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JavaScript by reference vs. by value [duplicate]
...omprehensive reading material on when JavaScript passes something by value and when by reference and when modifying a passed item affects the value outside a function and when not. I'm also interested in when assigning to another variable is by reference vs. by value and whether that follows any di...
How to quickly clear a JavaScript Object?
... Some companies have to support IE6 as a matter of policy - and will while it enjoys double-digit market share. The IE GC issue isn't that things go uncollected, it's that collection runs every X allocations, and takes longer each time. Thus the need to reuse objects.
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HTTP GET Request in Node.js Express
...I need to connect to another service. I am hoping the call is asynchronous and that the callback contains the remote server's response.
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How to check if array element exists or not in javascript?
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Unfortunately, this one doesn't work in IE 7 and below.
– darksoulsong
Oct 7 '14 at 15:21
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mongo group query how to keep fields
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@Juliomac, I believe if your desired output is $max/$min and keeping fields that are not in the $group _id, you can $sort before with the desired field then group and use $first or $last operators on any field. When accumulating, the idea to include other fields (which are accumula...
android fragment- How to save states of views in a fragment when another fragment is pushed on top o
In android, a fragment (say FragA ) gets added to the backstack and another fragment (say FragB ) comes to the top. Now on hitting back FragA comes to the top and the onCreateView() is called. Now I had FragA in a particular state before FragB got pushed on top of it.
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How to close tag properly?
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<img src='stackoverflow.png' />
Works fine and closes the tag properly. Best to add the alt attribute for people that are visually impaired.
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Has anyone actually implemented a Fibonacci-Heap efficiently?
...g/fibonacci_heap.hpp. This file has apparently been in pending/ for years and by my projections will never be accepted. Also, there have been bugs in that implementation, which were fixed by my acquaintance and all-around cool guy Aaron Windsor. Unfortunately, most of the versions of that file th...
.htaccess redirect all pages to new domain
...ited the code so it can finally work. (the correct is to redirect if EQUAL and not DIFFERENT to olddomain, that ! was the problem)
– carla
Jan 20 '17 at 18:59
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What is Angular.noop used for?
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@abyrne85 It is more aesthetically pleasing and a good practice to use angular.noop as you always reuse the same empty function (instead of declaring a new anonymous function everytime). Performance-wise it makes no difference as the code for angular.noop is just an em...