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Set the selected index of a Dropdown using jQuery
...dex = 0;
// sets selected index to first item using jQuery (can work on multiple elements)
$("select#elem").prop('selectedIndex', 0);
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ExecutorService, how to wait for all tasks to finish
...parlance, you'll need to modify or wrap ComputeDTask to implement Callable<>, which can give you quite a bit more flexibility. Probably in your app there is a meaningful implementation of Callable.call(), but here's a way to wrap it if not using Executors.callable().
ExecutorService es = Exe...
jQuery: Get selected element tag name
...
You can call .prop("tagName"). Examples:
jQuery("<a>").prop("tagName"); //==> "A"
jQuery("<h1>").prop("tagName"); //==> "H1"
jQuery("<coolTagName999>").prop("tagName"); //==> "COOLTAGNAME999"
If writing out .prop("tagName") is tedious, you can c...
Mixing C# & VB In The Same Project
...iles to 1 assembly usually) has to be one language. However, you can use multiple assemblies, and each can be coded in a different language because they are all compiled to CIL.
It compiled fine and didn't complain because a VB.NET project will only actually compile the .vb files and a C# project wi...
Adding additional data to select options using jQuery
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HTML Markup
<select id="select">
<option value="1" data-foo="dogs">this</option>
<option value="2" data-foo="cats">that</option>
<option value="3" data-foo="gerbils">other</option>
</sele...
ReadOnlyCollection or IEnumerable for exposing member collections?
...all this member and you guarantee that no code will ever use:
ICollection<Foo> evil = (ICollection<Foo>) bar.Foos;
evil.Add(...);
then sure, no harm will be done if you just return the collection directly. I generally try to be a bit more paranoid than that though.
Likewise, as you s...
How to check for the type of a template parameter?
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Use is_same:
#include <type_traits>
template <typename T>
void foo()
{
if (std::is_same<T, animal>::value) { /* ... */ } // optimizable...
}
Usually, that's a totally unworkable design, though, and you really want to speci...
In Python, how do I split a string and keep the separators?
...the text of all groups in the pattern are also returned as part of the resulting list."
– Vinay Sajip
Jan 25 '10 at 23:54
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How to Set Variables in a Laravel Blade Template
... a php tag as you wrote it or register a new blade tag. Just an example:
<?php
/**
* <code>
* {? $old_section = "whatever" ?}
* </code>
*/
Blade::extend(function($value) {
return preg_replace('/\{\?(.+)\?\}/', '<?php ${1} ?>', $value);
});
...
How to specialize std::hash::operator() for user-defined type in unordered containers?
To support user-defined key types in std::unordered_set<Key> and std::unordered_map<Key, Value>
one has to provide operator==(Key, Key) and a hash functor:
...