I use it to debug my application errors?
...ead "main" java.lang.NullPointerException
at com.example.myproject.Book.getTitle(Book.java:16)
at com.example.myproject.Author.getBookTitles(Author.java:25)
at com.example.myproject.Bootstrap.main(Bootstrap.java:14)
This is a very simple stack trace. If we start at the begi...
Pretty git branch graphs
I've seen some books and articles have some really pretty looking graphs of git branches and commits. How can I make high-quality printable images of git history?
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How to ignore all hidden directories/files recursively in a git repository?
...wered Nov 5 '11 at 16:18
Daniel BöhmerDaniel Böhmer
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How do I lowercase a string in Python?
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edited Feb 13 '19 at 16:23
Alan W. Smith
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