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C/C++ Struct vs Class
...ere was a difference in the first place long ago, back when C++ was still known as "C with Classes."
Note that C unions work with C++, but not the other way around. For example
union WorksWithCppOnly{
WorksWithCppOnly():a(0){}
friend class FloatAccessor;
int a;
private:
float b;
}...
How to cast int to enum in C++?
...ven worse, a reinterpret_cast or even a combination of those. Even if you know now in what it will degrade, suppose you change a to another type later on, it could very well be the type of casting changes without you ever getting as much as a warning, you don't want that.
– Kil...
Error to install Nokogiri on OSX 10.9 Maverick?
... I ran xcode-select --install before the brew install and all works now.
– Quickredfox
Nov 20 '13 at 0:10
1
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Is Hash Rocket deprecated?
...omplication to me. Seems like a poorly thought out gee-whiz idea to me and now we're stuck with it and the related confusion forever.
– mu is too short
Apr 19 '12 at 0:05
8
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Escape Character in SQL Server
...' returns the error Unclosed quotation mark after the character string ''. Nowhere in my answer do I use " only two ', not sure why mine is the only answer with down votes.
– Seph
Aug 19 '15 at 12:23
...
How to set working/current directory in Vim?
...
@falstro, do you know how :cd command can apply to all windows within the same vim running instances? Ex: when using split :sp
– mgouin
Jan 19 '17 at 21:29
...
How to get POSTed JSON in Flask?
I'm trying to build a simple API using Flask, in which I now want to read some POSTed JSON. I do the POST with the Postman Chrome extension, and the JSON I POST is simply {"text":"lalala"} . I try to read the JSON using the following method:
...
How to check if a database exists in SQL Server?
...EN 1
ELSE 0
END
AS BIT)
return @result
END
GO
Now you can use it like this:
select [dbo].[DatabaseExists]('master') --returns 1
select [dbo].[DatabaseExists]('slave') --returns 0
share
...
Python - List of unique dictionaries
... this is overkill; @gnibbler's solution would be faster and easier.
EDIT: Now there is a comment from André Lima explicitly saying that if the ID is a duplicate, it's safe to assume that the whole dict is a duplicate. So this answer is overkill and I recommend @gnibbler's answer.
...
Test if a property is available on a dynamic variable
...
Thanks, looks really complete now.
– bland
Nov 15 '13 at 14:08
@dav_i it'...