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MySQL stored procedure vs function, which would I use when?
...s with ordinary SQL, whilst with stored function you can.
e.g. SELECT get_foo(myColumn) FROM mytable is not valid if get_foo() is a procedure, but you can do that if get_foo() is a function. The price is that functions have more limitations than a procedure.
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Call a function after previous function is complete
...fire when expected. The example in my comment above shows that because the foo() function has asynchronous code in it, bar() does not fire it's content after foo()'s content is done executing, even using $.when().then() to call them one after the other. This answer is only valid if (and only if) all...
Check if a variable is of function type
...e are several ways so I will summarize them all
Best way is:
function foo(v) {if (v instanceof Function) {/* do something */} };
Most performant (no string comparison) and elegant solution - the instanceof operator has been supported in browsers for a very long time, so don't worry - it will ...
Print second last column/field in awk
I want to print the second last column or field in awk. The number of fields is variable. I know that I should be able to use $NF but not sure how it can be used.
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Import SQL dump into PostgreSQL database
We are switching hosts and the old one provided a SQL dump of the PostgreSQL database of our site.
15 Answers
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C++ inheritance - inaccessible base?
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You have to do this:
class Bar : public Foo
{
// ...
}
The default inheritance type of a class in C++ is private, so any public and protected members from the base class are limited to private. struct inheritance on the other hand is public by default.
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HTTP test server accepting GET/POST requests
...ou can then submit data:
$ curl -d "[1,2,3]" -XPOST http://localhost:3000/foo/bar
which will be shown in the server's stdout:
POST /foo/bar
{ host: 'localhost:3000',
'user-agent': 'curl/7.54.1',
accept: '*/*',
'content-length': '7',
'content-type': 'application/x-www-form-urlencoded' }
B...
Ignore mapping one property with Automapper
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From Jimmy Bogard: CreateMap<Foo, Bar>().ForMember(x => x.Blarg, opt => opt.Ignore());
It's in one of the comments at his blog.
share
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impro...
Can a Byte[] Array be written to a file in C#?
I'm trying to write out a Byte[] array representing a complete file to a file.
8 Answers
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Can I change the height of an image in CSS :before/:after pseudo-elements?
...t the content as such. Different browsers show very different behaviour
#foo {content: url("bar.jpg"); width: 42px; height:42px;}
#foo::before {content: url("bar.jpg"); width: 42px; height:42px;}
Chrome resizes the first one, but uses the intrinsic dimensions of the image
for the...