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Why do you need to invoke an anonymous function on the same line?

...ess function and groups it, but does not call it. The second line groups a string. Both do nothing. (Vincent's first example.) (function (msg){alert(msg)}); ('SO'); // nothing. (foo); (msg); //Still nothing. But (foo) (msg); //works ...
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Forward host port to docker container

... MacOS only hostname docker.for.mac.host.internal instead of localhost. No extra parameters are needed to docker run for this to work. You can pass this in as an env var using -e if you want to keep your container platform agnostic. That way you can connect to the host named in the env var and pass...
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How to free memory in Java?

...emory you may want to consider. For example, say you'd declared a List<String> at the beginning of a method which grew in size to be very large, but was only required until half-way through the method. You could at this point set the List reference to null to allow the garbage collector to p...
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Why is it OK to return a 'vector' from a function?

...oing to return a..." << std::endl; return a; } int main(int argc, char** argv) { MyClass b = my_function(); MyClass c; c = my_function(); return 0; } The output is the following: run my_function() run constructor MyClass::MyClass() my_function is going to return a... run constr...
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How to get certain commit from GitHub project

...ng hash key 31af650ee25f65794b75d4dfefed6fe4758781c1, just get the first 7 chars 31af650. It's the default for GitHub. share | improve this answer | follow | ...
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Design patterns or best practices for shell scripts [closed]

... values. This means that you have to invent a different strategy to return string values. My strategy is to use a variable called RESULT to store the result, and returning 0 if the function completed cleanly. Also, you can raise exceptions if you are returning a value different from zero, and then ...
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Where can I set environment variables that crontab will use?

...eriod is equivalent to the "source" command: tldp.org/LDP/abs/html/special-chars.html#DOTREF – Jeff W Mar 8 '13 at 21:55 ...
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How do I write unencoded Json to my View using Razor?

...lAttendees)) In releases earlier than Beta 2 you did it like: @(new HtmlString(Json.Encode(Model.PotentialAttendees))) share | improve this answer | follow ...
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Generating random numbers in Objective-C

... arc4random_stir(void); void arc4random_addrandom(unsigned char *dat, int datlen); DESCRIPTION The arc4random() function uses the key stream generator employed by the arc4 cipher, which uses 8*8 8 bit S-Boxes. The S-Boxes can be in about (2**1700) states. The arc4random(...
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Best Timer for using in a Windows service

... Console.WriteLine("{0} Creating timer.\n", DateTime.Now.ToString("h:mm:ss.fff")); Timer stateTimer = new Timer(timerDelegate, autoEvent, 1000, 250); // When autoEvent signals, change the period to every // 1/2 second. autoEvent.Wait...