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How to remove a field completely from a MongoDB document?
Suppose this is a document. How do I remove " words " completely from all the documents in this collection? I want all documents to be without " words ":
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ASP.NET WebApi vs MVC ? [closed]
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WebApi allows to create services that can be exposed over HTTP rather than through a formal service such as WCF or SOAP.
Another difference is in the way how WebApi uses Http protocol and makes it truly First class Http citizen.
U...
How to delete last character in a string in C#?
...he title. My complaint: if you are going to be fluent, why not just do it all in one line.
– Graham
Jul 24 '15 at 21:34
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XDocument or XmlDocument
...ment = new XElement(ns + "elementName");
// etc
LINQ to XML also works really well with LINQ - its construction model allows you to build elements with sequences of sub-elements really easily:
// Customers is a List<Customer>
XElement customersElement = new XElement("customers",
custome...
onKeyPress Vs. onKeyUp and onKeyDown
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Check here for the archived link originally used in this answer.
From that link:
In theory, the onKeyDown and onKeyUp events represent keys being pressed or released, while the onKeyPress event represents a character being typed. The implementation of the the...
Java: Best way to iterate through a Collection (here ArrayList)
...one is useful when you need the index of the element as well. This is basically equivalent to the other two variants for ArrayLists, but will be really slow if you use a LinkedList.
The second one is useful when you don't need the index of the element but might need to remove the elements as you it...
How to “return an object” in C++?
...arameter is just a good way to make your code ugly, and in C++0x you'd actually be hurting yourself by using an out parameter.
Just write clean code, return by value. If performance is a problem, profile it (stop guessing), and find what you can do to fix it. It likely won't be returning things fro...
Test if a vector contains a given element
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what about getting all appearances, not just the first one?
– StatsSorceress
Mar 15 '18 at 0:54
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What is the best way to implement constants in Java? [closed]
...tic final TYPE NAME = VALUE;
where TYPE is the type, NAME is the name in all caps with underscores for spaces, and VALUE is the constant value;
I highly recommend NOT putting your constants in their own classes or interfaces.
As a side note: Variables that are declared final and are mutable ca...
Get changes from master into branch in Git
In my repository I have a branch called aq which I'm working on.
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