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Published on 2009-08-01T19:54:39Z
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2010/05/03
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What is LINQ to events a.k.a RX Framework aka the Reactive Extensions in .NET 4.0 (but also available as backported versions)?
In other words, what is all the stuff in System.Reactive.dll for?
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This article demonstrates how to use LINQ on DataTable, XML Data using LINQ to XML and SQL server data base using LINQ to SQL Classes.
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I am running a query using Linq2SQL that comes down to following query:
DateTime? expiration = GetExpirationDate();
IQueryable<Persons> persons = GetPersons();
IQueryable<Items> subquery = from i in db.Items
where i.ExpirationDate >= expiration
…
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The way data can be retrieved in .NET. LINQ provides a uniform way to retrieve data from any object that implements the IEnumerable<T> interface. With LINQ, arrays, collections, relational data, and XML are all potential data sources. Why LINQ?With LINQ, you can use the same syntax to retrieve…
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I have a Logic layer that references Silverlight's System.Xml.Linq dll and a GUI that is in WPF (hence using the non-Silverlight System.Xml.Linq dll). When I attempt to pass an XElement from GUI project to a method in the Logic project, I am getting (basically) "XElement is not of type XElement" errors…
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Hi, I am using SQL Server 2005 in a project. I have to decide about datalayer. I would like to use LINQ in my project. I saw SubSonic 3 supporting LINQ and I also have option for LINQ to SQL, because i can have typed lists from LINQ to SQL.
I am wondering what is different between LINQ to SQL and…
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Hi,
How can I pass the selected month from viewDisplay to the events function (which is a php call to the DB to load the events)? Only events for one month should get loaded at a time, but I'm afraid of what might happen if the user decides to click 'next' multiple times really quickly... My other…
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the context
i use Spooler Events API to capture events generated by the spooler when a user prints a document ie.
FindFirstPrinterChangeNotification
FindNextPrinterChangeNotification
the problem
When I print a document on the network printers from my machine no events are captured by the monitor…
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I use this simple working function to add events:
function AppendEvent(html_element, event_name, event_function)
{
if(html_element)
{
if(html_element.attachEvent) //IE
html_element.attachEvent("on" + event_name, event_function);
else if(html_element.addEventListener) //FF
…
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Hi!
I have people, companies, employees, events and event kinds. I'm making a report/followup sheet where people, companies and employees are the rows, and the columns are event kinds.
Event kinds are simple values describing: "Promised Donation", "Received Donation", "Phoned", "Followed up" and…
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Server: Poweredge r620
OS: RHEL 6.4
Kernel: 2.6.32-358.18.1.el6.x86_64
I'm experiencing application alarms in my production environment. Critical CPU hungry processes are being starved of resources and causing a processing backlog. The problem is happening on all the 12th Generation Dell servers…
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