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Iterating over Java collections in Scala
I'm writing some Scala code which uses the Apache POI API. I would like to iterate over the rows contained in the java.util.Iterator that I get from the Sheet class. I would like to use the iterator in a for each style loop, so I have been trying to convert it to a native Scala collection but ...
How to create an array containing 1…N
...n you do this instead?
var foo = new Array(45); // create an empty array with length 45
then when you want to use it... (un-optimized, just for example)
for(var i = 0; i < foo.length; i++){
document.write('Item: ' + (i + 1) + ' of ' + foo.length + '<br/>');
}
e.g. if you don't need...
Find intersection of two nested lists?
...da x: x in c1, sublist) for sublist in c2]
In Python 3 filter returns an iterable instead of list, so you need to wrap filter calls with list():
c3 = [list(filter(lambda x: x in c1, sublist)) for sublist in c2]
Explanation:
The filter part takes each sublist's item and checks to see if it is ...
Why historically do people use 255 not 256 for database field magnitudes?
You often see database fields set to have a magnitude of 255 characters, what is the traditional / historic reason why? I assume it's something to do with paging / memory limits, and performance but the distinction between 255 and 256 has always confused me.
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How to view UTF-8 Characters in VIM or Gvim
...answered Mar 3 '11 at 15:51
BenoitBenoit
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How can I tell if my server is serving GZipped content?
...Ginx server. I set gzip on in the conf file and now I'm trying to see if it works. YSlow says it's not, but 5 out of 6 websites that do the test say it is. How can I get a definite answer on this and why is there a difference in the results?
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How do I programmatically get the GUID of an application in .net2.0
...ypeof(GuidAttribute),true)[0];
var id = attribute.Value;
Console.WriteLine(id);
}
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Anti-forgery token issue (MVC 5)
I am having an issue with the anti-forgery token :(
I have created my own User class which worked fine but now I am getting an error whenever I go to the /Account/Register page. The error is:
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Named regular expression group “(?Pregexp)”: what does “P” stand for?
...p_name>…) syntax allows one to refer to the matched string through its name:
3 Answers
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Passing an array to a query using a WHERE clause
...ay(1,2,5) I want to have a SQL query that uses the values of the array in its WHERE clause like:
18 Answers
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