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Why would I ever use push_back instead of emplace_back?

...ob is to generate the code you wrote. The optimizing compiler's job is actually to generate the code you would have written if you were an expert on platform-specific optimizations and did not care about maintainability, just performance. The actual difference between these two statements is that t...
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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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How to Convert JSON object to Custom C# object?

...ith it. An example of how to use it: public class User { public User(string json) { JObject jObject = JObject.Parse(json); JToken jUser = jObject["user"]; name = (string) jUser["name"]; teamname = (string) jUser["teamname"]; email = (string) jUser["e...
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Any way to declare an array in-line?

Let's say I have a method m() that takes an array of Strings as an argument. Is there a way I can just declare this array in-line when I make the call? i.e. Instead of: ...
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Send POST request using NSURLSession

...configuration delegate:self delegateQueue:nil]; NSURL *url = [NSURL URLWithString:@"[JSON SERVER"]; NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:url cachePolicy:NSURLRequestUseProtocolCachePolicy ...
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Get an object's class name at runtime

...u could also create a type-declaration instead: interface Function { name: string; } -- this will extend the "native" definition. – John Weisz Sep 21 '16 at 12:52 ...
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Passing arrays as parameters in bash

...tes removed. If you do not, the value of the original array is read as one string and assigned to argAry1[0] and argAry2[0] respectively, basically meaning the array structure is lost. – user.friendly Mar 5 '16 at 23:02 ...
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Performance difference between IIf() and If

...1 Sub Main() Dim test As Boolean = False Dim result As String = IIf(test, Foo(), Bar()) End Sub Public Function Foo() As String Console.WriteLine("Foo!") Return "Foo" End Function Public Function Bar() As String Console.WriteLine("Bar!") ...
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Targeting position:sticky elements that are currently in a 'stuck' state

...an intersection observer to notify when elements with the class * `.sticky_sentinel--top` become visible/invisible at the top of the container. * @param {!Element} container */ function observeHeaders(container) { const observer = new IntersectionObserver((records, observer) => { for (co...
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Can I set null as the default value for a @Value in Spring?

...lValue of the PropertyPlaceholderConfigurer. For the example I'm using the string @null but you can also use the empty string as nullValue. <bean id="propertyConfigurer" class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer"> <!-- config the location(s) of the p...