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Setup template for image based on bool value within a Data Template


Setup template for image based on bool value within a Data Template

By : user2955249
Date : November 22 2020, 10:38 AM
To fix the issue you can do Create a custom converter implementing the IValueConverter interface, which returns the wanted BitmapImage based on the binding value, you probably only need to create the logic for the Convert method so you can leave the ConvertBack method as is
add your converter to the resources like so
code :


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How to append Template Data to another Template based on Button Click in Meteor JS?

How to append Template Data to another Template based on Button Click in Meteor JS?


By : mfakhro
Date : March 29 2020, 07:55 AM
this will help Use a client side only collection. Clicking adds a new record. Then in home template you loop on this. new Meteor.Collection(null) the null will tell it that it is local only and won't actually create the collection in the MongoDB.
code :
if (Meteor.isClient) {
    var buttonClicks = new Meteor.Collection(null),
            clickCounter = 0;

    Template.hello.events({
        'click button': function () {

            buttonClicks.insert({click: clickCounter++});
        }
    });

    Template.home.helpers({
        clicks: function () {
            return buttonClicks.find({});
        }
    });
}

<template name="home">
{{#each clicks}}
    <input type="text" id="name_{{click}}" />
{{/each}}
</template>
Ignore a template spezialization and explicitly use the unspezialized template (std::vector<bool>)

Ignore a template spezialization and explicitly use the unspezialized template (std::vector<bool>)


By : Awais ali
Date : March 29 2020, 07:55 AM
this one helps. The answer is NO, because there is no guarantee an unspecialized template even exists.
In particular, it's quite reasonable for a compiler to have a specializations for all built-in types. So you typically see a compile-time dispatch: vector forwards to __VectorImplBuiltIn whenever T is a built-in type, and __VectorImplBuiltIn in turn is specialized for each individual case. So vector may use AVX to copy 4 floats at a time, and vector is packed.
What is the syntax for partially specialising a template based on the number of parameters a template template parameter

What is the syntax for partially specialising a template based on the number of parameters a template template parameter


By : 忧郁的红姐姐
Date : March 29 2020, 07:55 AM
it helps some times tl;dr: your code is valid, but no compiler handles it correctly; even those that accept it (gcc and ICC (Intel C++ Compiler)) do so inconsistently or for the wrong reason.
The correct reasoning is as follows:
code :
// rewrite corresponding to primary
template<template<typename...> class TTP, typename... Ts>
int f(SS<TTP, Ts...>) { return 0; } // #0

// rewrite corresponding to specialization
template<template<typename> class OneParam, typename... Ts>
int f(SS<OneParam, Ts...>) { return 1; } // #1

int ssoi = f(SS<One, int>{});
// #1 -> #0
template<template<typename...> class TTP, typename... Ts>
int f0(SS<TTP, Ts...>);
template<typename> class OneParam1;
int ssoi0 = f0(SS<OneParam1>{});

// #0 -> #1
template<template<typename> class OneParam, typename... Ts>
int f1(SS<OneParam, Ts...>);
template<typename...> class TTP0;
int ssoi1 = f1(SS<TTP0>{});
template<template<class> class P> class X { };
template<class...> class C { };
X<C> xc;
template<typename...> class X1;
template<typename> class X2;
template<typename PP> int f(X1<PP>); // #2
template<typename... PP> int f(X1<PP...>); // #3
template<typename PP> int g(X2<PP>); // #4
template<typename... PP> int g(X2<PP...>); // #5
Check if class is of template specialization (with template arguments like bool or int)

Check if class is of template specialization (with template arguments like bool or int)


By : tjackson
Date : March 29 2020, 07:55 AM
it fixes the issue There are no common templates to handle type parameters and non type parameters (and template template parameters).
Overloading based on bool template parameter

Overloading based on bool template parameter


By : wak dol
Date : March 29 2020, 07:55 AM
it fixes the issue You can apply SFINAE, to make Foo(const Foo& other) only valid with Foo.
code :
template <bool B>
class Foo
{
public:
    Foo(const Foo& other);
    template <bool b = B, std::enable_if_t<!b>* = nullptr> // when b is false
    Foo(const Foo<true>& other);
};
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