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C++11 rvalues and move semantics confusion (return statement)
...t will inhibit return value optimization.
The best way to code what you're doing is:
Best practice
std::vector<int> return_vector(void)
{
std::vector<int> tmp {1,2,3,4,5};
return tmp;
}
std::vector<int> rval_ref = return_vector();
I.e. just as you would in C++03. tmp is ...
Is it possible to search for a particular filename on GitHub?
...
Does the search user.rb in:path do what you want to do?
Alternatively there is also this search filename:user.rb
Found on: https://help.github.com/articles/searching-code/
...
What is Autoloading; How do you use spl_autoload, __autoload and spl_autoload_register?
...riable and use it to "include" the appropriate class/file. As a result you don't specifically need to include that class via an include/require statement...
Just simply call the class you want to instantiate like in the example above, and since you registered a function (via spl_autoload_register(...
How to retrieve a module's path?
...to the .pyc file that was loaded, at least on Mac OS X. So I guess you can do:
import os
path = os.path.abspath(a_module.__file__)
You can also try:
path = os.path.dirname(a_module.__file__)
To get the module's directory.
...
How expensive is RTTI?
...egardless of compiler, you can always save on runtime if you can afford to do
if (typeid(a) == typeid(b)) {
B* ba = static_cast<B*>(&a);
etc;
}
instead of
B* ba = dynamic_cast<B*>(&a);
if (ba) {
etc;
}
The former involves only one comparison of std::type_info; the la...
Avoid passing null as the view root (need to resolve layout parameters on the inflated layout's root
...
Instead of doing
convertView = infalInflater.inflate(R.layout.list_item, null);
do
convertView = infalInflater.inflate(R.layout.list_item, parent, false);
It will inflate it with the given parent, but won't attach it to the parent...
Best way to create custom config options for my Rails app?
...
For general application configuration that doesn't need to be stored in a database table, I like to create a config.yml file within the config directory. For your example, it might look like this:
defaults: &defaults
audiocast_uri_format: http://blablalba/blabb...
In mocha testing while calling asynchronous function how to avoid the timeout Error: timeout of 2000
...
describe('...', function(){
this.timeout(15000);
it('...', function(done){
this.timeout(15000);
setTimeout(done, 15000);
});
});
For more info see the docs.
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Why is Thread.Sleep so harmful
...The length of a timeslice is different on different versions/types of
Windows and different processors and generally ranges from 15 to 30
milliseconds. This means the thread is almost guaranteed to block for
more than n milliseconds. The likelihood that your thread will
re-awaken exactly a...
Understanding the meaning of the term and the concept - RAII (Resource Acquisition is Initialization
...ing the stack to trigger cleanup" (UTSTTC:)?
RAII is telling you what to do: Acquire your resource in a constructor! I would add: one resource, one constructor. UTSTTC is just one application of that, RAII is much more.
Resource Management sucks. Here, resource is anything that needs cleanup afte...