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Django Server Error: port is already in use
Restarting the Django server displays the following error:
16 Answers
16
...
ios Upload Image and Text using HTTP POST
... mainQueue] completionHandler:^(NSURLResponse *response, NSData *data, NSError *connectionError) {}];
– eric
Aug 6 '15 at 22:32
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show 8 m...
jQuery AJAX cross domain
... with json (in this case an array)
alert("Success");
},
error:function(){
alert("Error");
}
});
PHP:
<?php
$arr = array("element1","element2",array("element31","element32"));
$arr['name'] = "response";
echo $_GET['callback']."(".json_encode($arr).");";
?&...
How can I check that a form field is prefilled correctly using capybara?
...
I would still prefer the selected answer because the error message shows you the expected and actual strings. This gives the unhelpful "expected field "my field" to return something" error. But this one does definitely read better and follows the page matcher API better. Upvote...
What is a StackOverflowError?
What is a StackOverflowError , what causes it, and how should I deal with them?
15 Answers
...
Convert string to integer type in Go?
...to int
i, err := strconv.Atoi(s)
if err != nil {
// handle error
fmt.Println(err)
os.Exit(2)
}
fmt.Println(s, i)
}
share
|
improve this answer
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...
Make a phone call programmatically
...options:[String:Any]()) { (success) in
if(!success) {
// Show an error message: Failed opening the url
}
}
} else if(phoneFallbackUrl != nil && UIApplication.shared.canOpenUrl(phoneFallbackUrl!)) {
UIApplication.shared.open(phoneFallbackUrl!, options:[String:Any]()) { (succ...
What does string::npos mean in this code?
..."not found"); // assume it returns npos
if (idx == std::string::npos) { // ERROR: comparison might not work
...
}
One way to avoid this error is to check whether the search fails directly:
if (s.find("hi") == std::string::npos) {
...
}
However, often you need the index of the matching character...
(SC) DeleteService FAILED 1072
...en I closed the "server management" window. Next time I tried deletion the error was "no service registered".
– Alfabravo
Mar 10 '11 at 13:11
23
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Display help message with python argparse when script is called without any arguments
... a Google account to access.
You can override the default behavior of the error method:
import argparse
import sys
class MyParser(argparse.ArgumentParser):
def error(self, message):
sys.stderr.write('error: %s\n' % message)
self.print_help()
sys.exit(2)
parser = MyPar...