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ThreadStatic v.s. ThreadLocal: is generic better than attribute?

... [ThreadStatic] static int value = 10; static void Main(string[] args) { value = 25; Task t1 = Task.Run(() => { value++; Console.WriteLine("T1: " + value); }); Task t2 = Task.Ru...
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Understanding events and event handlers in C#

...is delegate can be used to point to methods //which return void and take a string. public delegate void MyEventHandler(string foo); //This event can cause any method which conforms //to MyEventHandler to be called. public event MyEventHandler SomethingHappened; //Here is some code I want to be exe...
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How to sort with a lambda?

... return os; }; }; typedef std::vector<Foo> VectorT; std::string toString(const VectorT& v) { std::stringstream ss; std::copy(v.begin(), v.end(), std::ostream_iterator<Foo>(ss, ", ")); return ss.str(); }; int main() { VectorT v(10); std::for_each(v.be...
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What is the difference between id and class in CSS, and when should I use them? [duplicate]

Here I gave an id to the div element and it's applying the relevant CSS for it. 15 Answers ...
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What is the cleanest way to disable CSS transition effects temporarily?

...ore the transition as specified in the CSS, set the transition to an empty string. // Remove the transition elem.style.transition = 'none'; // Restore the transition elem.style.transition = ''; If you're using vendor prefixes, you'll need to set those too. elem.style.webkitTransition = 'none' ...
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How to store date/time and timestamps in UTC time zone with JPA and Hibernate

... to tell MySql to use timezone by using useTimezone=true in the connection string. Then only setting property hibernate.jdbc.time_zone will work – TheCoder Oct 13 '18 at 19:08 ...
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.prop('checked',false) or .removeAttr('checked')?

...ht be useful is if the DOM is later going to be serialized back to an HTML string. In all other cases, .prop( "checked", false ) should be used instead. Changelog Hence only .prop('checked',false) is correct way when using this version. Original answer (from 2011): For attributes which have underl...
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Is there a “null coalescing” operator in JavaScript?

... coalescing operator (??) is using a logical OR (||): var whatIWant = someString || "Cookies!"; There are cases (clarified below) that the behaviour won't match that of C#, but this is the general, terse way of assigning default/alternative values in JavaScript. Clarification Regardless of th...
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How should a model be structured in MVC? [closed]

... because I am lazy: public function loginWithPassword(Identity $identity, string $password): string { if ($identity->matchPassword($password) === false) { $this->logWrongPasswordNotice($identity, [ 'email' => $identity->getEmailAddress(), 'key' => ...
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Sending websocket ping/pong frame from browser

... Or is it just a design pattern (e.g. I literally send "ping" or any other string to the server and have it respond). Is ping-pong at all related to continuation frames? ...