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How do servlets work? Instantiation, sessions, shared variables and multithreading
...en an HTTP 405 error is returned in the response.
The request object provides access to all of the information about the HTTP request, such as its URL, headers, query string and body. The response object provides the ability to control and send the HTTP response the way you want by, for instance, ...
@RequestParam vs @PathVariable
... the controller method would look like:
@RequestMapping(value="/user/{userId}/invoices", method = RequestMethod.GET)
public List<Invoice> listUsersInvoices(
@PathVariable("userId") int user,
@RequestParam(value = "date", required = false) Date dateOrNull) {
...
}
A...
How to call Android contacts list?
I'm making an Android app, and need to call the phone's contact list. I need to call the contacts list function, pick a contact, then return to my app with the contact's name. Here's the code I got on the internet, but it doesnt work.
...
Drop all the tables, stored procedures, triggers, constraints and all the dependencies in one sql st
...dited Jul 26 '11 at 20:43
Mark Cidade
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answered Sep 24 '09 at 18:18
...
SQL - find records from one table which don't exist in another
... WHERE Phone_book.phone_number IS NULL
(ignoring that, as others have said, it's normally best to select just the columns you want, not '*')
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How to run an EXE file in PowerShell with parameters with spaces and quotes
...ync -source:dbfullsql="Data Source=mysource;Integrated Security=false;User ID=sa;Pwd=sapass!;Database=mydb;" -dest:dbfullsql="Data Source=.\mydestsource;Integrated Security=false;User ID=sa;Pwd=sapass!;Database=mydb;",computername=10.10.10.10,username=administrator,password=adminpass
Arg 0 is <-...
How to check if running as root in a bash script
...
The $EUID environment variable holds the current user's UID. Root's UID is 0. Use something like this in your script:
if [ "$EUID" -ne 0 ]
then echo "Please run as root"
exit
fi
Note: If you get 2: [: Illegal number: check if...
Reshaping data.frame from wide to long format
I have some trouble to convert my data.frame from a wide table to a long table.
At the moment it looks like this:
9 Answe...
iOS app error - Can't add self as subview
...d, which is called after the animation is complete:
navigationController:didShowViewController:animated:
Basically you want to move some code as needed into this method to ensure that no other actions that could cause a change to the NavigationController stack will occur until the animation is fi...
How can I change the table names when using ASP.NET Identity?
...ded from MSDN 2013-10-18) and therefore the latest (RTM) version of AspNet.Identity. When I create a new web project, I select "Individual User Accounts" for authentication. This creates the following tables:
...