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How to put more than 1000 values into an Oracle IN clause [duplicate]
...place procedure tableselect
( p_numbers in number_table
, p_ref_result out sys_refcursor)
is
begin
open p_ref_result for
select *
from employees , (select /*+ cardinality(tab 10) */ tab.nr from table(p_numbers) tab) tbnrs
where id = tbnrs.nr;
end;
/
This is one of the rare cases ...
Add column with number of days between dates in DataFrame pandas
... Nde - how exactly did it not work? Error or wrong values? Did you convert both A and B columns to datetime successfully?
– Ricky McMaster
Sep 24 '18 at 6:56
1
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MySQL and GROUP_CONCAT() maximum length
I'm using GROUP_CONCAT() in a MySQL query to convert multiple rows into a single string.
However, the maximum length of the result of this function is 1024 characters.
...
convert UIImage to NSData
...mage inside a UIImageView , e.g. "myImageView", you can do the following:
Convert your image using UIImageJPEGRepresentation() or UIImagePNGRepresentation() like this:
NSData *data = UIImagePNGRepresentation(myImageView.image);
//or
NSData *data = UIImageJPEGRepresentation(myImageView.image, 0.8);...
How to convert a factor to integer\numeric without loss of information?
When I convert a factor to a numeric or integer, I get the underlying level codes, not the values as numbers.
10 Answers
...
How do I spool to a CSV formatted file using SQLPLUS?
...csv
select table_name, tablespace_name
from all_tables
where owner = 'SYS'
and tablespace_name is not null;
Output will be like:
TABLE_PRIVILEGE_MAP ,SYSTEM
SYSTEM_PRIVILEGE_MAP ,SYSTEM
STMT_AUDIT_OPTION_MAP ...
How do I convert NSMutableArray to NSArray?
How do I convert NSMutableArray to NSArray in objective-c ?
9 Answers
9
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Convert RGB to RGBA over white
I have a hex color, e.g. #F4F8FB (or rgb(244, 248, 251) ) that I want converted into an as-transparent-as-possible rgba color (when displayed over white). Make sense? I'm looking for an algorithm, or at least idea of an algorithm for how to do so.
...
StringBuilder vs String concatenation in toString() in Java
... StringBuilder optimization. I was using a decompiler and, some how, it is converting back to concat. +1
– bruno conde
Oct 7 '09 at 16:30
81
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Converting double to string
I am not sure it is me or what but I am having a problem converting a double to string.
14 Answers
...