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Get the index of the nth occurrence of a string?
...s - you won't actually be checking any case twice, if you think about it. (IndexOf will return as soon as it finds the match, and you'll keep going from where it left off.)
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How do I grant myself admin access to a local SQL Server instance?
I installed SQL Server 2008 R2 to my local machine. But, I can't create a new database because of rights (or lack of).
6 An...
Nginx serves .php files as downloads, instead of executing them
...rking but... If I go to the main http://5.101.99.123 it's downloading my index.php :/
26 Answers
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Why does PostgreSQL perform sequential scan on indexed column?
Very simple example - one table, one index, one query:
4 Answers
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How to replace an item in an array with Javascript?
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var index = items.indexOf(3452);
if (index !== -1) {
items[index] = 1010;
}
Also it is recommend you not use the constructor method to initialize your arrays. Instead, use the literal syntax:
var items = [523, 3452, 334, ...
#1071 - Specified key was too long; max key length is 1000 bytes
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As @Devart says, the total length of your index is too long.
The short answer is that you shouldn't be indexing such long VARCHAR columns anyway, because the index will be very bulky and inefficient.
The best practice is to use prefix indexes so you're only indexin...
How to check if an element is in an array
...w to check for this? I know that there is a method find that returns the index number, but is there a method that returns a boolean like ruby's #include? ?
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How do I show the changes which have been staged?
...just be:
git diff --cached
--cached means show the changes in the cache/index (i.e. staged changes) against the current HEAD. --staged is a synonym for --cached.
--staged and --cached does not point to HEAD, just difference with respect to HEAD. If you cherry pick what to commit using git add --...
How do I expand a tuple into variadic template function's arguments?
...o a variadic template function. Here is a small helper class which creates index array. It is used a lot in template metaprogramming:
// ------------- UTILITY---------------
template<int...> struct index_tuple{};
template<int I, typename IndexTuple, typename... Types>
struct make_ind...
What's the difference between SortedList and SortedDictionary?
...+----------+--------+----------+----------+---------+
| Collection | Indexed | Keyed | Value | Addition | Removal | Memory |
| | lookup | lookup | lookup | | | |
+------------------+---------+----------+--------+----------+----------+--------...