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What are deferred objects?
... of any synchronous or asynchronous function.
Deferred Methods:
deferred.done()
Add handlers to be called when the Deferred object is resolved.
deferred.fail()
Add handlers to be called when the Deferred object is rejected.
deferred.isRejected()
Determine whether a Deferred object has been r...
ASP.NET Web API OperationCanceledException when browser cancels the request
When a user loads a page, it makes one or more ajax requests, which hit ASP.NET Web API 2 controllers. If the user navigates to another page, before these ajax requests complete, the requests are canceled by the browser. Our ELMAH HttpModule then logs two errors for each canceled request:
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What are bitwise shift (bit-shift) operators and how do they work?
... not undefined, though; the standard requires implementations to define it one way or another. However, left shifts of negative signed numbers is undefined behaviour (signed integer overflow). So unless you need arithmetic right shift, it's usually a good idea to do your bit-shifting with unsigned...
How to tell Eclipse Workspace?
...se.ui.ide.prefs file. The workspace name shown in this dialog is the first one from this list.
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GOTO still considered harmful? [closed]
Everyone is aware of Dijkstra's Letters to the editor: go to statement considered harmful (also here .html transcript and here .pdf) and there has been a formidable push since that time to eschew the goto statement whenever possible. While it's possible to use goto to produce unmaintainable, s...
What is the use for Task.FromResult in C#
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One example would be a method that makes use of a cache. If the result is already computed, you can return a completed task with the value (using Task.FromResult). If it is not, then you go ahead and return a task represent...
Jdbctemplate query for string: EmptyResultDataAccessException: Incorrect result size: expected 1, ac
...g, queryForObject all such methods expects that executed query will return one and only one row. If you get no rows or more than one row that will result in IncorrectResultSizeDataAccessException . Now the correct way is not to catch this exception or EmptyResultDataAccessException, but make sure th...
What is an Endpoint?
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All of the answers posted so far are correct, an endpoint is simply one end of a communication channel. In the case of OAuth, there are three endpoints you need to be concerned with:
Temporary Credential Request URI (called the Request Token URL in the OAuth 1.0a community spec). This is a...
Mapping composite keys using EF code first
...ut in the column order, otherwise how is SQL Server supposed to know which one goes first? Here's what you would need to do in your code:
public class MyTable
{
[Key, Column(Order = 0)]
public string SomeId { get; set; }
[Key, Column(Order = 1)]
public int OtherId { get; set; }
}
You can...
Use email address as primary key?
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In case any one wonders, as I did, a GUID key would be equivalent to an email key I think.
– tofutim
Feb 12 '16 at 19:07
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