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PSQLException: current transaction is aborted, commands ignored until end of transaction block
...QL by default stops you from doing this.
I'm using: PostgreSQL 9.1.6 on x86_64-redhat-linux-gnu, compiled by gcc (GCC) 4.7.2 20120921 (Red Hat 4.7.2-2), 64-bit".
My PostgreSQL driver is: postgresql-9.2-1000.jdbc4.jar
Using Java version: Java 1.7
Here is the table create statement to illustrate the ...
Use RSA private key to generate public key?
... compatible with OpenSSH. Append the public key to remote:~/.ssh/authorized_keys and you'll be good to go
docs from SSH-KEYGEN(1)
ssh-keygen -y [-f input_keyfile]
-y This option will read a private OpenSSH format file and print an OpenSSH public key to stdout.
...
How to display HTML tags as plain text [duplicate]
...preserve your indentation.
echo '<pre>';
echo htmlspecialchars($YOUR_HTML);
echo '</pre>';
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How do I manage MongoDB connections in a Node.js web application?
...tID(req.params.id);
const user = await db.collection('user').findOne({ _id: id }, {
email: 1,
firstName: 1,
lastName: 1
});
if (user) {
user.id = req.params.id;
res.send(user);
} else {
res.sendStatus(404);
}
} catch (err) {
next(err);
...
The new keyword “auto”; When should it be used to declare a variable type? [duplicate]
... used.
Another place where auto can be used is when you use new1 or make_* functions , such as here:
//without auto. Not that good, looks cumbersome
SomeType<OtherType>::SomeOtherType * obj1 = new SomeType<OtherType>::SomeOtherType();
std::shared_ptr<XyzType> obj2 = std::make_s...
What's the difference between deadlock and livelock?
... is a great video demonstrating deadlock and livelock: youtube.com/watch?v=_IxsOEEzf-c
– BlackVegetable
Apr 18 '15 at 22:25
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Cannot drop database because it is currently in use
...atabase. Try to switch to another database and then, to drop it:
Try
SP_WHO to see who connected
and KILL if needed
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Why does Python code run faster in a function?
...e on the PyObject which is trivial.
Contrast this to a global lookup (LOAD_GLOBAL), which is a true dict search involving a hash and so on. Incidentally, this is why you need to specify global i if you want it to be global: if you ever assign to a variable inside a scope, the compiler will issue ST...
UIImagePickerController breaks status bar appearance
... of the solutions above worked for me, but by combining Rich86man's and iOS_DEV_09's answers I've got a consistently working solution:
UIImagePickerController* imagePicker = [[UIImagePickerController alloc] init];
imagePicker.delegate = self;
and
- (void)navigationController:(UINavigationControl...
What is the difference between buffer and cache memory in Linux?
...110207101856/http://www.linuxforums.org/articles/using-top-more-efficiently_89.html
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