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Remove an item from a dictionary when its key is unknown

...not do what you want: >>> some_dict = {1: "Hello", 2: "Goodbye", 3: "You say yes", 4: "I say no"} >>> value_to_remove = "You say yes" >>> some_dict = {key: value for key, value in some_dict.items() if value is not value_to_remove} >>> some_dict {1: 'Hello', 2: 'G...
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What is the difference between dict.items() and dict.iteritems() in Python2?

...items(). The original remains for backwards compatibility. One of Python 3’s changes is that items() now return iterators, and a list is never fully built. The iteritems() method is also gone, since items() in Python 3 works like viewitems() in Python 2.7. ...
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anchor jumping by using javascript

...e.net/DerekL/rEpPA/ Another one w/ transition: http://jsfiddle.net/DerekL/x3edvp4t/ You can also use .scrollIntoView: document.getElementById(h).scrollIntoView(); //Even IE6 supports this (Well I lied. It's not complicated at all.) ...
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Change the color of glyphicons to blue in some- but not at all places using Bootstrap 2

... answered Aug 20 '13 at 12:32 Vikas GhodkeVikas Ghodke 6,29855 gold badges2323 silver badges3737 bronze badges ...
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How to remove all leading zeroes in a string

... answered Feb 23 '11 at 23:36 lonesomedaylonesomeday 207k4545 gold badges296296 silver badges306306 bronze badges ...
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Warning message: In `…` : invalid factor level, NA generated

... "Type" to be a character. > fixed <- data.frame("Type" = character(3), "Amount" = numeric(3)) > str(fixed) 'data.frame': 3 obs. of 2 variables: $ Type : Factor w/ 1 level "": NA 1 1 $ Amount: chr "100" "0" "0" > > fixed <- data.frame("Type" = character(3), "Amount" = nume...
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How do you generate dynamic (parameterized) unit tests in python?

...r/local/lib/python2.7/site-packages/parameterized/parameterized.py", line 233, in <lambda> standalone_func = lambda *a: func(*(a + p.args), **p.kwargs) File "x.py", line 12, in test_sequence self.assertEqual(a,b) AssertionError: 'a' != 'b' For historical reasons I'll leave the orig...
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Printf width specifier to maintain precision of floating-point value

... 93 I recommend @Jens Gustedt hexadecimal solution: use %a. OP wants “print with maximum precisio...
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How can I pass a list as a command-line argument with argparse?

...lt;Required> Set flag', required=True) # Use like: # python arg.py -l 1234 2345 3456 4567 nargs='+' takes 1 or more arguments, nargs='*' takes zero or more. append parser.add_argument('-l','--list', action='append', help='<Required> Set flag', required=True) # Use like: # python arg.py ...
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Dynamically creating keys in a JavaScript associative array

... | edited Aug 3 '12 at 1:40 bkaid 48.4k2020 gold badges107107 silver badges126126 bronze badges ...