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Python: TypeError: cannot concatenate 'str' and 'int' objects [duplicate]

... There are two ways to fix the problem which is caused by the last print statement. You can assign the result of the str(c) call to c as correctly shown by @jamylak and then concatenate all of the strings, or you can replace the last print simply with this: print "a + b as int...
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Class type check in TypeScript

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Create Django model or update if exists

... create or update an object, the .save() method already has this behaviour by default, from the docs: Django abstracts the need to use INSERT or UPDATE SQL statements. Specifically, when you call save(), Django follows this algorithm: If the object’s primary key attribute is set to a value that e...
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Transparent ARGB hex value

... Transparency is controlled by the alpha channel (AA in #AARRGGBB). Maximal value (255 dec, FF hex) means fully opaque. Minimum value (0 dec, 00 hex) means fully transparent. Values in between are semi-transparent, i.e. the color is mixed with the backg...
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Are PHP short tags acceptable to use?

...be supported on a server? MYSQL vs MYSQLI? You will waste your time little by little, again and again writing long tags just to avoid a tiny chance of spending a little time to change to a better host. – Dean Or Jun 28 '14 at 21:01 ...
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How to convert a string or integer to binary in Ruby?

... Brilliant Mike, Brilliant Ruby! – Tamer Shlash May 15 '14 at 20:13 4 ...
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Is there any haskell function to concatenate list with separator?

... joinBy sep cont = drop (length sep) $ concat $ map (\w -> sep ++ w) cont share | improve this answer | ...
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How to detect pressing Enter on keyboard using jQuery?

... @mplungjan not sure what you mean by "delegating" – Andrea Nov 8 '19 at 12:52 ...
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How to view the list of compile errors in IntelliJ?

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How to set a border for an HTML div tag

...e border to show up. border:thin only sets the width. Also, the color will by default be the same as the text color (which normally doesn't look good). I recommend setting all three styles: style="border: thin solid black" ...