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How to fix HTTP 404 on Github Pages?
...Hub repository on the gh-pages branch.
Everything looks good, I have my index.html , my CSS, JS and pictures folders.
30...
How to get the current loop index when using Iterator?
...or to iterate through a collection
and I want to get the current element's index.
12 Answers
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How to Select Every Row Where Column Value is NOT Distinct
... HAVING here instead of a second SELECT...WHERE causes this to be a single query, instead of the second option which executes that second SELECT...WHERE call many times. See more here: stackoverflow.com/q/9253244/550975
– Serj Sagan
Dec 6 '19 at 18:38
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SQL SELECT speed int vs varchar
...at ints take up much less space than varchars.
This holds true both for unindexed and indexed access. The fastest way to go is an indexed int column.
As I see you've tagged the question postgreql, you might be interested in the space usage of different date types:
int fields occupy between 2 a...
How can I find the length of a number?
..."Starting weissteinLength length.");
let startTime = Date.now();
for (let index = 0; index < iterations; index++) {
weissteinLength(Math.random() * maxSize);
}
console.log("Ended weissteinLength length. Took : " + (Date.now() - startTime ) + "ms");
// ------- String length slowest.
conso...
Stashing only un-staged changes in Git
...
git stash save has an option --keep-index that does exactly what you need.
So, run git stash save --keep-index.
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“unpacking” a tuple to call a matching function pointer
...tion, typename Tuple, size_t ... I>
auto call(Function f, Tuple t, std::index_sequence<I ...>)
{
return f(std::get<I>(t) ...);
}
template<typename Function, typename Tuple>
auto call(Function f, Tuple t)
{
static constexpr auto size = std::tuple_size<Tuple>::valu...
How to fetch the row count for all tables in a SQL SERVER database [duplicate]
...I.rows AS [ROWCOUNT] FROM sys.tables AS T INNER JOIN sys.sysindexes AS I ON T.object_id = I.id AND I.indid < 2 ORDER BY I.rows DESC
– Muhammad Sohail
May 25 '18 at 5:07
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How do I erase an element from std::vector by index?
...
@Pierre because the numerical index of a particular element is not the primary model of access, iterator is. All the functions that look at elements of a container use that container's iterators. E.g. std::find_if
– Caleth
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What is the difference between a 'closure' and a 'lambda'?
...unction defined with no name. In some languages, such as Scheme, they are equivalent to named functions. In fact, the function definition is re-written as binding a lambda to a variable internally. In other languages, like Python, there are some (rather needless) distinctions between them, but they ...