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sed in-place flag that works both on Mac (BSD) and Linux
Is there an invocation of sed todo in-place editing without backups that works both on Linux and Mac? While the BSD sed shipped with OS X seems to need sed -i '' … , the GNU sed Linux distributions usually come with interprets the quotes as empty input file name (instead of the backup exten...
How to find out if an item is present in a std::vector?
All I want to do is to check whether an element exists in the vector or not, so I can deal with each case.
18 Answers
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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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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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hunterhunter
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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...
Push to GitHub without a password using ssh-key
I generated an SSH key pair without a password and added the public key to GitHub.
6 Answers
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