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Replacing blank values (white space) with NaN in pandas

I want to find all values in a Pandas dataframe that contain whitespace (any arbitrary amount) and replace those values with NaNs. ...
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Android studio logcat nothing to show

I installed Android Studio yesterday, and I tried to use the LogCat to see the logs. But there is nothing to show in the logcat. I used the terminal to run ./adb logcat and it works. ...
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Calculate a Running Total in SQL Server

Imagine the following table (called TestTable ): 15 Answers 15 ...
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SQL command to display history of queries

... try cat ~/.mysql_history this will show you all mysql commands ran on the system share | improve this answer | follow | ...
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Where can I download Spring Framework jars without using Maven?

...is maven repo where you could download from directly a zip file containing all the jars you need. http://maven.springframework.org/release/org/springframework/spring/ http://repo.spring.io/release/org/springframework/spring/ Alternate solution: Maven The solution I prefer is using Maven, it is eas...
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Is HttpClient safe to use concurrently?

In all the examples I can find of usages of HttpClient , it is used for one off calls. But what if I have a persistent client situation, where several requests can be made concurrently? Basically, is it safe to call client.PostAsync on 2 threads at once against the same instance of HttpClient . ...
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Android - get children inside a View?

... If you not only want to get all direct children but all children's children and so on, you have to do it recursively: private ArrayList<View> getAllChildren(View v) { if (!(v instanceof ViewGroup)) { ArrayList<View> viewArrayLi...
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How to terminate a window in tmux?

... This works fine: Ctrl+b &, note, that you have to confirm with y to really kill the current window incluning all panes in that window. You will get be placed inside the window that you used last before that. – rubo77 Sep 1 '16 at 5:02 ...
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Junit: splitting integration test and Unit tests

...hat sort of other solutions there might be apart from annotations or physically separating the classes.. share | improve this answer | follow | ...
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Differences in string compare methods in C#

...hem and when one should be used over the others? Should one be avoided at all costs? Are there more I haven't listed? 1...