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How to Replace dot (.) in a string in Java
I have a String called persons.name
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How do I sort a dictionary by value?
I have a dictionary of values read from two fields in a database: a string field and a numeric field. The string field is unique, so that is the key of the dictionary.
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How to grant remote access permissions to mysql server for user?
If I do SHOW GRANTS in my mysql database I get
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How to create directories recursively in ruby?
I want to store a file as /a/b/c/d.txt, but I do not know if any of these directories exist and need to recursively create them if necessary.
How can one do this in ruby?
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Check if all values of array are equal
I need to find arrays where all values are equal. What's the fastest way to do this? Should I loop through it and just compare values?
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Why is “if not someobj:” better than “if someobj == None:” in Python?
I've seen several examples of code like this:
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How do I select an element in jQuery by using a variable for the ID?
For example, the following selects a division with id="2":
6 Answers
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Rotating a two-dimensional array in Python
In a program I'm writing the need to rotate a two-dimensional array came up. Searching for the optimal solution I found this impressive one-liner that does the job:
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DbArithmeticExpression arguments must have a numeric common type
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Insert new item in array on any position in PHP
How can I insert a new item into an array on any position, for example in the middle of array?
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