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new keyword in method signature
...
New keyword reference from MSDN:
MSDN Reference
Here is an example I found on the net from a Microsoft MVP that made good sense:
Link to Original
public class A
{
public virtual void One();
public void Two();
}
public class B : A
{
pu...
Why do people use Heroku when AWS is present? What distinguishes Heroku from AWS? [closed]
...beginner RoR programmer who's planning to deploy my app using Heroku. Word from my other advisor friends says that Heroku is really easy, good to use. The only problem is that I still have no idea what Heroku does...
...
Replace part of a string with another string
...ffect you want:
bool replace(std::string& str, const std::string& from, const std::string& to) {
size_t start_pos = str.find(from);
if(start_pos == std::string::npos)
return false;
str.replace(start_pos, from.length(), to);
return true;
}
std::string string("hel...
What are rvalues, lvalues, xvalues, glvalues, and prvalues?
...istinction between expressions that can be moved, and in which direction.
From what I guess based on the draft, the r/l value distinction stays the same, only in the context of moving things get messy.
Are they needed? Probably not if we wish to forfeit the new features. But to allow better optim...
Net::SMTPAuthenticationError when sending email from Rails app (on staging environment)
I am sending email from my Rails application. It works well on development environment, but fails on staging. I get the following error:
...
What are the differences in die() and exit() in PHP?
...he difference between die() and exit() in PHP is their origin.
exit() is from exit() in C.
die() is from die in Perl.
FUNCTIONALLY EQUIVALENT
die() and exit() are equivalent functions.
PHP Manual
PHP Manual for die:
This language construct is equivalent to exit().
PHP Manual for exit:...
Illegal pattern character 'T' when parsing a date string to java.util.Date
... in UTC.
Convert to the old class.
java.util.Date date = java.util.Date.from( instant ); // Pass an `Instant` to the `from` method.
Time Zone
If needed, you can assign a time zone.
ZoneId zoneId = ZoneId.of( "America/Montreal" ); // Define a time zone rather than rely implicitly on JVM’s c...
Proper practice for subclassing UIView?
...ods, but when subclassing a UIView, the closest methosds I have are `awakeFromNib , drawRect , and layoutSubviews . (I'm thinking in terms of setup and teardown callbacks.) In my case, I'm setting up my frame and internal views in layoutSubviews , but I'm not seeing anything onscreen.
...
What is the difference between MVC and MVVM? [closed]
...ew is displaying it, but more importantly no idea where its data is coming from.
*Note: in practice Controllers remove most of the logic, from the ViewModel, that requires unit testing. The VM then becomes a dumb container that requires little, if any, testing. This is a good thing as the VM is just...
How do you get git to always pull from a specific branch?
...ifferent projects. In each project, I always git clone [repository] and from that point, can always git pull , so long as I don't have outstanding changes, of course.
...