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Assign pandas dataframe column dtypes

...you have to use the explicit conversions: pd.to_datetime, pd.to_timedelta and pd.to_numeric (As mentioned below, no more "magic", convert_objects has been deprecated in 0.17) df = pd.DataFrame({'x': {0: 'a', 1: 'b'}, 'y': {0: '1', 1: '2'}, 'z': {0: '2018-05-01', 1: '2018-05-02'}}) df.dtypes x ...
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Set mouse focus and move cursor to end of input using jQuery

... Looks like clearing the value after focusing and then resetting works. input.focus(); var tmpStr = input.val(); input.val(''); input.val(tmpStr); share | improve this...
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How to invoke a Linux shell command from Java

I am trying to execute some Linux commands from Java using redirection (>&) and pipes (|). How can Java invoke csh or bash commands? ...
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Time complexity of Euclid's Algorithm

...ow what happens over two iterations: a', b' := a % b, b % (a % b) Now a and b will both decrease, instead of only one, which makes the analysis easier. You can divide it into cases: Tiny A: 2a <= b Tiny B: 2b <= a Small A: 2a > b but a < b Small B: 2b > a but b < a Equal: a ==...
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Generating an MD5 checksum of a file

Is there any simple way of generating (and checking) MD5 checksums of a list of files in Python? (I have a small program I'm working on, and I'd like to confirm the checksums of the files). ...
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how to show progress bar(circle) in an activity having a listview before loading the listview with d

... ListView in my second activity.OnItemClick of it I called a webservice and trying to fetch data. And after that I am moving to third activity which also have a ListView having description of previous activities ListView item. ...
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mysql - how many columns is too many?

...o you think that perhaps it's denormalized? Does that make SO database bad and Jeff Atwood crazy? – ChssPly76 Sep 25 '09 at 19:06 ...
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What is the difference between getFields and getDeclaredFields in Java reflection

I'm a little confused about the difference between the getFields method and the getDeclaredFields method when using Java reflection. ...
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How to merge a specific commit in Git

I have forked a branch from a repository in GitHub and committed something specific to me. Now I found the original repository had a good feature which was at HEAD . ...
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How can I wait for a thread to finish with .NET?

...your UI thread, however you get a Timeout built in for you. 2. Use a WaitHandle ManualResetEvent is a WaitHandle as jrista suggested. One thing to note is if you want to wait for multiple threads: WaitHandle.WaitAll() won't work by default, as it needs an MTA thread. You can get around this by mark...