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What's wrong with Java Date & Time API? [closed]
...e are a similar number of ++ and -- on the months in order to convert to a string.
They're mutable. As a result, any time you want to give a date back (say, as an instance structure) you need to return a clone of that date instead of the date object itself (since otherwise, people can mutate your st...
How to serialize a JObject without the formatting?
...with LINQ to JSON (also provided by the same library). When I call the ToString() method on the JObject , it outputs the results as formatted JSON.
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How do I find the last occurrence of a substring in an NSString?
How would I get the last occurrence of an NSString within another NSString? For example, in "abc def ghi abc def ghi," I want to find the index of the second "abc," not the first. I know I could do this with a bunch of rangeOfStrings, but is there already a function for that?
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INSERT INTO vs SELECT INTO
... can be created: You have a small table with a varchar field. The largest string in your table now is 12 bytes. Your real data set will need up to 200 bytes. If you do SELECT INTO from your small table to make a new one, the later INSERT will fail with a truncation error because your fields are t...
Difference between map, applymap and apply methods in Pandas
...thon functions can be used, too. Suppose you wanted to compute a formatted string from each floating point value in frame. You can do this with applymap:
In [120]: format = lambda x: '%.2f' % x
In [121]: frame.applymap(format)
Out[121]:
b d e
Utah -0.03 1.08 1.28
Ohi...
Django: reverse accessors for foreign keys clashing
...name of the concrete model in each one, which you can do with some special string substitution:
create_user = models.ForeignKey(User, related_name='%(class)s_requests_created')
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Use JavaScript to place cursor at end of text in text input element
...spaces. For this you can use a huge number that should be larger than your string.
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Importing data from a JSON file into R
... file into R? More specifically, the file is an array of JSON objects with string fields, objects, and arrays. The RJSON Package isn't very clear on how to deal with this http://cran.r-project.org/web/packages/rjson/rjson.pdf .
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New Line on PHP CLI
...double quotes, not single quotes.
http://php.net/manual/en/language.types.string.php
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How do you determine which backend is being used by matplotlib?
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Use the get_backend() function to obtain a string denoting which backend is in use:
>>> import matplotlib
>>> matplotlib.get_backend()
'TkAgg'
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