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Django select only rows with duplicate field values
...t work).
– guival
Feb 14 '17 at 17:50
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What is the .order_by() for?
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Rails migrations: Undo default setting for a column
...shua Pinter
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answered Nov 17 '09 at 2:36
Jeremy MackJeremy Mack
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Updating MySQL primary key
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answered Feb 26 '10 at 14:20
MartinMartin
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Split a string on whitespace in Go?
...en(words)) // [one two three four] 4
DEMO: http://play.golang.org/p/et97S90cIH
From the docs:
func Fields(s string) []string
Fields splits the string s around each instance of one or more consecutive white space characters, returning an array of substrings of s or an empty list if s contains only ...
How can I filter a Django query with a list of values?
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FlipperPA
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answered Feb 16 '12 at 3:05
charlaxcharlax
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How to change the default font size in ggplot2
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Use theme_set()
theme_set(theme_gray(base_size = 18))
qplot(1:10, 1:10)
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Implement paging (skip / take) functionality with this query
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In SQL Server 2012 it is very very easy
SELECT col1, col2, ...
FROM ...
WHERE ...
ORDER BY -- this is a MUST there must be ORDER BY statement
-- the paging comes here
OFFSET 10 ROWS -- skip 10 rows
FETCH NEXT 10 ROWS ONLY; -...
Is there a way to iterate over a dictionary?
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Yes, NSDictionary supports fast enumeration. With Objective-C 2.0, you can do this:
// To print out all key-value pairs in the NSDictionary myDict
for(id key in myDict)
NSLog(@"key=%@ value=%@", key, [myDict objectForKey:key]);
The alternate method (which you have to use if you're ...
RegEx: Smallest possible match or nongreedy match
... without matching unless absolutely necessary, use something like (?:blah){0,1}?. For a repeating match (either using {n,} or {n,m} syntax) append a question mark to try to match as few as possible (e.g. {3,}? or {5,7}?).
The documentation on regular expression quantifiers may also be helpful.
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what is the unsigned datatype?
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answered Jul 23 '09 at 13:46
Martin v. LöwisMartin v. Löwis
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