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How to add an empty column to a dataframe?

... @Griff - I've now updated my answer to be more accurate and explicit about version compatability issues. Thanks for highlighting this. – emunsing Nov 26 '19 at 21:36 ...
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How can I update window.location.hash without jumping the document?

...ge load. As an added bonus, you can even smooth scroll to it since you are now in control of the hash value... $(function(){ var h = window.location.hash.replace('panel-', ''); if (h) { $('#slider').scrollTo(h, 800); } }); If you need this to work at all times (and not just on...
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Adding a column to an existing table in a Rails migration

... @neeraj you probably have the answer by now but for other seekers, yes you can as in e.g. t.string :column_x, limit: 10, after: :column_y (for Rails 4 at least) – 244an May 15 '19 at 19:59 ...
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What is the recommended way to use Vim folding for Python code

...ldmethod=indent for Python. Then, in your .vimrc, set foldmethod=manual. Now, you can fold in both Python and non-Python with spacebar mapping – Lionel Jun 21 '12 at 21:54 a...
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How to remove the focus from a TextBox in WinForms?

... Thanks; I just tried focusing on a label and now the textbox becomes unfocused. It seems you cannot focus on a form for some reason. – Callum Rogers Jul 16 '09 at 21:05 ...
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Chrome refuses to execute an AJAX script due to wrong MIME type

... I had to add this as part of a security audit - now i don't know what to do!! :-( – James Poulose May 8 '18 at 20:02 add a comment ...
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How to run Rake tasks from within Rake tasks?

...reenable a build-task that is parametrized with a global variable, because now the different builds have different tasks. the codereuse of the build-task is done by reusing the code to define the build-tasks. see how the loop does not execute the same task twice, but instead created tasks, that can ...
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Pretty-Print JSON Data to a File using Python

...None, headers=None, force_auth_header=True) # now write output to a file twitterDataFile = open("twitterData.json", "w") # magic happens here to make it pretty-printed twitterDataFile.write(simplejson.dumps(simplejson.loads(output), indent=4, sort_keys=True)) twitterData...
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How can I force Powershell to return an array when a call only returns one object?

... Gah, this is what happened last time too, now I can't replicate it. At any rate I solved my recent problem by using Return ,$out which seems to always work. If I run into the problem again I'll post an example. – Deadly-Bagel Ju...
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How to change column datatype in SQL database without losing data

...; Uncheck --> Prevent saving changes that required table re-creation. Now you can easily change the column name without recreating the table or losing u r records. share | improve this answer ...