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rreplace - How to replace the last occurrence of an expression in a string?
...500 characters), your solution was three times faster than Alex's solution and four times faster than Mark's solution. Thanks to all for your answers!
– Barthelemy
Mar 31 '10 at 20:44
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Pandas aggregate count distinct
Let's say I have a log of user activity and I want to generate a report of total duration and the number of unique users per day.
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How do I do a Date comparison in Javascript? [duplicate]
...getTime function returns an undefined value. I don't think I quite understand the getTime(). Is that supposed to be a predefined function?
– Lulu Ket
Dec 3 '08 at 20:22
1
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How to create a new object instance from a Type
...l.
There are a lot of overloads for passing parameters to the constructor and such. Check out the documentation at:
http://msdn.microsoft.com/en-us/library/system.activator.createinstance.aspx
or (new path)
https://docs.microsoft.com/en-us/dotnet/api/system.activator.createinstance
Her...
How to get back to the latest commit after checking out a previous commit?
...tory. You can run git branch to get a list of branches in your repository, and git tag -l for a list of tags. Similarly, origin is the default name of the remote that a repository is cloned from, but there's nothing special about it.
– Phil Miller
Feb 3 '12 at ...
Convert list to array in Java [duplicate]
...trinsified, making the performance of the empty array version
the same and sometimes even better, compared to the pre-sized
version. Also passing pre-sized array is dangerous for a concurrent or
synchronized collection as a data race is possible between the
size and toArray call which ...
Can Mockito capture arguments of a method called multiple times?
I have a method that gets called twice, and I want to capture the argument of the second method call.
6 Answers
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Quickest way to compare two generic lists for differences
What is the quickest (and least resource intensive) to compare two massive (>50.000 items) and as a result have two lists like the ones below:
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How to position a table at the center of div horizontally & vertically
...r, some tricks exist:
To center your table horizontally, you can set left and right margin to auto:
<style>
#test {
width:100%;
height:100%;
}
table {
margin: 0 auto; /* or margin: 0 auto 0 auto */
}
</style>
To center it vertically, the only way is to use javascr...
Why do some websites add “Slugs” to the end of URLs? [closed]
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The slugs make the URL more user-friendly and you know what to expect when you click a link. Search engines such as Google, rank the pages higher if the searchword is in the URL.
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