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Get list from pandas DataFrame column headers
I want to get a list of the column headers from a pandas DataFrame. The DataFrame will come from user input so I won't know how many columns there will be or what they will be called.
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How can I access an object property named as a variable in php?
...'$t'};
Alternatively, you can put the name of the property in a variable and use it like this:
$property_name = '$t';
echo $object->$property_name;
You can see both of these in action on repl.it: https://repl.it/@jrunning/SpiritedTroubledWorkspace
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How do I determine the target architecture of static library (.a) on Mac OS X?
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Another option is lipo; its output is brief and more readable than otool's.
An example:
% lipo -info /usr/lib/libiodbc.a
Architectures in the fat file: /usr/lib/libiodbc.a are: x86_64 i386 ppc
% lipo -info libnonfatarchive.a
input file libnonfatarchive.a is not a fa...
IISExpress Log File Location
IISExpress writes log and configuration data to pre-determined location out of the box.
3 Answers
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str performance in python
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'%s' % 100000 is evaluated by the compiler and is equivalent to a constant at run-time.
>>> import dis
>>> dis.dis(lambda: str(100000))
8 0 LOAD_GLOBAL 0 (str)
3 LOAD_CONST 1 (100000)
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How to set HTTP header to UTF-8 using PHP which is valid in W3C validator?
...output has been sent to the client. Otherwise the header has been sent too and you obviously can’t change it any more. You can check that with headers_sent. See the manual page of header for more information.
share
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Changing overflow icon in the action bar
...overflow icon in the action bar? I have blue icons for all ActionBar items and I also want to change the overflow icon when it appears.
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Using FileSystemWatcher to monitor a directory
I am using a Windows Forms Application to monitor a directory and move the files dropped in it to another directory.
3 Answ...
How to URL encode a string in Ruby
...m , it is more intellectual working with urls.
– Alexander.Iljushkin
Oct 13 '15 at 19:46
I needed to access files on r...
How to pass arguments to addEventListener listener function?
... absolutely nothing wrong with the code you've written. Both some_function and someVar should be accessible, in case they were available in the context where anonymous
function() { some_function(someVar); }
was created.
Check if the alert gives you the value you've been looking for, be sure...