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How does type Dynamic work and how to use it?
I heard that with Dynamic it is somehow possible to do dynamic typing in Scala. But I can't imagine how that might look like or how it works.
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What is the purpose of setting a key in data.table?
I am using data.table and there are many functions which require me to set a key (e.g. X[Y] ). As such, I wish to understand what a key does in order to properly set keys in my data tables.
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How to insert a SQLite record with a datetime set to 'now' in Android application?
Say, we have a table created as:
10 Answers
10
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How to print a dictionary line by line in Python?
This is the dictionary
13 Answers
13
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Are “while(true)” loops so bad? [closed]
I've been programming in Java for several years now, but I just recently returned to school to get a formal degree. I was quite surprised to learn that, on my last assignment, I lost points for using a loop like the one below.
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How do I create a URL shortener?
I want to create a URL shortener service where you can write a long URL into an input field and the service shortens the URL to " http://www.example.org/abcdef ".
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Is there a label/goto in Python?
Is there a goto or any equivalent in Python to be able to jump to a specific line of code?
18 Answers
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In Python, how do I index a list with another list?
I would like to index a list with another list like this
7 Answers
7
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How to implement one-to-one, one-to-many and many-to-many relationships while designing tables?
Can anyone explain how to implement one-to-one, one-to-many and many-to-many relationships while designing tables with some examples?
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Understanding Magento Block and Block Type
I just want to understand the meaning of
5 Answers
5
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