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Set select option 'selected', by value
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@JamesCazzetta send an array to val: .val(["Multiple2", "Multiple3"]). api.jquery.com/val/#val-value
– scipilot
Jul 19 '15 at 5:36
136
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How do you calculate the average of a set of circular data? [closed]
...y to estimate an average angle, A, from a set of angle measurements
a[i] 0<=i
sum_i_from_1_to_N sin(a[i])
a = arctangent ---------------------------
sum_i_from_1_to_N cos(a[i])
The method given by starblue is computationally equivalent, but his reasons are...
CreateElement with id?
...ms pretty complicated for a task that seems pretty simple, so is there an alternative? Thanks :)
7 Answers
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std::cin input with spaces?
...Use std::getline:
int main()
{
std::string name, title;
std::cout << "Enter your name: ";
std::getline(std::cin, name);
std::cout << "Enter your favourite movie: ";
std::getline(std::cin, title);
std::cout << name << "'s favourite movie is " << tit...
returning a Void object
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Java 8 has introduced a new class, Optional<T>, that can be used in such cases. To use it, you'd modify your code slightly as follows:
interface B<E>{ Optional<E> method(); }
class A implements B<Void>{
public Optional<Void> method(...
Multiple Type Constraints in Swift
...l of which must be fulfilled) separated by commas
Swift 2:
func someFunc<T where T:SomeProtocol, T:SomeOtherProtocol>(arg: T) {
// stuff
}
Swift 3 & 4:
func someFunc<T: SomeProtocol & SomeOtherProtocol>(arg: T) {
// stuff
}
or the more powerful where clause:
func ...
How unique is UUID?
...ng UUID would be safe between executions of an application? (e.g. a python script)
– George Sp
Sep 8 '18 at 18:12
How ...
How to do Base64 encoding in node.js?
Does node.js have built-in base64 encoding yet?
7 Answers
7
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ViewParam vs @ManagedProperty(value = “#{param.id}”)
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<f:viewParam>:
Sets the value during update model values phase only (since it extends UIInput).
The set value is not available during @PostConstruct, so you need an additional <f:event type="preRenderView" listener=...
What methods of ‘clearfix’ can I use?
...on the containing element. This solution works in every modern browsers.
<div style="overflow: auto;">
<img
style="float: right;"
src="path/to/floated-element.png"
width="500"
height="500"
>
<p>Your content here…</p>
</div>
One downside, usin...