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Single Sign On across multiple domains [closed]
...the session id from the master. The client can find out the logged in user by querying the shared database using the session id.
Notes:
The session id is a unique global identifier generated with algorithm from RFC 4122
The master_login.php will only redirect to domains in its whitelist
The mast...
Best way to test if a row exists in a MySQL table
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@LittleNooby there is difference. SELECT EXISTS ... gives true and false value (1 or 0), while SELECT 1 ... gives either 1 or empty. There are subtle difference between false value and empty set, depending on your situation.
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Reset identity seed after deleting records in SQL Server
... the transaction log for each deleted row. TRUNCATE TABLE removes the data by deallocating the data pages used to store the table data and records only the page deallocations in the transaction log.
Fewer locks are typically used.
When the DELETE statement is executed using a row lock, each r...
Spring MVC: How to return image in @ResponseBody?
I'm getting image data (as byte[] ) from DB. How to return this image in @ResponseBody ?
14 Answers
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What is the purpose of fork()?
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//this is the child process
else if pid!=0
//this is the parent process
by this you can provide different actions for the parent and the child and make use of multithreading feature.
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impr...
Android: Force EditText to remove focus? [duplicate]
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You can make cursor and focus disappear by
edittext.clearFocus();
But detect when the key board hide is a hard work.
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Alter a MySQL column to be AUTO_INCREMENT
...st nothing) for MySQL integer types. The only thing that may be influenced by the number is the display width, and it is up to the client to do that. But don't be deceived and think that it works like it does for VARCHAR and DECIMAL types - in those cases, the amount of data you can store in there i...
How to get all options of a select using jQuery?
How can I get all the options of a select through jQuery by passing on its ID?
17 Answers
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@RequestBody and @ResponseBody annotations in Spring
...s something(@RequestBody MyModel myModel)
{
return HttpStatus.OK;
}
By using @RequestBody annotation you will get your values mapped with the model you created in your system for handling any specific call. While by using @ResponseBody you can send anything back to the place from where the re...
How to tell if a tag failed to load
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But the timeout has to be provided by the page's coder right? So the coder might choose a different timeout to the browser, assume the script load timed out, and then have it succeed a bit later. Or not?
– hippietrail
Dec...