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What is the difference between '>' and a space in CSS selectors?
What's the point using this syntax
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Is an index needed for a primary key in SQLite?
When an integer column is marked as a primary key in an SQLite table, should an index be explicitly created for it as well? SQLite does not appear to automatically create an index for a primary key column, but perhaps it indexes it anyway, given its purpose? (I will be searching on that column all t...
Pandas get topmost n records within each group
Suppose I have pandas DataFrame like this:
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How to open a file using the open with statement
I'm looking at how to do file input and output in Python. I've written the following code to read a list of names (one per line) from a file into another file while checking a name against the names in the file and appending text to the occurrences in the file. The code works. Could it be done bette...
Java JUnit: The method X is ambiguous for type Y
I had some tests working fine. Then, I moved it to a different package, and am now getting errors. Here is the code:
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List of remotes for a Git repository?
I have a Git repository. This repository has multiple remote repositories (I think). How can I get a list of the remote repositories that belong to said repository?
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Open a file with Notepad in C#
How I open a file in c#? I don't mean reading it by textreader and readline(). I mean open it as an independent file in notepad.
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What is the difference between svg's x and dx attribute?
What is the difference between svg's x and dx attribute (or y and dy)? When would be a proper time to use the axis shift attribute (dx) versus the location attribute (x)?
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What is the fastest or most elegant way to compute a set difference using Javascript arrays?
Let A and B be two sets. I'm looking for really fast or elegant ways to compute the set difference ( A - B or A \B , depending on your preference) between them. The two sets are stored and manipulated as Javascript arrays, as the title says.
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Do I need to manually close an ifstream?
Do I need to manually call close() when I use a std::ifstream ?
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