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Why do we need break after case statements?
Why doesn't the compiler automatically put break statements after each code block in the switch? Is it for historical reasons? When would you want multiple code blocks to execute?
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Calculating Pearson correlation and significance in Python
I am looking for a function that takes as input two lists, and returns the Pearson correlation , and the significance of the correlation.
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Replace a string in a file with nodejs
I use the md5 grunt task to generate MD5 filenames. Now I want to rename the sources in the HTML file with the new filename in the callback of the task. I wonder what's the easiest way to do this.
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What is the instanceof operator in JavaScript?
The instanceof keyword in JavaScript can be quite confusing when it is first encountered, as people tend to think that JavaScript is not an object-oriented programming language.
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How do I implement a callback in PHP?
How are callbacks written in PHP?
9 Answers
9
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Pointer arithmetic for void pointer in C
...cremented, how does it get to point x bytes ahead? How does the compiler know to add x to value of the pointer?
8 Answe...
Fixed Table Cell Width
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How to prettyprint a JSON file?
...json.loads(your_json)
>>> print(json.dumps(parsed, indent=4, sort_keys=True))
[
"foo",
{
"bar": [
"baz",
null,
1.0,
2
]
}
]
To parse a file, use json.load():
with open('filename.txt', 'r') as handle:
pars...
How can I check if multiplying two numbers in Java will cause an overflow?
...ase where multiplying two numbers together causes an overflow. The code looks something like this:
14 Answers
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JavaScript: Object Rename Key
Is there a clever (i.e. optimized) way to rename a key in a javascript object?
23 Answers
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