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How can I use pickle to save a dict?
I have looked through the information that the Python docs give, but I'm still a little confused. Could somebody post sample code that would write a new file then use pickle to dump a dictionary into it?
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How do you convert a jQuery object into a string?
...that's the case, something like this will do the trick:
$('<div>').append($('#item-of-interest').clone()).html();
This is explained in more depth here, but essentially you make a new node to wrap the item of interest, do the manipulations, remove it, and grab the HTML.
If you're just afte...
Finding all possible permutations of a given string in python
I have a string. I want to generate all permutations from that string, by changing the order of characters in it. For example, say:
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How to download HTTP directory with all files and sub-directories as they appear on the online files
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Doesn't work with certain https. @DaveLucre if you tried with wget in cmd solution you would be able to download as well, but some severs do not allow it I guess
– Yannis Dran
May 4 '19 at 3:02
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Is it possible to view bytecode of Class file? [duplicate]
Java source code is compiled into bytecode, which is actually in the class file. Is it possible to view bytecode of a compiled class?
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Get last record in a queryset
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You could simply do something like this, using reverse():
queryset.reverse()[0]
Also, beware this warning from the Django documentation:
... note that reverse() should
generally only be called on a QuerySet
which has a defined ...
What characters are valid for JavaScript variable names?
Which characters can be used for naming a JavaScript variable?
12 Answers
12
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How can you determine a point is between two other points on a line segment?
Let's say you have a two dimensional plane with 2 points (called a and b) on it represented by an x integer and a y integer for each point.
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Convert to/from DateTime and Time in Ruby
..._time
to_time(new_offset(DateTime.now.offset-offset), :local)
end
private
def to_time(dest, method)
#Convert a fraction of a day to a number of microseconds
usec = (dest.sec_fraction * 60 * 60 * 24 * (10**6)).to_i
Time.send(method, dest.year, dest.month, dest.day, dest.hour, d...
Write a function that returns the longest palindrome in a given string
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You can find the the longest palindrome using Manacher's Algorithm in O(n) time! Its implementation can be found here and here.
For input String s = "HYTBCABADEFGHABCDEDCBAGHTFYW1234567887654321ZWETYGDE" it finds the correct output which is 123456788765...