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How is this fibonacci-function memoized?
... passed in and this is easy to verify. The list is a constant that is then indexed into. It is, of course, a constant that is lazily evaluated, so your program does not try to get the whole (infinite) list immediately. Since it's a constant, it can be shared across the function calls.
It's memoized...
how to check if List element contains an item with a Particular Property Value
... list an element exists that matches a given criteria, you can use the FindIndex instance method. Such as
int index = list.FindIndex(f => f.Bar == 17);
Where f => f.Bar == 17 is a predicate with the matching criteria.
In your case you might write
int index = pricePublicList.FindIndex(it...
How to check if an array field contains a unique value or another array in MongoDB?
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Is there any INDEXING we can do on array's to stop duplicate? If yes, please guide how.
– Hitesh Joshi
Sep 29 '12 at 8:56
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Why are there two ways to unstage a file in Git?
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git rm --cached is used to remove a file from the index. In the case where the file is already in the repo, git rm --cached will remove the file from the index, leaving it in the working directory and a commit will now remove it from the repo as well. Basically, after the co...
How can I return the current action in an ASP.NET MVC view?
...ext.Controller.GetType().Name , but how do I get the current action (e.g. Index , Show etc.)?
11 Answers
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Count with IF condition in MySQL query
...automatically convert NULL to '' when fetching the value. For example with PHP's mysqli interface it would be safe to run your query without COALESCE().
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Error installing libv8: ERROR: Failed to build gem native extension
...rrupted. I remove the whole cache folder and re-run bundle install --full-index --deployment --without development test postgres aws. Works.
– Nick Dong
Mar 2 '16 at 11:11
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What algorithm gives suggestions in a spell checker?
...ical hash function.
Insert all of your dictionary words into an auxiliary index (hash table) using this special hash function. The buckets in this table will have longish collision lists because the hash function is "bad", but those collision lists are essentially pre-computed suggestions.
Now, w...
What online brokers offer APIs? [closed]
So I'm getting really sick of E*TRADE and, being a developer, would love to find an online broker that offers an API. It would be great to be able to write my own trading tools, and maybe even modify existing ones.
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How to form tuple column from two columns in Pandas
...)) but keep getting an error: Length of values does not match length of index any advice?
– seeiespi
Apr 16 '18 at 22:53
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