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How do I typedef a function pointer with the C++11 using syntax?
... function ptr when the alias begins with "auto(*)" and it's not obfuscated by the identifier names.
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typedef someStructureWithAWeirdName& (FunctionPtr*)(type1*, type2**, type3<type4&>);
with
using FunctionPtr = auto (*)(type1*, type2**, type3<type4&>) -> someSt...
Remove all child elements of a DOM node in JavaScript
...ng).
doFoo.onclick = () => {
const myNode = document.getElementById("foo");
myNode.innerHTML = '';
}
<div id='foo' style="height: 100px; width: 100px; border: 1px solid black;">
<span>Hello</span>
</div>
<button id='doFoo'>Remove via innerHTML</...
How to Update Multiple Array Elements in mongodb
...e worth while to update this accepted answer with a referral to the answer by Neil Lunn.
– Jaap
Dec 8 '17 at 20:52
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Laravel Eloquent: How to get only certain columns from joined tables
... $query->select('id', 'name');
}])->get();
First answer by user2317976 did not work for me, i am using laravel 5.1
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Mysql - How to quit/exit from stored procedure
...situation in which there was no error, then use the accepted answer posted by @piotrm. Most typically, however, you will be bailing due to an error condition (especially in a SQL procedure).
As of MySQL v5.5 you can throw an exception. Negating exception handlers, etc. that will achieve the same...
Getting an object from an NSSet
...
You can also look up a known object by a potential duplicate by sending the set a member: message. If it returns nil, the set does not contain an object equal to the one you passed; if it returns an object pointer, then the pointer it returns is to the object a...
Copying files from host to Docker container
... mycontainer is a container ID, not an image ID.
Multiple files contained by the folder src can be copied into the target folder using:
docker cp src/. mycontainer:/target
docker cp mycontainer:/src/. target
Reference: Docker CLI docs for cp
In Docker versions prior to 1.8 it was only possible...
Difference between SelectedItem, SelectedValue and SelectedValuePath
...wer a little more conceptually:
SelectedValuePath defines which property (by its name) of the objects bound to the ListBox's ItemsSource will be used as the item's SelectedValue.
For example, if your ListBox is bound to a collection of Person objects, each of which has Name, Age, and Gender proper...
How to manually set an authenticated user in Spring Security / SpringMVC
...uest request) {
try {
// Must be called from request filtered by Spring Security, otherwise SecurityContextHolder is not updated
UsernamePasswordAuthenticationToken token = new UsernamePasswordAuthenticationToken(username, password);
token.setDetails(new WebAuthenticatio...
How to submit form on change of dropdown list?
... of how innocuous and ubiquitous it is.
– Nathan Hornby
Apr 11 '14 at 14:50
7
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