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What's the simplest way to print a Java array?
In Java, arrays don't override toString() , so if you try to print one directly, you get the className + '@' + the hex of the hashCode of the array, as defined by Object.toString() :
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How do I concatenate strings and variables in PowerShell?
Suppose I have the following snippet:
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What is the --save option for npm install?
I saw some tutorial where the command was:
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What does “program to interfaces, not implementations” mean?
One stumbles upon this phrase when reading about design patterns.
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Is it safe to ignore the possibility of SHA collisions in practice?
Let's say we have a billion unique images, one megabyte each.
We calculate the SHA-256 hash for the contents of each file.
The possibility of collision depends on:
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Check if something is (not) in a list in Python
I have a list of tuples in Python , and I have a conditional where I want to take the branch ONLY if the tuple is not in the list (if it is in the list, then I don't want to take the if branch)
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How do you append to a file in Python?
How do you append to the file instead of overwriting it? Is there a special function that appends to the file?
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Typing Enter/Return key using Python and Selenium?
I'm looking for a quick way to type and Enter or Return key in Selenium. Unfortunately the form I'm trying to test (not my own code so I can't modify) doesn't have a Submit button. When working with it manually, I just type ENTER or RETURN . I need to know how to do that with the Selenium type ...
Which terminal command to get just IP address and nothing else?
I'm trying to use just the IP address (inet) as a parameter in a script I wrote.
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What does enumerate() mean?
What does for row_number, row in enumerate(cursor): do in Python?
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