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Hashing a dictionary?
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If your dictionary is not nested, you could make a frozenset with the dict's items and use hash():
hash(frozenset(my_dict.items()))
This is much less computationally intensive than generating the JSON string or representat...
How to convert number to words in java
...= {
"",
" ten",
" twenty",
" thirty",
" forty",
" fifty",
" sixty",
" seventy",
" eighty",
" ninety"
};
private static final String[] numNames = {
"",
" one",
" two",
" three",
" four",
" five",
" six",
" seven",
" eigh...
Get decimal portion of a number with JavaScript
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(2.3 % 1).toFixed(4).substring(2) = "3000" if you need it without the 0.
– Simon_Weaver
Oct 2 '15 at 9:22
15
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Detect if a jQuery UI dialog box is open
I am using a jQuery UI dialog. If it is open, I want to do one thing. If it is closed, I want to do another.
5 Answers
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Insert an element at a specific index in a list and return the updated list
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If you can't tolerate 3 lines of readable code, put it in a function and call it.
– IceArdor
Aug 1 '14 at 21:06
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Filter dict to contain only certain keys?
...t[your_key] for your_key in your_keys }
Uses dictionary comprehension.
If you use a version which lacks them (ie Python 2.6 and earlier), make it dict((your_key, old_dict[your_key]) for ...). It's the same, though uglier.
Note that this, unlike jnnnnn's version, has stable performance (depends ...
How to check if an object is a list or tuple (but not string)?
...an be treated as a list. So, don't check for the type of a list, just see if it acts like a list.
But strings act like a list too, and often that is not what we want. There are times when it is even a problem! So, check explicitly for a string, but then use duck typing.
Here is a function I wro...
Get key by value in dictionary
...items(): # for name, age in dictionary.iteritems(): (for Python 2.x)
if age == search_age:
print(name)
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Check if a String contains numbers Java
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Modified, because if only one digit is present, the solution is good enough, no need to have 1 or more digits in this case.
– Yassin Hajaj
Mar 13 '19 at 22:42
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if, elif, else statement issues in Bash
I can't seem to work out what the issue with the following if statement is in regards to the elif and then . Keep in mind the printf is still under development I just haven't been able to test it yet in the statement so is more than likely wrong.
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