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What is the advantage of using forwarding references in range-based for loops?
...dvantage I can see is when the sequence iterator returns a proxy reference and you need to operate on that reference in a non-const way. For example consider:
#include <vector>
int main()
{
std::vector<bool> v(10);
for (auto& e : v)
e = true;
}
This doesn't compi...
Aspect Oriented Programming vs. Object-Oriented Programming
Like most developers here and in the entire world, I have been developing software systems using object-oriented programming (OOP) techniques for many years. So when I read that aspect-oriented programming (AOP) addresses many of the problems that traditional OOP doesn't solve completely or directly...
Default profile in Spring 3.1
In my application I have beans annotated with @Profile("prod") and @Profile("demo") .
The first one, as you can guess :), is used on beans that connect to production DB and second one annotates beans that use some fake DB ( HashMap or whatever)- to make development faster.
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AngularJS - how to get an ngRepeat filtered result reference
... answered Jul 30 '12 at 13:12
Andrew JoslinAndrew Joslin
42.7k2020 gold badges9696 silver badges7575 bronze badges
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Checking if a field contains a string
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Note that this will not make efficient use of an index and result in all values being scanned for matches. See the notes on Regular Expressions
– Stennie
Jul 18 '12 at 20:54
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When - and why - should you store data in the Windows Registry?
... changes to those options, can't easily port them from machine to machine, and it all makes me really yearn for the good old days of .INI files...
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Programmatically fire button click event?
...ally fire a button click event? I have a button placed there in an UIView, and in a particular scenario i want to click the button via code, not manually as a user. Is it possible in iOS development? Please provide your suggestions and guide me how to do that.
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Printing without newline (print 'a',) prints a space, how to remove?
...aaaaaaaaaaaaaaaaaaa
If you want to do this in general, build up a string and then print it once. This will consume a bit of memory for the string, but only make a single call to print. Note that string concatenation using += is now linear in the size of the string you're concatenating so this will...
How to generate string of a certain length to insert into a file to meet a file size criteria?
...utomatically generate the files. I know the size of each file, ex. 100KB, and how many files to generate. What I need help with is how to generate a string less than or equal to the required file size.
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Learning Ruby on Rails
As it stands now, I'm a Java and C# developer. The more and more I look at Ruby on Rails, the more I really want to learn it.
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