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Splitting string into multiple rows in Oracle
...th (regexp_replace(t.error, '[^,]+')) + 1) as sys.OdciNumberList)) levels
order by name
EDIT:
Here is a simple (as in, "not in depth") explanation of the query.
length (regexp_replace(t.error, '[^,]+')) + 1 uses regexp_replace to erase anything that is not the delimiter (comma in this case) an...
Developing cross platform mobile application [closed]
...ailable:
Android, iOS, Moblin, Windows mobile 7, RIM, symbian, bada, maemo etc.
5 Answers
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How to find out if an item is present in a std::vector?
...
If your vector is not ordered, use the approach MSN suggested:
if(std::find(vector.begin(), vector.end(), item)!=vector.end()){
// Found the item
}
If your vector is ordered, use binary_search method Brian Neal suggested:
if(binary_searc...
Redirect Windows cmd stdout and stderr to a single file
...y "cmd" parses commands that gives two different meanings depending on the order in which you specify the redirection. But are the semantic rules documented anywhere because I reckon this is something worthwhile to learn as it could waste hours.
– igbgotiz
Jul ...
Can someone explain this 'double negative' trick? [duplicate]
...single operand can be converted to true; otherwise, returns true.
So if getContext gives you a "falsey" value, the !! will make it return the boolean value false. Otherwise it will return true.
The "falsey" values are:
false
NaN
undefined
null
"" (empty string)
0
...
Dismissing a Presented View Controller
...esented, pushed onto a navigation controller, part of a tab bar controller etc. Using the delegate allows the "presenting" view controller to "dismiss" the view controller using the inverse of whatever method was used to present it.
– David Smith
Aug 2 '19 at 1...
How to edit multi-gigabyte text files? Vim doesn't work =( [closed]
...ndle large files pretty well. I just edited a 3.4GB file, deleting lines, etc. Three things to keep in mind:
Press Ctrl-C: Vim tries to read in the whole file initially, to do things like syntax highlighting and number of lines in file, etc. Ctrl-C will cancel this enumeration (and the syntax ...
How to store a list in a column of a database table
...re designed specifically to store one value per row/column combination. In order to store more than one value, you must serialize your list into a single value for storage, then deserialize it upon retrieval. There is no other way to do what you're talking about (because what you're talking about is...
How to get a specific output iterating a hash in Ruby?
...ash.each do |key, array|
puts "#{key}-----"
puts array
end
Regarding order I should add, that in 1.8 the items will be iterated in random order (well, actually in an order defined by Fixnum's hashing function), while in 1.9 it will be iterated in the order of the literal.
...
Differences between Octave and MATLAB? [closed]
...see sentences like "Octave supports both, while MATLAB requires the first" etc. This shows that Octave's developers try to make Octave syntax "superior" to MATLAB's.
This attitude makes Octave lose its purpose completely. The idea behind Octave is (or has become, I should say, see comments below) ...