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How to make lists contain only distinct element in Python? [duplicate]
...s to convert to a set then back to a list:
my_list = list(set(my_list))
One disadvantage with this is that it won't preserve the order. You may also want to consider if a set would be a better data structure to use in the first place, instead of a list.
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What's the difference between findAndModify and update in MongoDB?
... no other update operation interfering with it?
– chaonextdoor
May 28 '12 at 4:44
79
@chaonextdoo...
What's so bad about in-line CSS?
... image. I get the feeling that this is "bad coding", since it's so rarely done in examples.
19 Answers
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Form inside a table
...t allowed to be a child element of a table, tbody or tr. Attempting to put one there will tend to cause the browser to move the form to it appears after the table (while leaving its contents — table rows, table cells, inputs, etc — behind).
You can have an entire table inside a form. You can ha...
Gradients on UIView and UILabels On iPhone [duplicate]
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You could also use a graphic image one pixel wide as the gradient, and set the view property to expand the graphic to fill the view (assuming you are thinking of a simple linear gradient and not some kind of radial graphic).
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How to make the 'cut' command treat same sequental delimiters as one?
...1 WARNING: THIS IS NOT THE SAME THING AS TREATING SEQUENTIAL DELIMETERS AS ONE. Compare echo "a b c" | cut -d " " -f2-, echo "a b c" | tr -s " " | cut -d " " -f2-
– user541686
Jul 21 '19 at 10:01
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Combining CSS Pseudo-elements, “:after” the “:last-child”
...ti-browser, Firefox likes it)
li { display: inline; list-style-type: none; }
li:after { content: ", "; }
li:last-child:before { content: "and "; }
li:last-child:after { content: "."; }
<html>
<body>
<ul>
<li>One</li>
<li>Two</li&g...
Introducing FOREIGN KEY constraint may cause cycles or multiple cascade paths - why?
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Because Stage is required, all one-to-many relationships where Stage is involved will have cascading delete enabled by default. It means, if you delete a Stage entity
the delete will cascade directly to Side
the delete will cascade directly to Card and b...
Difference between static and shared libraries?
...h are used to reference .dll files, but they act the same way as the first one].
There are advantages and disadvantages in each method:
Shared libraries reduce the amount of code that is duplicated in each program that makes use of the library, keeping the binaries small. It also allows you to re...
What algorithm gives suggestions in a spell checker?
...ansposed letters, single/double letter, and even a simplistic Soundex-like one to catch phonetic misspellings. In practice, I found simplistic pronunciation ones to go a long way and essentially obsolete some of the ones designed to find trivial typos.
So now you look up misspellings in each of th...