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Are Exceptions in C++ really slow
...l exception specifications were removed, and replaced with the noexcept keyword.
The C++11 standard also added support for storing and rethrowing exceptions, which is great for propagating C++ exceptions across C language callbacks. This support effectively constrains how the current exception can ...
Why do people use Heroku when AWS is present? What distinguishes Heroku from AWS? [closed]
...'m a 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...
...
How does Access-Control-Allow-Origin header work?
...e), the behavior is identical to how a simple request is handled. In other words, a non-simple request whose preflight is successful is treated the same as a simple request (i.e., the server must still send Access-Control-Allow-Origin again for the actual response).
The browsers sends the actual re...
Absolute vs relative URLs
...http://en.wikipedia.org/wiki/URI_scheme#Generic_syntax
foo://username:password@example.com:8042/over/there/index.dtb;type=animal?name=ferret#nose
\ / \________________/\_________/ \__/ \___/ \_/ \_________/ \_________/ \__/
| | | | | | ...
Difference between timestamps with/without time zone in PostgreSQL
...zone is the set of rules/history about DST changes and other changes. Your wording seems superfluous. And your statement that "an offset is a time zone plus rules for DST" is simply wrong: an offset is merely a number of hours, minutes, and seconds – nothing more, nothing less.
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Using std Namespace
...ses both where they are defined and where they are imported into. In other words, std::count is visible as count in the global namespace, but only inside increment.
#include <algorithm>
int increment()
{
using namespace std;
static int count = 0;
return ++count;
}
And for simil...
What are type lambdas in Scala and what are their benefits?
...l an ordinary function (that maps non functions to non functions, in other words, plain values to plain values) higher order function.
– jhegedus
Dec 30 '14 at 5:02
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What part of Hindley-Milner do you not understand?
I swear there used to be a T-shirt for sale featuring the immortal words:
6 Answers
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Why should I avoid using Properties in C#?
...d may cause
observable side effects; field access
never does. In other words, a user of
a type should be able to set various
properties defined by a type in any
order he or she chooses without
noticing any different behavior in the
type.
Fair.
• A property method may require
...
What is the difference between Bower and npm?
...tions between Bower and npm. If you read the answers above, you'll see the word 'modules' used often in the context of npm. But it's mentioned casually, as if it might even just be a syntax difference.
But this distinction of modules vs. globals (or modules vs. 'scripts') is possibly the most import...