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How to detect if a function is called as constructor?
...oking at the ECMAScript 3rd edition spec, the steps taken when new x() is called are essentially:
Create a new object
Assign its internal [[Prototype]] property to the prototype property of x
Call x as normal, passing it the new object as this
If the call to x returned an object, return it, otherw...
Is there a CSS selector by class prefix?
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answered Dec 21 '11 at 10:42
BoltClock♦BoltClock
601k141141 gold badges12621262 silver badges12641264 bronze badges
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textarea's rows, and cols attribute in CSS
...ks with IE6 I believe.
– Swanny
Feb 11 '14 at 21:36
1
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sizeof single struct member in C
... char text[member_size(Parent, text)];
int used;
} Child;
I'm actually a bit surprised that sizeof((type *)0)->member) is even allowed as a constant expression. Cool stuff.
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How to test equality of Swift enums with associated values
...d values.
So if you're on Swift 4.1 or newer, the following will automatically synthesize the necessary methods such that XCTAssert(t1 == t2) works. The key is to add the Equatable protocol to your enum.
enum SimpleToken: Equatable {
case Name(String)
case Number(Int)
}
let t1 = SimpleToke...
Execute and get the output of a shell command in node.js
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11
Requirements
This will require Node.js 7 or later with a support for Promises and Async/Await....
Scrollable Menu with Bootstrap - Menu expanding its container when it should not
...lt;/li>
</ul>
Working example: https://www.bootply.com/86116
Bootstrap 4
Another example for Bootstrap 4 using flexbox
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foll...
Get a list of checked checkboxes in a div using jQuery
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Unnecessary call of constructor var selected = new Array();. Better (cheaper) with var selected = [];
– Pono
Mar 17 '14 at 22:45
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Spring Boot - parent pom when you already have a parent pom
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edited Mar 7 '19 at 11:58
Michael
31.9k99 gold badges5252 silver badges9494 bronze badges
answered...
Weird Integer boxing in Java
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The true line is actually guaranteed by the language specification. From section 5.1.7:
If the value p being boxed is true,
false, a byte, a char in the range
\u0000 to \u007f, or an int or short
number between -128 and 127, then let
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