大约有 15,630 项符合查询结果（耗时：0.0242秒） [XML]
CSS styling in Django forms
...is way:
<form action="/contact/" method="post">
{{ form.non_field_errors }}
<div class="fieldWrapper">
{{ form.subject.errors }}
{{ form.subject.label_tag }}
{{ form.subject }}
<span class="helptext">{{ form.subject.help_text }}</span>
</div>
<...
How to check file MIME type with javascript before upload?
...xhr.onload = function() {
callback(url, xhr.response);
};
xhr.onerror = function() {
alert('A network error occurred!');
};
xhr.send();
}
function headerCallback(url, headerString) {
printHeaderInfo(url, headerString);
}
function remoteCallback(url, blob) {
printI...
Angular.js programmatically setting a form field to dirty
...u can use $setDirty() on fields (source). For example, for each field with error and marked required you can do the following:
angular.forEach($scope.form.$error.required, function(field) {
field.$setDirty();
});
share...
Value of type 'T' cannot be converted to
...g"? For example, this compiles fine (I literally just compiled it without errors) when userDefinedValue is of type T: var isBlank = (userDefinedValue is string) && String.IsNullOrWhiteSpace(userDefinedValue as string);
– Triynko
Dec 16 '15 at 5:48
...
Check for internet connection availability in Swift
...nnection.sendSynchronousRequest(request, returningResponse: &response, error: nil) as NSData?
if let httpResponse = response as? NSHTTPURLResponse {
if httpResponse.statusCode == 200 {
Status = true
}
}
return Status
}
}
And then you can check intern...
(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
...
How to set versionName in APK filename using gradle?
...
@PHPirate: almost works: Error:(34, 0) Cannot set the value of read-only property 'name'
– Mooing Duck
Dec 10 '17 at 2:11
...
How to correct TypeError: Unicode-objects must be encoded before hashing?
I have this error:
10 Answers
10
...
Get type name without full namespace
...
nameof(z) -> "z" // inside of Method2 ok, inside Method1 is a compiler error
nameof(Stuff) = "Stuff"
nameof(T) -> "T" // works inside of method but not in attributes on the method
nameof(f) -> “f”
nameof(f<T>) -> syntax error
nameof(f<>) -> syntax error
na...
How to use background thread in swift?
...
I am using your code in xCode 6.0.1 and ios 8.It gives error as "QOS_CLASS_BACKGROUND" return class and it is of type UInt32 and "dispatch_get_global_queue" requires 1st parameter as int so type error is coming.
– Zalak Patel
Oct 29 '14 at 1...