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How to filter rows in pandas by regex
...n match, fullmatch and contains.
Note that in order to use the results for indexing, set the na=False argument (or True if you want to include NANs in the results).
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Accessing a Shared File (UNC) From a Remote, Non-Trusted Domain With Credentials
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The way to solve your problem is to use a Win32 API called WNetUseConnection.
Use this function to connect to a UNC path with authentication, NOT to map a drive.
This will allow you to connect to a remote machine, even if it is not on the same domain, and even if it has a diff...
Preloading CSS Images
...:
body::after{
position:absolute; width:0; height:0; overflow:hidden; z-index:-1; // hide images
content:url(img1.png) url(img2.png) url(img3.gif) url(img4.jpg); // load images
}
Demo
it's better to use a sprite image to reduce http requests...(if there are many relatively small sized imag...
Get the current first responder without using a private API
...that my app cannot be accepted because I'm using a non-public API; specifically, it says,
28 Answers
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What does a tilde do when it precedes an expression?
...tool in a much bigger bag).
It's also a (generally) unclear trick to turn indexOf()'s found return value into truthy (while making not found as falsy) and people often use it for its side effect of truncating numbers to 32 bits (and dropping its decimal place by doubling it, effectively the same as...
Array versus linked-list
...itable for
applications where it's useful to look
up an element by its index quickly,
such as heapsort. Sequential access on
arrays is also faster than on linked
lists on many machines due to locality
of reference and data caches. Linked
lists receive almost no benefit from
the cache...
What is the difference between Θ(n) and O(n)?
...e of the algorithm as n gets larger is at most proportional to g(n).
Normally, even when people talk about O(g(n)) they actually mean Θ(g(n)) but technically, there is a difference.
More technically:
O(n) represents upper bound. Θ(n) means tight bound.
Ω(n) represents lower bound.
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Refresh a page using JavaScript or HTML [duplicate]
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no, i did not test them all
– epoch
Jan 10 '14 at 8:06
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What does Ruby have that Python doesn't, and vice versa?
There is a lot of discussions of Python vs Ruby, and I all find them completely unhelpful, because they all turn around why feature X sucks in language Y, or that claim language Y doesn't have X, although in fact it does. I also know exactly why I prefer Python, but that's also subjective, and would...
Deserializing JSON to .NET object using Newtonsoft (or LINQ to JSON maybe?)
... it. By the way, my version of Json.NET does support the syntax using the indexer on JObject, but the code I modified for my answer was pulled from code making use of an overload of the SelectToken method so I could suppress exceptions if the token wasn't found: JToken JToken.SelectToken(string tok...