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string.Format() giving “Input string is not in correct format”

... message "Input string was not in correct format" was not helpful to me at all. I thought one of my parameters was null or something. – styfle Aug 10 '12 at 16:59 add a commen...
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How to access pandas groupby dataframe by key

...df_list = map(lambda df_i: grouped.get_group(df_i), sampled_df_i) optionally - turn it all back into a single dataframe object sampled_df = pd.concat(df_list, axis=0, join='outer') share | impr...
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Titlecasing a string with exceptions

... Python to titlecase a string (i.e. words start with uppercase characters, all remaining cased characters have lowercase) but leaving articles like and , in , and of lowercased? ...
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Best way to add comments in erb

... you can embed every ruby code between: <%= and the other: %>, typically all written in one line. In addition, ruby one-line comments start always with #, so the <%=# Comment %> style matches perfectly with both pure-ruby and erb styles for one-line comments. ...
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Pushing read-only GUI properties back into ViewModel

... I wonder if you could do some trickery to automatically attach the properties, without needing Observe. But this looks like a fine solution. Thanks! – Joe White Jul 5 '09 at 12:58 ...
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How to align content of a div to the bottom

... I actually found that solution before asking here, but somehow forgot to add the position: relative; to the header div and the content kept landing at the bottom of the page. Thanks – kristof ...
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How to make git diff --ignore-space-change the default

... This should be the accepted answer, because it is actually useful with examples rather than 'go to this URL'. – DrStrangepork Feb 6 '15 at 3:59 7 ...
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Create a List of primitive int?

... add "int" into this list. When you add int to this list, it is automatically boxed to Integer wrapper type. But it is a bad idea to use raw type lists, or for any generic type for that matter, in newer code. I can add anything into this list. Of course, that is the dis-advantage of using r...
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Is there a valid reason for enforcing a maximum width of 80 characters in a code file, this day and

... I think the practice of keeping code to 80 (or 79) columns was originally created to support people editing code on 80-column dumb terminals or on 80-column printouts. Those requirement have mostly gone away now, but there are still valid reasons to keep the 80 column rule: To avoid wrapping...
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What is Ruby's double-colon `::`?

... :: is basically a namespace resolution operator. It allows you to access items in modules, or class-level items in classes. For example, say you had this setup: module SomeModule module InnerModule class MyClass ...