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Nullable types and the ternary operator: why is `? 10 : null` forbidden? [duplicate]
I just came across a weird error:
9 Answers
9
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How can I pass a list as a command-line argument with argparse?
...you can expect:
$ python arg.py --default 1234 2345 3456 4567
...
arg.py: error: unrecognized arguments: 2345 3456 4567
$ python arg.py --list-type 1234 2345 3456 4567
...
arg.py: error: unrecognized arguments: 2345 3456 4567
$ # Quotes won't help here...
$ python arg.py --list-type "1234 2345 3...
How to Reload ReCaptcha using JavaScript?
...signup form with AJAX so that I want to refresh Recaptcha image anytime an error is occured (i.e. username already in use).
...
Running Command Line in Java [duplicate]
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You can also use p.getErrorStream to understand why your command is broken!
– jakebeal
Jan 29 '15 at 4:27
1
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How to use an existing database with an Android application [duplicate]
... } catch (IOException mIOException) {
throw new Error("ErrorCopyingDataBase");
}
}
}
// Check that the database file exists in databases folder
private boolean checkDataBase() {
return DB_FILE.exists();
}
// Copy the databa...
Reading file contents on the client-side in javascript in various browsers
...mentById("fileContents").innerHTML = evt.target.result;
}
reader.onerror = function (evt) {
document.getElementById("fileContents").innerHTML = "error reading file";
}
}
Original answer
There does not appear to be a way to do this in WebKit (thus, Safari and Chrome). The only ...
What IDE to use for Python? [closed]
...ce Control Integration -. | | | | .- Code Folding
Error Markup -. | | | | | | .- Code Templates
Integrated Python Debugging -. | | | | | | | | .- Unit Testing
Multi-Language Support -. | | | | | | | | | | .- GUI Designer (Qt, Eric, etc)
Au...
unable to install pg gem
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On Centos 7 yum install postgresql-devel solved my error related to pg_config for installing the 'pg' .gem. By the way I opted to use the just released PostgreSQL 10
– Arthur
Nov 5 '17 at 2:42
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Creating a JSON response using Django and Python
...go.http import HttpResponse
response_data = {}
response_data['result'] = 'error'
response_data['message'] = 'Some error message'
Pre-Django 1.7 you'd return it like this:
return HttpResponse(json.dumps(response_data), content_type="application/json")
For Django 1.7+, use JsonResponse as shown ...
再说WCF Data Contract KnownTypeAttribute - 更多技术 - 清泛网移动版 - 专注C/C++及内核技术
...快你会发现浏览器（客户端）返回给你了错误：
Server Error in '/' Application.
The underlying connection was closed: The connection was closed unexpectedly.
Description: An unhandled exception occurred during the execution of the current web request. Please review the st...