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How do sessions work in Express.js with Node.js?
Using Express.js , sessions are dead simple. I'm curious how they actually work though.
4 Answers
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List vs Set vs Bag in NHibernate
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NHibernate semantics:
List: Ordered collection of entities, duplicate allowed. Use a .NET IList in code. The index column will need to be mapped in NHibernate.
Set: Unordered collection of unique entities, duplicates not allowed. Use Iesi.Collection.ISet in code (NH prior to v4) or System.Colle...
Parsing IPv6 extension headers containing unknown extensions
... you don't know how to interpret.
Routers can route such packets, because all they need is the routing header. Deep packet inspection gadgets and suchlike need to know a lot, but then that's their fate anyway.
Edited to add: This design means that middleboxes can only change what they know. If a m...
Is it possible to do start iterating from an element other than the first using foreach?
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Good call. WTB auto-complete (gahh can't remember the real name of it) in stackoverflow ;)
– MoarCodePlz
Jun 21 '11 at 17:56
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MD5 algorithm in Objective-C
...ENGTH];
CC_MD5( cStr, (int)strlen(cStr), result ); // This is the md5 call
return [NSString stringWithFormat:
@"%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x",
result[0], result[1], result[2], result[3],
result[4], result[5], result[6], result[7],
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How does inline Javascript (in HTML) work?
I know this is bad practice. Don't write code like this if at all possible.
6 Answers
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Is there a way to do method overloading in TypeScript?
...hod implementation that checks its arguments to decide which overload was called. The signature of the implementation has to be compatible with all of the overloads.
class TestClass {
someMethod(stringParameter: string): void;
someMethod(numberParameter: number, stringParameter: string): vo...
Inheriting from a template class in c++
... way you speak about them determines the way to think about them.
Specifically, Area is not a template class, but a class template. That is, it is a template from which classes can be generated. Area<int> is such a class (it's not an object, but of course you can create an object from that cl...
ASP.NET MVC: Unit testing controllers that use UrlHelper
One of my controllers actions, one that is being called in an Ajax request, is returning an URL to the client side so it can do a redirection. I'm using Url.RouteUrl(..) and during my unit tests this fails since the Controller.Url parameter is not pre-filled.
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Add custom messages in assert?
...rk; they’re compile-time constants and their use in this context is trivially optimized away. There is no runtime cost.
– zneak
Aug 9 '19 at 8:46
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