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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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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...
How to create unit tests easily in eclipse [closed]
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Anything is standard eclipse?
– GC_
Jun 24 at 21:56
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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);
...
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.
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C++ unordered_map using a custom class type as the key
I am trying to use a custom class as key for an unordered_map , like the following:
3 Answers
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Best way to pretty print a hash
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require 'pp'
pp my_hash
Use pp if you need a built-in solution and just want reasonable line breaks.
Use awesome_print if you can install a gem. (Depending on your users, you may wish to use the index:false option to turn off displaying arr...
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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When should you branch?
...s the project? What are you supposed to do with it?
a branch called "bugfix_212" can be interpreted in the context of a bug tracking system for instance, and any developer can use it with at least some idea about what he is supposed to do with it)
A branch is not a tag (SVN is a Revision System whi...
How to dismiss keyboard iOS programmatically when pressing return
...s delegate to current viewcontroller and then:
func textFieldShouldReturn(_ textField: UITextField) -> Bool {
textField.resignFirstResponder()
return true
}
Objective-C:
[self.view endEditing:YES];
or
Set text field's delegate to current viewcontroller and then:
- (BOOL)textFie...