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How to extract URL parameters from a URL with Ruby or Rails?
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162
I think you want to turn any given URL string into a HASH?
You can try http://www.ruby-doc.org/...
How to check the version of GitLab?
...ttps://your.domain.name/help
It shows something similar to:
GitLab 6.6.4 42e34ae
GitLab is open source software to collaborate on code.
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etc.
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How to convert floats to human-readable fractions?
...e 0.33 , we need to output 1/3 .
If we have 0.4 , we need to output 2/5 .
26 Answers
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What's the difference between echo, print, and print_r in PHP?
... or false and '':
array(4) {
[0]=>
int(0)
[1]=>
float(0)
[2]=>
bool(false)
[3]=>
string(0) ""
}
Array
(
[0] => 0
[1] => 0
[2] =>
[3] =>
)
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Making an array of integers in iOS
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edited Jul 31 '19 at 12:44
jeprubio
12.8k44 gold badges2929 silver badges4444 bronze badges
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Convert floating point number to a certain precision, and then copy to string
I have a floating point number, say 135.12345678910 . I want to concatenate that value to a string, but only want 135.123456789 . With print, I can easily do this by doing something like:
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How do I calculate someone's age in Java?
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28 Answers
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Python module os.chmod(file, 664) does not change the permission to rw-rw-r— but -w--wx----
...ve the same result.
What you are doing is passing 664 which in octal is 1230
In your case you would need
os.chmod("/tmp/test_file", 436)
[Update] Note, for Python 3 you have prefix with 0o (zero oh). E.G, 0o666
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Difference between DateTime and Time in Ruby
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Newer versions of Ruby (2.0+) do not really have significant differences between the two classes. Some libraries will use one or the other for historical reasons, but new code does not necessarily need to be concerned. Picking one for consistency is...
VBoxManage: error: Failed to create the host-only adapter
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32 Answers
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