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Plot a bar using matplotlib using a dictionary

...e code does not work with Python 3. For Python 3, the D.keys() needs to be converted to a list. import matplotlib.pyplot as plt D = {u'Label1':26, u'Label2': 17, u'Label3':30} plt.bar(range(len(D)), D.values(), align='center') plt.xticks(range(len(D)), list(D.keys())) plt.show() ...
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How to add title to subplots in Matplotlib?

...ot #{}".format(i)) # 3 Create your arbitrary number of axes axs.ravel() converts your 2-dim object to a 1-dim vector in row-major style assigns the title to the current axis-object share | impro...
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How do I scroll the UIScrollView when the keyboard appears?

... It's good to convert activeField.frame to relative frame as activeField doesn't have to be an immediate child to self.view. Updated code should look something like: CGRect aRect = self.view.frame; aRect.size.height -= kbSize.height; CGRe...
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Can I redirect the stdout in python into some sort of string buffer?

... explicit save as I've done, since someone else could have replaced stdout and if you use stdout, you'd clobber their replacement. – Ned Batchelder Aug 2 '09 at 14:25 5 ...
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How can I check if the current date/time is past a set date/time?

... Check PHP's strtotime-function to convert your set date/time to a timestamp: http://php.net/manual/en/function.strtotime.php If strtotime can't handle your date/time format correctly ("4:00PM" will probably work but not "at 4PM"), you'll need to use string-f...
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How do I design a class in Python?

...one database. It internally would store a specific format but could easily convert to other formats when outputting (Postgres, MySQL, MongoDB). Now let's think through the Database object. What does this hide and store? Well clearly it can't store the full contents of the database, since that is wh...
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How to add a line break in C# .NET documentation

...can wrap text in <para></para> tags as a way to group the text and add the blank line after it, but there is no equivalent to <br /> or anything like that. (Which according to this old MS forum post is by design.) You can get the list of available tags in this documentation articl...
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How to use a custom comparison function in Python 3?

... Use the key argument (and follow the recipe on how to convert your old cmp function to a key function). functools has a function cmp_to_key mentioned at docs.python.org/3.6/library/functools.html#functools.cmp_to_key ...
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Hash function that produces short hashes?

Is there a way of encryption that can take a string of any length and produce a sub-10-character hash? I want to produce reasonably unique ID's but based on message contents, rather than randomly. ...
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How to get a time zone from a location using latitude and longitude coordinates?

...st of the methods listed will return an IANA time zone id. If you need to convert to a Windows time zone for use with the TimeZoneInfo class in .NET, use the TimeZoneConverter library. Don't use zone.tab The tz database includes a file called zone.tab. This file is primarily used to present a list...