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python pandas: Remove duplicates by columns A, keeping the row with the highest value in column B
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Small note: The cols and take_last parameters are depreciated and have been replaced by the subset and keep parameters. pandas.pydata.org/pandas-docs/version/0.17.1/generated/…
– Jezzamon
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The import javax.servlet can't be resolved [duplicate]
...to add the Servlet API to your classpath. In Tomcat 6.0, this is in a JAR called servlet-api.jar in Tomcat's lib folder. You can either add a reference to that JAR to the project's classpath, or put a copy of the JAR in your Eclipse project and add it to the classpath from there.
If you want to lea...
Convert a list to a dictionary in Python
...ip(i, i))
In Python 3 you could also use a dict comprehension, but ironically I think the simplest way to do it will be with range() and len(), which would normally be a code smell.
b = {a[i]: a[i+1] for i in range(0, len(a), 2)}
So the iter()/izip() method is still probably the most Pythonic i...
On a CSS hover event, can I change another div's styling? [duplicate]
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That's using the general sibling combinator (~).
Both + and ~ work in all modern browsers and IE7+
If #b is a descendant of #a, you can simply use #a:hover #b.
ALTERNATIVE: You can use pure CSS to do this by positioning the second element before the first. The first div is first in markup, bu...
What does $$ mean in the shell?
... This does produce a number that varies from time to time... but if you call it repeatedly, it returns the same number. (The solution is to just use the time.)
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Is right click a Javascript event?
...the which/button issue, the 'oncontextmenu' is not implemented the same in all browsers... see quirksmode.org/dom/events/contextmenu.html for some of the 'gotchas'.
– smencer
Mar 9 '10 at 1:28
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How to change the text of a button in jQuery?
...answer.
EDIT : These will work assuming you've wrapped it in a .click() call, of course
EDIT 2 : Newer jQuery versions (from > 1.6) use .prop rather than .attr
EDIT 3 : If you're using jQuery UI, you need to use DaveUK's method (below) of adjusting the text property
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Is there a minlength validation attribute in HTML5?
...ing html5 instead of jQuery. I just wanted to add that the title attribute allows you to set the message to display to the user if the pattern is not met. Otherwise a default message will be shown.
– None
Aug 30 '12 at 22:46
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How Do I Convert an Integer to a String in Excel VBA?
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CStr(45) is all you need (the Convert String function)
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Print “hello world” every X seconds
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@TimBender Just wondering whether OP really got his task done with this ;) Anyways, now I would prefer to use ExecutorService for these tasks. That is really a big improvement over traditional Thread API. Just didn't used it at the time of answering.
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