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Python: fastest way to create a list of n lists
...pty((n, 0)).tolist()
but this is actually 2.5 times slower than the list comprehension.
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Difference between `const shared_ptr` and `shared_ptr`?
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How do I append text to a file?
... @UselesssCat when something goes "permission denied", I re-check whatever command I'm running and then use sudo !! - which executes the last command with sudo prepended. I recently found out this also works with nano etc (by accidentally trying to nano nano auth...)
– Sandra
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What is the @Html.DisplayFor syntax for?
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Simple basic explanation of a Distributed Hash Table (DHT)
... redistribute keys when a node joins so that the load is roughly balanced. Come to think of it, how do you evenly distribute keys anyhow? And when a node joins, how do you avoid rehashing everything? (Remember you'd have to do this in a normal hash table if you increase the number of buckets).
One ...
How to read a single char from the console in Java (as the user types it)?
... mode (line editing with enter key required.) On UNIX systems, the 'stty' command can change modes.
Now, with respect to Java... see Non blocking console input in Python and Java. Excerpt:
If your program must be console based,
you have to switch your terminal out
of line mode into charac...
Java SafeVarargs annotation, does a standard or best practice exist?
I've recently come across the java @SafeVarargs annotation. Googling for what makes a variadic function in Java unsafe left me rather confused (heap poisoning? erased types?), so I'd like to know a few things:
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