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What is a monad?
...p(x => [x + 1])
Here we supply an operation which returns an Array, so now it conforms to the pattern. The flatMap method executes the provided function for every element in the array. It expects an array as result for each invocation (rather than single values), but merges the resulting set of...
get list from pandas dataframe column
...n in this way I will struggle. it's getting there, there are some examples now, but not for every method.
– yoshiserry
Mar 12 '14 at 4:02
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What algorithm can be used for packing rectangles of different sizes into the smallest rectangle pos
... I was just playing with something like that on a bit of paper, right now looks fairly optimal in most cases, even without rotating the rectangles or anything
– Fire Lancer
Jul 31 '09 at 16:37
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How to pass json POST data to Web API method as an object?
...lue)
{
return "Hello from http post web api controller: " + value;
}
Now, fire the following jQuery from your browser console
$.ajax({
type: 'POST',
url: 'http://localhost:33649/api/TestApi/TestMethod',
data: {'':'hello'},
contentType: 'application/x-www-form-urlencoded',
...
How do I debug Node.js applications?
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Now inspector is now actively maintained by StrongLoop and is working again with the latest version (0.3) yay! Announcement here: blog.strongloop.com/…
– balupton
Jul 25 '13 at 15:31
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Maven project version inheritance - do I have to specify the parent version?
...May 14 '12 at 11:20
Michał KalinowskiMichał Kalinowski
13.5k44 gold badges3030 silver badges4444 bronze badges
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Efficiently convert rows to columns in sql server
...nt, PostalCode, LastName, AccountNumber)
) piv;
See Demo.
Pivot with unknown number of columnnames
If you have an unknown number of columnnames that you want to transpose, then you can use dynamic SQL:
DECLARE @cols AS NVARCHAR(MAX),
@query AS NVARCHAR(MAX)
select @cols = STUFF((SELECT ',...
ASP.NET_SessionId + OWIN Cookies do not send to browser
...rce of cookie information and that isn't the Set-Cookie header. Owin only knows about the Set-Cookie header. A workaround is to make sure that any cookies set by Owin are also set in the HttpContext.Current.Response.Cookies collection.
I've made a small middleware (source, nuget) that does exactly ...
What does principal end of an association means in 1:1 relationship in Entity framework
...
@NathanAldenSr the link is bad now, how do you make that change?
– CamHart
Apr 25 '18 at 22:19
add a comment
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how to use javascript Object.defineProperty
...-shop owner might realize that the discount can't be greater than say 80%. Now you need to find EVERY occurence of the discount modification in the client code and add a line
if(obj.discount>80) obj.discount = 80;
Then the e-shop owner may further change his strategy, like "if the customer is ...