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If string is empty then return some default value
...answered Jan 27 '11 at 19:24
David PhillipsDavid Phillips
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Nodejs send file in response
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how call request in client side give client side code
– ashwini
Oct 15 '18 at 5:58
2
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Is it possible in SASS to inherit from a class in another file?
...you're trying to do, can't you just use the @extend .classname; command inside the element that you'd want to extend? Naturally, you should only modify your own code to preserve updatability.
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How do you list all triggers in a MySQL database?
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I'd avoid using LIKE when dealing with schema. I've worked in environments where doing it that way would be error prone where a client had a database named "company" and another named "company_project". I'd also suggest capitalising...
Instantiating object of type parameter
...> ctor) {
this.ctor = Objects.requireNonNull(ctor);
}
public void myMethod() {
field = ctor.get();
}
}
Usage might look like this:
MyClass<StringBuilder> it = new MyClass<>(StringBuilder::new);
Alternatively, you can provide a Class<T> object, and then use r...
Return two and more values from a method
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Since an explicit return is considered non-idiomatic Ruby, you can also use an implicit return by explicitly putting the return values in a list: def foo_and_bar; ['foo', 'bar']; end
– Dennis
Dec 9 '14 at 13:06
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How to use SQL Order By statement to sort results case insensitive?
...to sort by Alphabetical order. The problem is, SQLite doesn't seem to consider A=a during sorting, thus I get results like this:
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Weird “[]” after Java method signature
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As there is a C tag, I'll point out that a similar (but not identical) notation is possible in C and C++:
Here the function f returns a pointer to an array of 10 ints.
int tab[10];
int (*f())[10]
{
return &tab;
}
Java simply doesn't need the star and parenthesis.
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MySQL - why not index every field?
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@Andrew a year and a half later, did you find the answer to your question?
– Sinjai
Jan 11 '19 at 17:10
1
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How do Google+ +1 widgets break out of their iframe?
Somehow, hovering over a Google+ plus-one widget can introduce a tooltip-type deal that is clearly larger than the <iframe> element in which it is contained. I’ve inspected the DOM to confirm this.*
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