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Difference between socket and websocket?
...kets in their implementation. Websockets are based on a standard protocol (now in final call, but not yet final) that defines a connection "handshake" and message "frame." The two sides go through the handshake procedure to mutually accept a connection and then use the standard message format ("fram...
Flatten an Array of Arrays in Swift
Is there a counterpart in Swift to flatten in Scala, Xtend, Groovy, Ruby and co?
14 Answers
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Is it better to use Enumerable.Empty() as opposed to new List() to initialize an IEnumerable
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I think most postings missed the main point. Even if you use empty array or empty list, those are objects and they are stored in memory. Than Garbage Collector has to take care of them. If you are dealing with high throughput application, it could be noticeable impact.
Enum...
Could not load file or assembly 'System.Web.Mvc'
...ction to Uninstall and Uninstall it
Once done, install it again and try it now
This will automatically fix all issues with references.
See image below:
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How to Create Multiple Where Clause Query Using Laravel Eloquent?
...= ['field' => 'value', 'another_field' => 'another_value', ...];
// if you need another group of wheres as an alternative:
$orThose = ['yet_another_field' => 'yet_another_value', ...];
Then:
$results = User::where($matchThese)->get();
// with another group
$results = User::where($ma...
Is it possible to clone html element objects in JavaScript / JQuery?
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It is VERY important to modify the ID when you clone an element.
– Dragos Durlut
Oct 9 '12 at 10:47
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Difference between del, remove and pop on lists
Is there any difference between the above three methods to remove an element from a list?
11 Answers
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Call a “local” function within module.exports from another function in module.exports?
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I think that this is better than the accepted answer. If you define functions outside of the exports scope, it adds an extra level of indirection, and while it can be desirable sometimes, it makes it more complicated, to refactor, e.g. rename the function, of find usage of the f...
What are some uses of decltype(auto)?
...instantiation was encountered when the return type of the template was specified as decltype(iter(Int<i-1>{})) instead of decltype(auto).
template<int i>
struct Int {};
constexpr auto iter(Int<0>) -> Int<0>;
template<int i>
constexpr auto iter(Int<i>) ->...
Symfony 2: How do I check if a user is not logged in inside a template?
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You can check if app.user is set.
{% if app.user %}
# user is logged in
{% else %}
# user is not logged in
{% endif %}
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