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What is the use of having destructor as private?
... //
}
int main ()
{
myclass m; // error: ctor and dtor are private
myclass* mp = new myclass (..); // error: private ctor
myclass* mp = myclass::create(..); // OK
delete mp; // error: private dtor
myclass::destroy...
Why is iostream::eof inside a loop condition (i.e. `while (!stream.eof())`) considered wrong?
...llowing is how eof can be used (and even, be more reliable than fail() for error checking):
while( !(in>>std::ws).eof() ) {
int data;
in >> data;
if ( in.fail() ) /* handle with break or throw */;
// now use data
}
(Thanks Tony D for the suggestion to highlight the ...
Enforcing the type of the indexed members of a Typescript object?
... [key: string]: string; } = {};
stuff['a'] = ''; // ok
stuff['a'] = 4; // error
// ... or, if you're using this a lot and don't want to type so much ...
interface StringMap { [key: string]: string; }
var stuff2: StringMap = { };
// same as above
...
VIM + JSLint?
...cter"] + 1) + ":" + obj["reason"] );
This makes in mylintrun.js output a error list that can be used with the VIM quickfix window (:copen).
Now set the following in VIM:
set makeprg=cat\ %\ \\\|\ /my/path/to/js\ /my/path/to/mylintrun.js\ %
set errorformat=%f:%l:%c:%m
where you have to change /...
Stop setInterval
I want to stop this interval in the error handler from running repeatedly. Is that possible, and if so, how?
6 Answers
...
How to get HTTP response code for a URL in Java?
...IOException ("Failed to authenticate with proxy") which is usually an http error 407. Is there a way where I can get a precision (the http error code) about the exception raised by the getRespondeCode() method? By the way, I know how to handle my error, and I just want to know how to differentiate e...
Is it wrong to place the tag after the tag?
... element are allowed after the end tag for the body.
Browsers may perform error recovery, but you should never depend on that.
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Django - “no module named django.core.management”
I get the following error when trying to run Django from the command line.
21 Answers
...
Disable ActiveRecord for Rails 4
...guration from your config/environments files (this is what is causing your error)
This is all you need to do for an empty Rails app. If you run into problems caused by your existing code, stack trace should give you sufficient information on what you need to change. You might for example have some ...
What is the difference between return and return()?
...o these lines:
return 1;
var a = 1;
The reason return() throws a syntax error is for the exact reason the following line throws an error (return statement included for comparison):
return(); // SyntaxError: syntax error
var a = (); // SyntaxError: syntax error
...