... The distinction between a clustered vs. non-clustered index is that the clustered index determines the physical order of the rows in the database. In other words, applying the clustered index to PersonId means that the rows will be physically sorted by PersonId in the table, all...

I'd like to use git to record all the changes to a file. 18 Answers 18 ...

... in the array. insert(value): append the value to array and let i be its index in A. Set H[value]=i. remove(value): We are going to replace the cell that contains value in A with the last element in A. let d be the last element in the array A at index m. let i be H[value], the index in the array o...

...ent above, the callback is called with three: The value of each entry, the index of that entry, and a reference to the array you're iterating over (in case your function doesn't already have it handy). Unless you're supporting obsolete browsers like IE8 (which NetApps shows at just over 4% market s...

... k is the index of the element you want to swap – sf8193 May 9 at 20:24 ...

...d. a, the first element, ends up at the second position, so we assign it index 1. b ends up at the fourth position, which would be index 3, but it's the third remaining one, so we assign it 2. c ends up at the first remaining position, which is always 0. d ends up at the last remaining position, ...

...re "advanced" features like branching and merging let you have multiple parallel lines of development. You can work in two simultaneous features without interference and switch back and forth without much hassle. You can see "what changed". This may sound basic, but that's something I find myself ch...

...score _.groupBy supports an iteratee that is passed the parameters (value, index, originalArray), while in Lodash, the iteratee for _.groupBy is only passed a single parameter: (value). Underscore _.indexOf with 3rd parameter undefined is Lodash _.indexOf Underscore _.indexOf with 3rd paramete...

...by @KennyTMs works great, however if a lambda has no parameters, using the index arg<0> does not compile. If anyone else was having this problem, I have a simple solution (simpler than using SFINAE related solutions, that is). Just add void to the end of the tuple in the arg struct after the...

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