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What do all of Scala's symbolic operators mean?
...ommon method
<= // Common method
_._ // Typo, though it's probably based on Keyword/composition
:: // Common method
:+= // Common method
The exact meaning of most of these methods depend on the class that is defining them. For example, <= on Int means "less than or equal to". The ...
django change default runserver port
...
As of Django 1.9, the simplest solution I have found (based on Quentin Stafford-Fraser's solution) is to add a few lines to manage.py which dynamically modify the default port number before invoking the runserver command:
if __name__ == "__main__":
os.environ.setdefault("DJ...
How to divide flask app into multiple py files?
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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Get button click inside UITableViewCell
...Clicked:) forControlEvents:UIControlEventTouchUpInside];
3) Code actions based on index as below in ViewControler:
-(void)yourButtonClicked:(UIButton*)sender
{
if (sender.tag == 0)
{
// Your code here
}
}
Updates for multiple Section:
You can check this link to detect ...
Where can I view Tomcat log files in Eclipse?
...owing under the "Arguments" tab of its launch configuration:
-Dcatalina.base="${project_loc}\<apache-tomcat-5.5.23_loc>"
-Dcatalina.home="${project_loc}\<apache-tomcat-5.5.23_loc>"
-Djava.util.logging.config.file="${project_loc}\<apache-tomcat-5.5.23_loc>\conf\logging.properti...
How do I find the most recent git commit that modified a file?
... ids, then you can just use git-rev-list in the first place. Since log is based on rev-list, it takes most of the same filter parameters.
– Michael Erickson
Nov 15 '16 at 16:24
3
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Changing navigation title programmatically
...onBar(frame: CGRect(x: 0, y: 0, width: self.view.frame.size.width, height: 64.0))
self.view.addSubview(navBar);
let navItem = UINavigationItem(title: "Camera");
let doneItem = UIBarButtonItem(barButtonSystemItem: UIBarButtonSystemItem.cancel, target: self, action: #selector(CameraViewCon...
How do I merge two dictionaries in a single expression in Python (taking union of dictionaries)?
...4
>>> min(repeat(lambda: dict(chain(x.items(), y.items()))))
2.740647904574871
>>> min(repeat(lambda: dict(item for d in (x, y) for item in d.items())))
4.266070580109954
$ uname -a
Linux nixos 4.19.113 #1-NixOS SMP Wed Mar 25 07:06:15 UTC 2020 x86_64 GNU/Linux
Resources on Dicti...
What is the maximum length of a table name in Oracle?
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It's actually based on the version in the compatible parameter. If you have a 12.2 DB with compatible set to 11.2.0, is still limits you to 30 chars.
– rtaft
Nov 15 '18 at 15:13
...
Python, creating objects
...here the latter can be useful – one being when working with document databases like MongoDB.
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