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Constantly print Subprocess output while process is running

... return_code = popen.wait() if return_code: raise subprocess.CalledProcessError(return_code, cmd) # Example for path in execute(["locate", "a"]): print(path, end="") share | impro...
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Renaming columns in pandas

...UMNS Use the df.rename() function and refer the columns to be renamed. Not all the columns have to be renamed: df = df.rename(columns={'oldName1': 'newName1', 'oldName2': 'newName2'}) # Or rename the existing DataFrame (rather than creating a copy) df.rename(columns={'oldName1': 'newName1', 'oldNam...
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Get class name of object as string in Swift

... Is this really the case? According to the docs for String for this initializer "an unspecified result is supplied automatically by the Swift standard library" when it doesn't conform to Streamable, or CustomStringConvertible, or Cust...
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Manipulating an Access database from Java without ODBC

... UCanAccess is a pure Java JDBC driver that allows us to read from and write to Access databases without using ODBC. It uses two other packages, Jackcess and HSQLDB, to perform these tasks. The following is a brief overview of how to get it set up.   Option 1: Using...
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Why does SIGPIPE exist?

...zero timeout) to consume any pending SIGPIPE signal (which is sent to the calling thread, not the process) before unmasking it again. I believe the reason SIGPIPE exists is much simpler: establishing sane default behavior for pure "filter" programs that continuously read input, transform it somehow...
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Clojure: reduce vs. apply

... the ultimate result returned) for associative functions which need to see all their arguments in the variable-arity case. When they are result-wise equivalent, I'd say that apply is always perfectly idiomatic, while reduce is equivalent -- and might shave off a fraction of a blink of an eye -- in a...
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In-place type conversion of a NumPy array

...Py array of int32 , how do I convert it to float32 in place ? So basically, I would like to do 6 Answers ...
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Is there any pythonic way to combine two dicts (adding values for keys that appear in both)?

...t;> A + B Counter({'c': 7, 'b': 5, 'd': 5, 'a': 1}) Counters are basically a subclass of dict, so you can still do everything else with them you'd normally do with that type, such as iterate over their keys and values. ...
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Reload an iframe with jQuery

...tion() { document.location.reload(); }); and you are good to go with all browsers. Reload an iframe with HTML (no Java Script req.) It have more simpler solution: which works without javaScript in (FF, Webkit) just make an anchor inSide your iframe <a href="#" target="_SELF">Refre...
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CALayers didn't get resized on its UIView's bounds change. Why?

...you sure? it sounds like you are describing frame. bounds should, theoretically, always have 0,0 as its origin. – griotspeak Feb 11 '12 at 2:32 3 ...