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Use of .apply() with 'new' operator. Is this possible?
...or even
// return new (Cls.bind.apply(Cls, arguments));
// if you know that Cls.bind has not been overwritten
}
It can be used as follows:
var s = newCall(Something, a, b, c);
or even directly:
var s = new (Function.prototype.bind.call(Something, null, a, b, c));
var s = new (Function.pro...
How to use the same C++ code for Android and iOS?
...d, it has improved a lot, so the answer is more understandable to everyone now.
Please take a look at the repo so you can download and run the code I'll show below.
The Answer
Before I show the code, please take a lot on the following diagram.
Each OS has its UI and peculiarities, so we intend...
Colspan all columns
...ggling with this damned colspan issue at different times for quite a while now
– hndcrftd
May 6 '11 at 17:56
30
...
Redirect stderr and stdout in Bash
... 2>&1
echo "This line will appear in $LOG_FILE, not 'on screen'"
Now, simple echo will write to $LOG_FILE. Useful for daemonizing.
To the author of the original post,
It depends what you need to achieve. If you just need to redirect in/out of a command you call from your script, the answ...
Connecting overloaded signals and slots in Qt 5
...amp;QSpinBox::valueChanged),
slider, &QSlider::setValue);
I know, it's ugly. But there's no way around this. Today's lesson is: do not overload your signals and slots!
Addendum: what's really annoying about the cast is that
one repeats the class name twice
one has to specify the ...
Difference between /res and /assets directories
I know that files in the res directory are accessible from R.class while assets behaves like a file system, but I would like to know, in general, when it's best to use one and the other.
Can anyone help me in knowing the real differences between res and assets?
...
Variable declared in for-loop is local variable?
...< 5; i++)
{
}
// 'i' is only declared in the method scope now,
// no longer in the child scope -> valid.
i = 4;
// 'i' is declared in the method's scope -> valid.
int A = i;
}
EDIT:
The C# compiler could of course be changed to allow this code to compile ...
How do you create a remote Git branch?
...or the remote branch will be deleted!
So that a subsequent git pull will know what to do, you might instead want to use:
git push --set-upstream <remote-name> <local-branch-name>
As described below, the --set-upstream option sets up an upstream branch:
For every branch that is u...
What does iterator->second mean?
...
I'm sure you know that a std::vector<X> stores a whole bunch of X objects, right? But if you have a std::map<X, Y>, what it actually stores is a whole bunch of std::pair<const X, Y>s. That's exactly what a map is - it pai...
Why are const parameters not allowed in C#?
...ld call some mutating method on a non const alias of the const object, and now the so-called const object has changed.
C-style const provides no guarantee that the object will not change, and is therefore broken. Now, C already has a weak type system in which you can do a reinterpret cast of a doub...