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Can promises have multiple arguments to onFulfilled?
...
You can use E6 destructuring:
Object destructuring:
promise = new Promise(function(onFulfilled, onRejected){
onFulfilled({arg1: value1, arg2: value2});
})
promise.then(({arg1, arg2}) => {
// ....
});
Array destructuring:
promise = new Promise(function(onFulfilled, onRejec...
What is a raw type and why shouldn't we use it?
...ed. That is, the following is entirely legal at compile-time.
List names = new ArrayList(); // warning: raw type!
names.add("John");
names.add("Mary");
names.add(Boolean.FALSE); // not a compilation error!
The above code runs just fine, but suppose you also have the following:
for (Object o : names...
ReactJS Two components communicating
... getInitialState: function() {
return {
listItems: ['Chicago', 'New York', 'Tokyo', 'London', 'San Francisco', 'Amsterdam', 'Hong Kong'],
nameFilter: ''
};
},
handleFilterUpdate: function(filterValue) {
this.setState({
nameFilter: filterValue
});
},
render:...
How to pattern match using regular expression in Scala?
...rpolation feature:
implicit class RegexOps(sc: StringContext) {
def r = new util.matching.Regex(sc.parts.mkString, sc.parts.tail.map(_ => "x"): _*)
}
scala> "123" match { case r"\d+" => true case _ => false }
res34: Boolean = true
Even better one can bind regular expression groups:...
Java switch statement: Constant expression required, but it IS constant
... only.
Note that this doesn't include any form of method or lambda calls, new, .class. .length or array subscripting. Furthermore, any use of array values, enum values, values of primitive wrapper types, boxing and unboxing are all excluded because of a).
...
MySQL Update Inner Join tables query
...unction () {
StackExchange.openid.initPostLogin('.new-post-login', 'https%3a%2f%2fstackoverflow.com%2fquestions%2f8057565%2fmysql-update-inner-join-tables-query%23new-answer', 'question_page');
}
);
...
Proper MIME media type for PDF files
... or standardization. Such values
cannot be registered or standardized.
New standard values should be registered with IANA as described in RFC 2048.
A similar restriction applies to the top-level type. From the same source,
If another top-level type is to be used for any reason, it must ...
Eclipse “Error: Could not find or load main class”
...lasspath you're using an absolute path but you've moved the project onto a new machine with quite possibly a different file structure.
In your classpath you should therefore (and probably in general if you're gonna bundle JARS with your project), use relative pathing:
In your .classpath
change
&...
How would you count occurrences of a string (actually a char) within a string?
...ble this behaviour is because VS2010 automatically includes System.Linq in new class files, VS2008 probably does not. The namespace needs to be in for the intellisense to work.
– Sprague
Jul 12 '12 at 8:13
...
.NET String.Format() to add commas in thousands place for a number
...t culture specific, you might want to try this:
(19950000.0).ToString("N",new CultureInfo("en-US")) = 19,950,000.00
(19950000.0).ToString("N",new CultureInfo("is-IS")) = 19.950.000,00
Note: Some cultures use , to mean decimal rather than . so be careful.
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