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Is is possible to check if an object is already attached to a data context in Entity Framework?
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Here's what I ended up with, which works very nicely:
public static void AttachToOrGet<T>(this ObjectContext context, string entitySetName, ref T entity)
where T : IEntityWithKey
{
ObjectStateEntry entry;
// Track whether we need to perform an attach
bool attach = false;
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Convert string to title case with JavaScript
...hink it is a good solution. Think of ruby open classes, it is perfectly valid to add functions to existing classes and it is widely accepted.
– marco-fiset
Sep 21 '12 at 15:31
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Uri to default sound notification?
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Settings comes from import android.provider.Settings;
– Chris Knight
Oct 10 '13 at 22:16
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Flask SQLAlchemy query, specify column names
...answered Aug 21 '12 at 12:29
David McKeoneDavid McKeone
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What is Normalisation (or Normalization)?
...y to design a database schema such that duplicate and redundant data is avoided. If some piece of data is duplicated several places in the database, there is the risk that it is updated in one place but not the other, leading to data corruption.
There is a number of normalization levels from 1. no...
What does the LayoutInflater attachToRoot parameter mean?
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I'm a bit confused here, @JosephEarl you said if set to true, the view is attached to 2nd parameter which is the container, but then you say fragment is automatically attached from onCreateView(), so to my understanding, third parameter is useless and should be set fa...
Kill child process when parent process is killed
...bjects" http://msdn.microsoft.com/en-us/library/ms682409(VS.85).aspx.
The idea is to create a "job object" for your main application, and register your child processes with the job object. If the main process dies, the OS will take care of terminating the child processes.
public enum JobObjectInfo...
What is the meaning of “$” sign in JavaScript
...re's nothing mysterious about the use of $ in JavaScript. $ is simply a valid JavaScript identifier.
JavaScript allows upper and lower letters, numbers, and $ and _. The $ was intended to be used for machine-generated variables (such as $0001).
Prototype, jQuery, and most javascript libraries use ...
REST API Authentication
...fer following on how to implement:
Working Link from comments: https://www.ida.liu.se/~TDP024/labs/hmacarticle.pdf
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How can I check if an element exists in the visible DOM?
...w do you test an element for existence without the use of the getElementById method?
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