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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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Replacing instances of a character in a string
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Strings in python are immutable, so you cannot treat them as a list and assign to indices.
Use .replace() instead:
line = line.replace(';', ':')
If you need to replace only certain semicolons, you'll need to be more specific. You could use slicing to isolate the section of the string to r...
Commenting multiple lines in DOS batch file
... DOS Batch file. To test this batch file I need to execute some lines only and want to hide/comment out remaining.
7 Answer...
When should I choose Vector in Scala?
It seems that Vector was late to the Scala collections party, and all the influential blog posts had already left.
6 Answ...
What are the best practices for structuring a large Meteor app with many HTML template files? [close
...r
> directory for three top-level elements: <head>, <body>, and
> <template>. The head and body sections are seperately concatenated
> into a single head and body, which are transmitted to the client on
> initial page load.
>
> Template sections, on the other han...
Firing events on CSS class changes in jQuery
...that way, when the event is triggered, those events can all happen at once and run their respective functionality. for instance, if i have one object that changes from red to blue and three objects waiting for it to change, when it changes, i can just trigger the changeColor event, and all those obj...
How to make a Bootstrap accordion collapse when clicking the header div?
... to do is to to use...
data-toggle="collapse"
data-target="#ElementToExpandOnClick"
...on the element you want to click to trigger the collapse/expand effect.
The element with data-toggle="collapse" will be the element to trigger the effect.
The data-target attribute indicates the element tha...
When should we use intern method of String on String literals
...in String pool, otherwise a new string object will be added in String pool and the reference of this String is returned.
1...
Using Default Arguments in a Function
...is way, you can make a call like foo('blah', null, 'non-default y value'); and have it work as you want, where the second parameter $x still gets its default value.
With this method, passing a null value means you want the default value for one parameter when you want to override the default value ...
How to link Docker services across hosts?
...allows servers from multiple containers to connect to each other via links and service discovery . However, from what I can see this service discovery is host-local. I would like to implement a service that uses other services hosted on a different machine.
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