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Delete column from pandas DataFrame
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As you've guessed, the right syntax is
del df['column_name']
It's difficult to make del df.column_name work simply as the result of syntactic limitations in Python. del df[name] gets translated to df.__delitem__(name) under the covers by Python.
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Set cellpadding and cellspacing in CSS?
...allow separate horizontal and vertical spacing, something you couldn't do with old-school "cellspacing".
Issues in IE ≤ 7
This will work in almost all popular browsers except for Internet Explorer up through Internet Explorer 7, where you're almost out of luck. I say "almost" because these bro...
How can I change the thickness of my tag
...to change the thickness of my horizontal rule ( <hr> )in CSS. I know it can be done in HTML like so -
9 Answers
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When is it appropriate to use UDP instead of TCP? [closed]
...tee anything and packets can be lost. What would be the advantage of transmitting data using UDP in an application rather than over a TCP stream? In what kind of situations would UDP be the better choice, and why?
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Why is an array not assignable to Iterable?
with Java5 we can write:
5 Answers
5
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Tools to get a pictorial function call graph of code [closed]
...s called from a particular function in a non-graphical kind of display. Additionally, it does not show the function called starting from say main() , and then the functions called from it, and so on, deeper inside to the leaf level function.
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What is “export default” in javascript?
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It's part of the ES6 module system, described here. There is a helpful example in that documentation, also:
If a module defines a default export:
export default function() { console.log("hello!") }
then you can imp...
How to get milliseconds from LocalDateTime in Java 8
... not entirely sure what you mean by "current milliseconds" but I'll assume it's the number of milliseconds since the "epoch," namely midnight, January 1, 1970 UTC.
If you want to find the number of milliseconds since the epoch right now, then use System.currentTimeMillis() as Anubian Noob has point...
How to sort two lists (which reference each other) in the exact same way
...ur')
These of course are no longer lists, but that's easily remedied, if it matters:
>>> list1, list2 = (list(t) for t in zip(*sorted(zip(list1, list2))))
>>> list1
[1, 1, 2, 3, 4]
>>> list2
['one', 'one2', 'two', 'three', 'four']
It's worth noting that the above may ...
Using ECMAScript 6
...t 6 code in my browser's console but most browsers don't support functionality that I'm looking for. For example Firefox is the only browser that supports arrow functions.
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