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Why is null an object and what's the difference between null and undefined?
Why is null considered an object in JavaScript?
21 Answers
21
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What is the meaning of the CascadeType.ALL for a @ManyToOne JPA association
...ERGE, DETACH) to the relating entities.
It seems in your case to be a bad idea, as removing an Address would lead to removing the related User. As a user can have multiple addresses, the other addresses would become orphans. However the inverse case (annotating the User) would make sense - if an ad...
How do I make a batch file terminate upon encountering an error?
I have a batch file that's calling the same executable over and over with different parameters. How do I make it terminate immediately if one of the calls returns an error code of any level?
...
Java Interfaces/Implementation naming convention [duplicate]
...rfaces and Implementations and what not without this silly notation. Don't call it TruckClass that is tautology just as bad as the IInterface tautology.
If it is an implementation it is a class. The only real exception to this rule, and there are always exceptions, could be something like Abstrac...
Changing route doesn't scroll to top in the new page
...nChangeSuccess", function(){
$anchorScroll();
});
Here's the calling order of Angularjs Module:
app.config()
app.run()
directive's compile functions (if they are found in the dom)
app.controller()
directive's link functions (again, if found)
RUN BLOCK get executed after the inject...
Embedding SVG into ReactJS
...
function SvgWithXlink (props) {
return (
<svg
width="100%"
height="100%"
xmlns="http://www.w3.org/2000/svg"
xmlnsXlink="http://www.w3.org/1999/xlink"
>
<style>
{ `.classA { fill:${props.fill}...
The difference between sys.stdout.write and print?
...able, but by default with a space between args and newline at the end) and calls the write function of a given object. By default this object is sys.stdout, but you can pass a file using the "chevron" form. For example:
print >> open('file.txt', 'w'), 'Hello', 'World', 2+3
See: https://docs...
SQLite with encryption/password protection
...testing, I've found that the SetPassword method (at this time) appears basically useless. The only way I was able to get the System.Data.SQLite library to properly apply the password was using the ChangePassword method. Using SetPassword (before calling the Open method, as is apparently required by ...
Display string as html in asp.net mvc view
... keeping this concern in the back-end (controller).
I generally try to avoid using Html.Raw() whenever possible.
One other thing worth noting, is I'm not sure where you're assigning str, but a few things that concern me with how you may be implementing this.
First, this should be done in a contro...
Arrow operator (->) usage in C
I am reading a book called "Teach Yourself C in 21 Days" (I have already learned Java and C# so I am moving at a much faster pace). I was reading the chapter on pointers and the -> (arrow) operator came up without explanation. I think that it is used to call members and functions (like the eq...