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TransactionManagementError “You can't execute queries until the end of the 'atomic' block” while usi
I am getting TransactionManagementError when trying to save a Django User model instance and in its post_save signal, I'm saving some models that have the user as the foreign key.
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no acceptable C compiler found in $PATH when installing python
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I'm getting the error "Error accessing file for config file:///etc/yum.conf". I have Bluehost shared hosting.
– Paul Chris Jones
Mar 5 at 16:15
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SQL DELETE with INNER JOIN
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Here is the error i got : [Err] 1064 - You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'spawnlist FROM db.root.spawnlist s INNER JOIN db.root.npc n ON...
What is the instanceof operator in JavaScript?
... the Test() function.
var test = Test('test');
test.test(); // throws TypeError: Object #<Test> has no method 'test'
test // returns 'test'
Using "new" assigns the value of "this" inside the function to the declared var, while not using it assigns the return value instead.
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How do you follow an HTTP Redirect in Node.js?
...cts param.
request({
followAllRedirects: true,
url: url
}, function (error, response, body) {
if (!error) {
console.log(response);
}
});
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Best way to add comments in erb
... I used to use this format until I noticed it just raised an error on someones computer in my team (we were both using linux, but different distros), regardless I avoid it since..
– vise
May 5 '10 at 21:57
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WebAPI Delete not working - 405 Method Not Allowed
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In some cases removing it just from modules can produce next error:
500.21 Handler "WebDAV" has a bad module "WebDAVModule" in its module list
Module: IIS Web Core Notification: ExecuteRequestHandler"
solution was suggested here. Also need to remove it from handlers.
<...
Under what circumstances is an SqlConnection automatically enlisted in an ambient TransactionScope T
... connections, since they're running against the same database, but I think errors can occur if commands are issued on both at the same time: errors like "Transaction context in use by another session"
Q3. Yes, it gets escalated to a distributed transaction, so enlisting more than one connection, ev...
Simple way to convert datarow array to datatable
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This technique is helpful if you get the error message "An invalid data source is being used for MyControl. A valid data source must implement either IListSource or IEnumerable" when trying to bind a DataRow directly to the DataSource property of a control. Here's ...
Why should I use the keyword “final” on a method parameter in Java?
...d String.
}
Mark the local variable as final. This results in a compiler error.
void doSomething( String arg ) {
final String x = arg; // Mark variable as 'final'.
x = "elephant"; // Compiler error: The final local variable x cannot be assigned.
arg = "giraffe";
}
Instead, let’s ma...