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Does Foreign Key improve query performance?
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@HLGEM Getting a 404 error once in a while is still quite bearable. Having exceptional throughput in return using cheaper resources and less complex systems, now that sells very easily too. You might be interested in the C.A.P. theorem.
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Android: Scale a Drawable or background image?
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It shows error: error: <item> must have a 'name' attribute.
– Dmitry
Aug 15 '18 at 2:58
add a comment
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C Macro definition to determine big endian or little endian machine?
...H
#include <limits.h>
#include <stdint.h>
#if CHAR_BIT != 8
#error "unsupported char size"
#endif
enum
{
O32_LITTLE_ENDIAN = 0x03020100ul,
O32_BIG_ENDIAN = 0x00010203ul,
O32_PDP_ENDIAN = 0x01000302ul, /* DEC PDP-11 (aka ENDIAN_LITTLE_WORD) */
O32_HONEYWELL_ENDIAN ...
Receiving login prompt using integrated windows authentication
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Just for other people's benefit. If the error is a 401.1 Unauthorized and your error code matches 0xc000006d, then you're actually running into to a security "feature" that blocks requests to FQDN or custom host headers that don't match your local machine name:
Fo...
When restoring a backup, how do I disconnect all active connections?
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MOVE 'YourLDFLogicalName' TO 'D:\Data\YourLDFFile.ldf'
/*If there is no error in statement before database will be in multiuser
mode. If error occurs please execute following command it will convert
database in multi user.*/
ALTER DATABASE YourDB SET MULTI_USER
GO
Reference : Pinal Dave (http:...
Comparing two dictionaries and checking how many (key, value) pairs are equal
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Same error if there is list element for the dict key. I think cmp is better way to do it unless I am missing anything.
– Mutant
Sep 22 '15 at 20:22
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How to remove a key from a Python dictionary?
...ter is not specified (ie. my_dict.pop('key')) and key does not exist, a KeyError is raised.
To delete a key that is guaranteed to exist, you can also use
del my_dict['key']
This will raise a KeyError if the key is not in the dictionary.
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Selecting data from two different servers in SQL Server
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Confirmed this fails in my env, error says I needed to use addlinkedserver
– gorlaz
Mar 14 '17 at 3:32
1
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Why can't Python parse this JSON data?
... any level in a dictionary by specifying the 'key paths'. If you get a KeyError exception it means the key doesn't exist in the path. Look out for typos or check the structure of your dictionary.
– Nuhman
May 25 '18 at 4:55
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Is gcc's __attribute__((packed)) / #pragma pack unsafe?
..., such as SPARC, attempting to access a misaligned int object causes a bus error, crashing the program.
There have also been systems where a misaligned access quietly ignores the low-order bits of the address, causing it to access the wrong chunk of memory.
Consider the following program:
#includ...