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Calculating days between two dates with Java
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UPDATE: The original answer from 2013 is now outdated because some of the classes have been replaced. The new way of doing this is using the new java.time classes.
DateTimeFormatter dtf = DateTimeFormatter.ofPattern("dd MM yyyy");
String inputString1 = "23 0...
How to run a hello.js file in Node.js on windows?
...('http');
http.createServer(function (req, res) {
res.writeHead(200, {'Content-Type': 'text/plain'});
res.end('Hello World\n');
}).listen(1337, "127.0.0.1");
console.log('Server running at http://127.0.0.1:1337/');
Save the file
Start -> Run... -> cmd
c:
C:>node h...
pandas GroupBy columns with NaN (missing) values
...ore doing the groupby (e.g. -1):
In [11]: df.fillna(-1)
Out[11]:
a b
0 1 4
1 2 -1
2 3 6
In [12]: df.fillna(-1).groupby('b').sum()
Out[12]:
a
b
-1 2
4 1
6 3
That said, this feels pretty awful hack... perhaps there should be an option to include NaN in groupby (see this g...
Calculating Distance between two Latitude and Longitude GeoCoordinates
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Nigel SampsonNigel Sampson
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Prevent user from seeing previously visited secured page after logout
...; // HTTP 1.1.
response.setHeader("Pragma", "no-cache"); // HTTP 1.0.
response.setDateHeader("Expires", 0); // Proxies.
chain.doFilter(req, res);
}
// ...
}
Map this Filter on an url-pattern of interest, for example *.jsp.
@WebFilter("*.jsp")
Or if you want to ...
Get Output From the logging Module in IPython Notebook
... This does not work any more. Not with the Jupyter Notebook 5.3.0
– Wesam
Apr 27 '18 at 5:17
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C# Iterating through an enum? (Indexing a System.Array)
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204
Array values = Enum.GetValues(typeof(myEnum));
foreach( MyEnum val in values )
{
Console.Wr...
Remove the complete styling of an HTML button/submit
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edited Nov 5 '18 at 15:50
answered Mar 17 '10 at 12:13
a ...
Print “hello world” every X seconds
...any other method
Timer timer = new Timer();
timer.schedule(new SayHello(), 0, 5000);
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Is there any advantage of using map over unordered_map in case of trivial keys?
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answered Feb 4 '10 at 2:43
GManNickGGManNickG
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