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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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John Carmack's Unusual Fast Inverse Square Root (Quake III)
John Carmack has a special function in the Quake III source code which calculates the inverse square root of a float, 4x faster than regular (float)(1.0/sqrt(x)) , including a strange 0x5f3759df constant. See the code below. Can someone explain line by line what exactly is going on here and why t...
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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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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How to remove an element from an array in Swift
How can I unset/remove an element from an array in Apple's new language Swift?
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