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Class type check in TypeScript
...;Fish>pet).swim !== undefined;
}
// Both calls to 'swim' and 'fly' are now okay.
if (isFish(pet)) {
pet.swim();
}
else {
pet.fly();
}
See more at:
https://www.typescriptlang.org/docs/handbook/advanced-types.html
sh...
Linux bash: Multiple variable assignment
...ent was about the reason why the read happens in a subshell, and I realize now I misread what you wrote. I thought you meant that the subshell was created because you used the curly braces around the compound statement. But! The reason you gave that example was to avoid forking, and but won't the su...
assign multiple variables to the same value in Javascript
...would attach to global which is the global context for that environment).
Now you could first declare all your variables and then assign them to the same value and you could avoid the problem.
var moveUp, moveDown, moveLeft, moveRight, mouseDown, touchDown;
moveUp = moveDown = moveLeft = moveRight...
In what cases do I use malloc and/or new?
... or throw ...
}
return new (mem)T(std::forward(args)...);
}
};
Now though in fixing all the issues we identified so far we've practically reinvented the default new operator. If you're going to use malloc and placement new then you might as well just use new to begin with!
...
C# Thread safe fast(est) counter
...ther CPU from accessing the bus while the calling CPU does its operation. Now, take a look at the C# lock() statement's IL. Here you will see calls to Monitor in order to begin or end a section.
In other words, .Net lock() statement is doing a lot more than the .Net Interlocked.Increment.
SO, ...
How to switch between hide and view password
...splayed. If you encounter problems with that leave me a comment for me to know.)
The full sample code would be
yourTextView.setTransformationMethod(new PasswordTransformationMethod());
to hide the password. To show the password you could set one of the existing transformation methods or implem...
rvm installation not working: “RVM is not a function”
...on, --auto had been deprecated in favour of --auto-dotfiles so the command now is rvm get stable --auto-dotfiles
– Mart Van de Ven
Nov 8 '13 at 3:56
...
intellij - spring is not being recognized (Unmapped Spring configuration)
...les and select Add=>Spring
in the new tab click the + button
you should now see a list of the xml files. Check the boxes next to them
I'm not entirely clear what this achieves apart from getting rid of the warnings! If anyone could shed any light on that it'd be good.
...
Access-Control-Allow-Origin wildcard subdomains, ports and protocols
...ns. Maybe this was solved with "Vary Origin" that we didn't have before... now added that too.
– Erik Melkersson
Dec 4 '15 at 11:48
2
...
Submit form using a button outside the tag
...odern browsers you can use the form attribute to do this.
As far as I know, you cannot do this without javascript.
Here's what the spec says
The elements used to create controls generally appear inside a FORM
element, but may also appear outside of a FORM element declaration
when they ...