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Error: “dictionary update sequence element #0 has length 1; 2 is required” on Django 1.4
...as due to wrong parameters.
In views.py, I used:
return render(request, 'demo.html',{'items', items})
But I found the issue: {'items', items}. Changing to {'items': items} resolved the issue.
How to delete duplicate rows in SQL Server?
...col1 ORDER BY col1)
FROM dbo.Table1
)
DELETE FROM CTE WHERE RN > 1
DEMO (result is different; I assume that it's due to a typo on your part)
COL1 COL2 COL3 COL4 COL5 COL6 COL7
john 1 1 1 1 1 1
sally 2 2 2 2 2 ...
Convert a character digit to the corresponding integer in C
...strtol() works like this:
long strtol(const char *str, char **endptr, int base);
It converts *str to a long, treating it as if it were a base base number. If **endptr isn't null, it holds the first non-digit character strtol() found (but who cares about that).
...
Python List vs. Array - when to use?
... for data that could be represented with simple C types (e.g. float or uint64_t).
The array.array type, on the other hand, is just a thin wrapper on C arrays. It can hold only homogeneous data (that is to say, all of the same type) and so it uses only sizeof(one object) * length bytes of memory. M...
Remove non-utf8 characters from string
... // Encode as 11000011 10xxxxxx.
return "\xC3".chr(ord($captures[3])-64);
}
}
preg_replace_callback($regex, "utf8replacer", $text);
EDIT:
!empty(x) will match non-empty values ("0" is considered empty).
x != "" will match non-empty values, including "0".
x !== "" will match anything exce...
How to get the instance id from within an ec2 instance?
...d" : "i-12345678",
"billingProducts" : null,
"architecture" : "x86_64",
"imageId" : "ami-12345678",
"pendingTime" : "2014-01-23T45:01:23Z",
"instanceType" : "m1.small"
}
share
|
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Do Swift-based applications work on OS X 10.9/iOS 7 and lower?
Will Swift-based applications work on OS X 10.9 (Mavericks)/iOS 7 and lower?
19 Answers
...
Ubuntu says “bash: ./program Permission denied” [closed]
...
Could it be because computer 2 is 32bit and computer 1 is 64bit? I guess maybe I should just compile it on computer 2. Thank you for your help everyone.
– Kian
Sep 23 '13 at 13:55
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Are Exceptions in C++ really slow
...n always see through a small program. Profiling on a realistic, large code base with and without exceptions may be a good idea.
– Kerrek SB
Jul 18 '15 at 1:55
4
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How do you use vim's quickfix feature?
...
64
The easiest way to navigate the quickfix list (or the location list, for that matter) is the un...