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Search for executable files using find command
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@sourcejedi Thanks. I was actually only talking about non-GNU versions of find (BSD, in particular) but older versions of GNU find actually did support that syntax too. In newer versions you'll have to use / instead of +. See the updated answer for more d...
Multiple submit buttons on HTML form – designate one button as default [duplicate]
... The primary problem with this solution is that it breaks tab index. Repositioning of buttons with CSS does not change their tabindex order. So pressing tab will not consistently go from top / bottom, left to right. See stackoverflow.com/a/31911751/442472 for a solution that addresses t...
Counting DISTINCT over multiple columns
...umn is deterministic and you are using "sane" database settings, it can be indexed and / or statistics can be created on it.
I believe a distinct count of the computed column would be equivalent to your query.
share
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Scala best way of turning a Collection into a Map-by-key?
...unction seems to assume that I already have a tuple (m,s), which I don't really get
– oxbow_lakes
Mar 24 '09 at 22:33
2
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Replace a value in a data frame based on a conditional (`if`) statement
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Short answer is:
junk$nm[junk$nm %in% "B"] <- "b"
Take a look at Index vectors in R Introduction (if you don't read it yet).
EDIT. As noticed in comments this solution works for character vectors so fail on your data.
For factor best way is to change level:
levels(junk$nm)[levels(junk...
C++11 reverse range-based for-loop
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Actually Boost does have such adaptor: boost::adaptors::reverse.
#include <list>
#include <iostream>
#include <boost/range/adaptor/reversed.hpp>
int main()
{
std::list<int> x { 2, 3, 5, 7, 11, 13, 1...
Changing password with Oracle SQL Developer
... answered Feb 4 '13 at 22:21
NiallNiall
1,06911 gold badge77 silver badges33 bronze badges
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What is the difference between a stored procedure and a view?
...erlying data of the view changes.
A materialized view allows you to create indexes on the columns of the view (especially on the computed columns which don't exist anywhere in the database).
I don't understand what you're talking about.
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How are GCC and g++ bootstrapped?
...ilt
(optional) repeat step 2 for verification purposes.
This process is called bootstrapping. It tests the compiler's capability of compiling itself and makes sure that the resulting compiler is built with all the optimizations that it itself implements.
EDIT: Drew Dormann, in the comments, point...
MongoDB SELECT COUNT GROUP BY
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I need some extra operation based on the result of aggregate function. Finally I've found some solution for aggregate function and the operation based on the result in MongoDB. I've a collection Request with field request, source, status, requestDate.
Single Field Group By & Count:
db.Request...