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What does FETCH_HEAD in Git mean?

...it like doing git fetch without arguments (or git remote update), updating all your remote branches, then running git merge origin/<branch>, but using FETCH_HEAD internally instead to refer to whatever single ref was fetched, instead of needing to name things. ...
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How does type Dynamic work and how to use it?

... Scalas type Dynamic allows you to call methods on objects that don't exist or in other words it is a replica of "method missing" in dynamic languages. It is correct, scala.Dynamic doesn't have any members, it is just a marker interface - the co...
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What is a lambda (function)?

...us and refers to anonymous functions in programming. Why is this cool? It allows you to write quick throw away functions without naming them. It also provides a nice way to write closures. With that power you can do things like this. Python def adder(x): return lambda y: x + y add5 = adder(5)...
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Javascript Drag and drop for touch devices [closed]

...r("touchcancel", touchHandler, true); } And in your document.ready just call the init() function code found from Here share | improve this answer | follow ...
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Accessing nested JavaScript objects and arays by string path

... great stuff; using the lodash library, one can also do: _.get(object, nestedPropertyString); – ian Aug 13 '15 at 12:49 17 ...
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What to do Regular expression pattern doesn't match anywhere in string?

... Contrary to all the answers here, for what you're trying to do regex is a perfectly valid solution. This is because you are NOT trying to match balanced tags-- THAT would be impossible with regex! But you are only matching what's in one ...
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How can you encode a string to Base64 in JavaScript?

... in 8 bits, it will probably break. This isn’t a problem if you’re actually treating the string as a byte array, but if you’re trying to do something else then you’ll have to encode it first. atob() returns a “string” where each character represents an 8-bit byte – that is, its value w...
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What is this weird colon-member (“ : ”) syntax in the constructor?

...tion about it in any good C++ book. You should, in most cases, initialize all member objects in the member initialization list (however, do note the exceptions listed at the end of the FAQ entry). The takeaway point from the FAQ entry is that, All other things being equal, your code will run...
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Remove not alphanumeric characters from string

...e them. A backslash in the string needs escaping if it's to be taken literally: "\\test\\red\\bob\\fred\\new".replace(/\W/g, '') "testredbobfrednew" // output Handling malformed strings If you're not able to escape the input string correctly (why not?), or it's coming from some kind of untruste...
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How to override the copy/deepcopy operations for a Python object?

...ully, but this is the first time I've actually gone about overloading the __copy__ and __deepcopy__ methods. I've already Googled around and looked through the built-in Python modules to look for instances of the __copy__ and __deepcopy__ functions (e.g. sets.py , decimal.py , and fracti...