Go templates: How do I access array item (arr[2]) in templates?
You need to use the index template function. {{index .a 2}}
templates
How to pass selected, named arguments to Jinja2’s include context?
Jinja2 has an extension that enables the with keyword – it won’t give you the same syntax as Django, and it may not work the way you anticipate but you could do this: {% with articles=articles_list1 %} {% include “list.html” %} {% endwith %} {% with articles=articles_list2 %} {% include “list.html” %} {% endwith %} … Read more
explicit specialization of template class member function
It doesn’t work that way. You would need to say the following, but it is not correct template <class C> template<> void X<C>::get_as<double>() { } Explicitly specialized members need their surrounding class templates to be explicitly specialized as well. So you need to say the following, which would only specialize the member for X<int>. template … Read more
Non-type template parameters
The reason you can’t do this is because non-constant expressions can’t be parsed and substituted during compile-time. They could change during runtime, which would require the generation of a new template during runtime, which isn’t possible because templates are a compile-time concept. Here’s what the standard allows for non-type template parameters (14.1 [temp.param] p4): A … Read more
Template specialization of a single method from a templated class
As with simple functions you can use declaration and implementation. Put in your header declaration: template <> void TClass<int>::doSomething(std::vector<int> * v); and put implementation into one of your cpp-files: template <> void TClass<int>::doSomething(std::vector<int> * v) { // Do somtehing with a vector of int’s } Don’t forget to remove inline (I forgot and thought this … Read more
Can I set up HTML/Email Templates with ASP.NET?
There’s a ton of answers already here, but I stumbled upon a great article about how to use Razor with email templating. Razor was pushed with ASP.NET MVC 3, but MVC is not required to use Razor. This is pretty slick processing of doing email templates As the article identifies, “The best thing of Razor … Read more
Is there an idiomatic file extension for Jinja templates?
2021 update:: Jinja now officially recommends using the extension .jinja. check docs Update: Things changed since I wrote this answer, .jinja2 and .j2 are trending. Jinja Authors did not define a default extension. Most of Jinja template editors like Vim extension, TextMate extension, Emacs extension, and PyCharm mention no default extension to enforce Jinja highlighting. … Read more
Access a map value using a variable key in a Go template
You use the index function: {{index .Amap “key1”}} index Returns the result of indexing its first argument by the following arguments. Thus “index x 1 2 3” is, in Go syntax, x[1][2][3]. Each indexed item must be a map, slice, or array. https://golang.org/pkg/text/template#hdr-Functions
How to find Array length inside the Handlebar templates?
My Bad…. {{array.length}} actually worked inside the template. Should have checked/tested it before posting it here.
C++ Get name of type in template
The solution is typeid(T).name() where typeid(T) returns std::type_info.