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RAII and smart pointers in C++
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which headers or libraries should I include to use these? any further readings on this?
– atoMerz
May 13 '11 at 12:11
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How do I call Objective-C code from Swift?
...added to your project in build settings (in the Prefix Header field). This includes frameworks like UIKit and Foundation, even if those are already used from within Swift. This tripped me up for hours, and no one seems to have documented these steps.
– user1021430
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Declaring an enum within a class
...general, I always put my enums in a struct. I have seen several guidelines including "prefixing".
enum Color
{
Clr_Red,
Clr_Yellow,
Clr_Blue,
};
Always thought this looked more like C guidelines than C++ ones (for one because of the abbreviation and also because of the namespaces in C++).
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Escape quote in web.config connection string
...'
Update 3:
From MSDN (SqlConnection.ConnectionString Property):
To include values that contain a semicolon, single-quote character, or double-quote character, the value must be enclosed in double quotation marks. If the value contains both a semicolon and a double-quote character, the value ...
Logging Clientside JavaScript Errors on Server [closed]
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You can also encrypt a token that includes the user's ID, IP, a small random string (to foil known-plaintext attacks if your encryption algorithm is fast but weak), and a timestamp and include that as a JS variable in the page. This can then be submitted wit...
How to check if an element is in an array
...nt exists in an array? Xcode does not have any suggestions for contain , include , or has , and a quick search through the book turned up nothing. Any idea how to check for this? I know that there is a method find that returns the index number, but is there a method that returns a boolean like ...
When would anyone use a union? Is it a remnant from the C-only days?
... pregnancies; // for females
} gender_specific_data;
}
Grep the include files for use with your compiler. You'll find dozens to hundreds of uses of union:
[wally@zenetfedora ~]$ cd /usr/include
[wally@zenetfedora include]$ grep -w union *
a.out.h: union
argp.h: parsing options, getop...
How to get the caret column (not pixels) position in a textarea, in characters, from the start?
...for those who are interested:
IE's document.selection.createRange doesn't include leading or trailing blank lines
To account for trailing line breaks is tricky in IE, and I haven't seen any solution that does this correctly, including any other answers to this question. It is possible, however, us...
Docker - a way to give access to a host USB or serial device?
...hat's unsafe as it maps all the devices from your host into the container, including raw disk devices and so forth. Basically this allows the container to gain root on the host, which is usually not what you want.
Using the cgroups approach is better in that respect and works on devices that get add...
How do I convert a Ruby class name to a underscore-delimited symbol?
...e.gsub(/([^\^])([A-Z])/,'\1_\2').downcase.to_sym
end
end
def self.included(base)
base.extend(ClassMethods)
end
end
class ThisIsMyClass
include MyModule
end
ThisIsMyClass.class_to_sym #:this_is_my_class
s...