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Java: Class.this
.../ Prints "An anonymous Runnable"
System.out.println(this.toString());
// Prints "A LocalScreen object"
System.out.println(LocalScreen.this.toString());
// Won't compile! 'this' is a Runnable!
...
Computed read-only property vs function in Swift
...A) -> Bool) -> (A) -> (Bool) {
return { !f($0) }
}
extension String {
func isEmptyAsFunc() -> Bool {
return isEmpty
}
}
let strings = ["Hello", "", "world"]
strings.filter(fnot(fflat(String.isEmptyAsFunc)))
...
Convert String to equivalent Enum value
Is it possible for me to convert a String to an equivalent value in an Enumeration , using Java.
4 Answers
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How to convert an NSTimeInterval (seconds) into minutes
...to convert a given NSTimeInterval from its value in seconds to a localized string to show the user. For example:
Objective-C
NSTimeInterval interval = 326.4;
NSDateComponentsFormatter *componentFormatter = [[NSDateComponentsFormatter alloc] init];
componentFormatter.unitsStyle = NSDateComponents...
Hour from DateTime? in 24 hours format
... code below. Two'H' in HH is for 24-hour format.
return fechaHora.Value.ToString("HH:mm");
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Prevent Caching in ASP.NET MVC for specific actions using an attribute
... no jQuery expert) that cache:false only makes jQuery tack on to the query string a changing value to "trick" the browser into thinking the request is for something else. In theory, this means the browser would still cache the results, just wouldn't use the cached results. Should be more efficient o...
How do I check if file exists in jQuery or pure JavaScript?
...n('HEAD', url, false);
http.send();
return http.status!=404;
}
Small changes and it could check for status HTTP status code 200 (success), instead.
EDIT 2: Since sync XMLHttpRequest is deprecated, you can add a utility method like this to do it async:
function executeIfFileExist(src, cal...
PHP append one array to another (not array_push or +)
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Just be careful if your keys are not a numbers but strings, From doc: If the input arrays have the same string keys, then the later value for that key will overwrite the previous one
– Dusan Plavak
Feb 5 '16 at 1:53
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Firebase Storage How to store and Retrieve images [closed]
...s, you'll want to get the base64-encoded contents so you can store it as a string. Or even more convenient, you can store it as a data: url which is then ready to plop in as the src of an img tag (this is what the example does)!
2. For larger images
Firebase does have a 10mb (of utf8-encoded stri...
Calling generic method with a type argument known only at execution time [duplicate]
...pe arguments... Are you trying to call
Method<MyNamespace.Interface<string>>(); // (Or whatever instead of string)
or
Method<MyNamespace.Interface>();
If it's the latter, you only need a call to MakeGenericMethod - not MakeGenericType.
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