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How to join two sets in one line without using “|”
...tely according to a simple test: a = set((1, 2, 3,)); b = set((1, 3, 4,)); id_a = id(a); a |= b; assert id_a == id(a), @jorgenkg is right - variable a is modified inline. Am I missing something?
– johndodo
Jan 7 '18 at 10:06
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Replace values in list using Python [duplicate]
...ts to have a replace method? (similar to str.replace). Something that avoids the need for this: def replace(items, a, b): return [b if x == a else x for x in items]
– Bill
Sep 13 '16 at 17:07
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Select SQL Server database size
...
Try this one -
Query:
SELECT
database_name = DB_NAME(database_id)
, log_size_mb = CAST(SUM(CASE WHEN type_desc = 'LOG' THEN size END) * 8. / 1024 AS DECIMAL(8,2))
, row_size_mb = CAST(SUM(CASE WHEN type_desc = 'ROWS' THEN size END) * 8. / 1024 AS DECIMAL(8,2))
, total_size_m...
UIBarButtonItem with custom image and no border
...(MyCategory)
+ (UIBarButtonItem*)barItemWithImage:(UIImage*)image target:(id)target action:(SEL)action;
@end
@implementation UIBarButtonItem(MyCategory)
+ (UIBarButtonItem*)barItemWithImage:(UIImage*)image target:(id)target action:(SEL)action{
// Move your item creation code here
}
@end
So an...
Run a single Maven plugin execution?
...l:
extend direct plugin invocation syntax to allow optional @execution-id parameter, e.g., org.apache.maven.plugins:maven-remote-resources-plugin:1.0:process@executionId.
So, as long as you give your execution an id:
mvn sql:execute@specific-execution-id
uses the execution configured in you...
Principles for Modeling CouchDB Documents
...ween various, smaller documents can be confusing at first, but CouchDB provides several options for combining disparate pieces into single responses.
The first big one is view collation. When you emit key/value pairs into the results of a map/reduce query, the keys are sorted based on UTF-8 collati...
MySQL Error 1093 - Can't specify target table for update in FROM clause
...n case certain operations are carried out, merging cannot happen. E.g. provide the derived dummy table with a LIMIT (to inifity) and the error will never occur. That's pretty hackish though and there is still the risk that future versions of MySQL will support merging queries with LIMIT after all.
...
How to select/get drop down option in Selenium 2
...lement salesExecutiveDropDown = new SelectElement(webDriver.FindElement(By.Id("salesExecutiveId")));
– Jeremy McGee
Jul 22 '13 at 14:21
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Understanding Python super() with __init__() methods [duplicate]
...
super() lets you avoid referring to the base class explicitly, which can be nice. But the main advantage comes with multiple inheritance, where all sorts of fun stuff can happen. See the standard docs on super if you haven't already.
Note that ...
SQlite Getting nearest locations (with latitude and longitude)
...ut will only work if you are using rectilinear coordinates (eg UTM or OS grid references). If using degrees for lat/lng (eg WGS84) then the above only works at the equator. At other latitudes, you need to decrease the impact of longitude on the sort order. (Imagine you're close to the north pole....