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What is the advantage of GCC's __builtin_expect in if else statements?
I came across a #define in which they use __builtin_expect .
6 Answers
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Change key pair for ec2 instance
How do I change the key pair for my ec2 instance in AWS management console? I can stop the instance, I can create new key pair, but I don't see any link to modify the instance's key pair.
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Preventing Laravel adding multiple records to a pivot table
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The $id parameter for the method attach() is mixed, it can be an int or instance of model ;) - see github.com/laravel/framework/blob/master/src/Illuminate/…
– Rob Gordijn
Jul 5 '13 at 8:08
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How to implement the factory method pattern in C++ correctly
There's this one thing in C++ which has been making me feel uncomfortable for quite a long time, because I honestly don't know how to do it, even though it sounds simple:
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How to return smart pointers (shared_ptr), by reference or by value?
Let's say I have a class with a method that returns a shared_ptr .
2 Answers
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What is the difference between statically typed and dynamically typed languages?
... new programming languages are dynamically typed but what does it actually mean when we say a language is dynamically typed vs. statically typed?
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What is the difference between JDK and JRE?
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The JRE is the Java Runtime Environment. It is a package of everything necessary to run a compiled Java program, including the Java Virtual Machine (JVM), the Java Class Library, the java command, and other infrastructure. However, it cannot be used ...
What's the difference between hard and soft floating point numbers?
... software. The difference is speed. It's strange to see both used on the same target architecture, since the chip either has an FPU or doesn't. You can enable soft floating point in GCC with -msoft-float. You may want to recompile your libc to use hardware floating point if you use it.
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@RequestBody and @ResponseBody annotations in Spring
Can someone explain the @RequestBody and @ResponseBody annotations in Spring 3? What are they for? Any examples would be great.
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Submitting HTML form using Jquery AJAX
...POST action. Because of this the below will all describe doing a POST. Sometimes however with http you might want a different action and would likely want to utilitize .ajax.
My code specifically for you (described in code comments):
/* attach a submit handler to the form */
$("#formoid").subm...