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Check if a given key already exists in a dictionary
I wanted to test if a key exists in a dictionary before updating the value for the key.
I wrote the following code:
16 Answ...
How exactly does the python any() function work?
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How to write DataFrame to postgres table?
...taFrame.to_sql method, but it works only for mysql, sqlite and oracle databases. I cant pass to this method postgres connection or sqlalchemy engine.
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Position Absolute + Scrolling
...s position to relative makes the absolutely position elements inside of it base their position and height on it rather than on the .container div, which has a fixed height. Without the inner, relatively positioned div, the .full-height div will always calculate its dimensions and position based on ....
Python's “in” set operator
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Convert Unicode to ASCII without errors in Python
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It is sometimes desirable to remove accents from characters and print the base form. This can be accomplished with
>>> import unicodedata
>>> unicodedata.normalize('NFKD', u'aあä').encode('ascii', 'ignore')
'aa'
You may also want to translate other characters (such as punctua...
Rails 3: I want to list all paths defined in my rails application
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In HTML5, should the main navigation be inside or outside the element?
...o I'm going to lean in the direction of rules.
The examples you cite seem based upon the examples in the spec for the nav element. Remember that the spec keeps getting tweaked and the rules are sometimes convoluted, so I'd venture many people might tend to just do what's given rather than interpret...
New Line on PHP CLI
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Will writeToFile:atomically: overwrite data?
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