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What does iterator->second mean?
...ough two members: first and second. So if you have a std::pair<X, Y> called p, p.first is an X object and p.second is a Y object.
So now you know that dereferencing a std::map iterator gives you a std::pair, you can then access its elements with first and second. For example, (*it).first will...
How to define @Value as optional
...by 'not required' you mean null then...
You have correctly noted that you can supply a default value to the right of a : character. Your example was @Value("${myValue:DEFAULT}").
You are not limited to plain strings as default values. You can use SPEL expressions, and a simple SPEL expression to ...
.NET Process.Start default directory?
I'm firing off a Java application from inside of a C# .NET console application. It works fine for the case where the Java application doesn't care what the "default" directory is, but fails for a Java application that only searches the current directory for support files.
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Mercurial .hgignore for Visual Studio 2010 projects
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@David: That's for Windows thumbnail cache files "thumbs.db" read more about it here: en.wikipedia.org/wiki/Windows_thumbnail_cache
– Shady M. Najib
Apr 13 '11 at 19:34
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Target elements with multiple classes, within one rule
...
Just in case someone stumbles upon this like I did and doesn't realise, the two variations above are for different use cases.
The following:
.blue-border, .background {
border: 1px solid #00f;
background: #fff;
}
is for w...
Duplicate headers received from server
...thought I would throw in the answer I found from Chrome, pdf display, Duplicate headers received from the server
Basically my problem also was that the filename contained commas. Do a replace on commas to remove them and you should be fine. My function to make a valid filename is below.
publ...
If I have ACCESS_FINE_LOCATION already, can I omit ACCESS_COARSE_LOCATION?
I have a GPS app that already requests ACCESS_FINE_LOCATION permission in the manifest, now I want to add a library (MoPub) that requires ACCESS_COARSE_LOCATION .
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What's the difference of $host and $http_host in Nginx
...ilable.
This variable may have a different value from $http_host in such
cases: 1) when the Host input header is absent or has an empty value,
$host equals to the value of server_name directive; 2)when the value
of Host contains port number, $host doesn't include that port number.
$host's value is...
jQuery add image inside of div tag
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I can't respond to Jose Basilio above (not enough rep) but append will put it AFTER "Where is the image?". Prepend will put it before.
– Topher Fangio
Jun 2 '09 at 18:49
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Entity Framework - Add Navigation Property Manually
...lick on the designer, Add -> Association
2 - Setup the association and cardinalities (People *..1 Gender, People *..1 Race)
3 - Go into the Model Browser -> Associations
4 - Right click on your newly created associations, click Properties
5 - Here you need to setup the endpoints for the ke...