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What is the difference between C++ and Visual C++? [duplicate]
...979 at Bell Labs as an enhancement to the C programming language and originally named "C with Classes". It was renamed to C++ in 1983.
C++ is widely used in the software industry. Some of its application domains include systems software, application software, device drivers, embedded software, high...
Best practice: ordering of public/protected/private within the class definition?
...ode too much probably needs to be balanced with forcing the reader to read all the nitty-gritty detail of private methods. The newspaper metaphor is probably misunderstood in that your public methods should represent broadly what your class does, and your private methods supply the details (almost l...
Can I install Python 3.x and 2.x on the same Windows computer?
I'm running Windows and the shell/OS automatically runs Python based on the registry settings when you run a program on the command line. Will this break if I install a 2.x and 3.x version of Python on the same machine?
...
Insert text into textarea with jQuery
...ave in Jason's comments try:
$('a').click(function() //this will apply to all anchor tags
{
$('#area').val('foobar'); //this puts the textarea for the id labeled 'area'
})
Edit- To append to text look at below
$('a').click(function() //this will apply to all anchor tags
{
$('#area').val(...
Javascript objects: get parent [duplicate]
...}.init();
Inside the init function you can get the parent object simply calling this.
So we define the parent property directly inside the child object.
Then (optionally) we can remove the init method.
Finally we give the main object back as output from the init function.
If you try to get main...
How to go to each directory and execute a command?
...oesn't match anything else than numbers, but in the general case, you basically always want to put the directory name in double quotes inside the loop. cd "$d" would be better in that it transfers to situations where the wildcard does match files whose names contain whitespace and/or shell metachar...
Why does the MongoDB Java driver use a random number generator in a conditional?
...k && Math.random() <= 0.1)
return res;
The commit that originally introduced this logic had
if (_ok == true) {
_logger.log( Level.WARNING , "Server seen down: " + _addr, e );
} else if (Math.random() < 0.1) {
_logger.log( Level.WARNING , "Server seen down: " + _addr );
}
—a...
How to properly override clone method?
...versus Cloning
If you've read the item about cloning in my book, especially if you read between the lines, you will know that I think clone is deeply broken. [...] It's a shame that Cloneable is broken, but it happens.
You may read more discussion on the topic in his book Effective Java 2nd Ed...
How do you beta test an iphone app?
...
In year 2011, there's a new service out called "Test Flight", and it addresses this issue directly.
Apple has since bought TestFlight in 2014 and has integrated it into iTunes Connect and App Store Connect.
...
How can I call controller/view helper methods from the console in Ruby on Rails?
...
To call helpers, use the helper object:
$ ./script/console
>> helper.number_to_currency('123.45')
=> "R$ 123,45"
If you want to use a helper that's not included by default (say, because you removed helper :all from Ap...