大约有 30,000 项符合查询结果（耗时：0.0473秒） [XML]
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 ...
Can I access constants in settings.py from templates in Django?
... requirement to read values from setting in templates but I am getting 500 error when I add 'django_settings_export.settings_export' in setting file.Can you suggest what am i doing wrong here
– Piyush Sahu
Jan 18 '18 at 5:47
...
When restoring a backup, how do I disconnect all active connections?
...,
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:...
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.
...
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
...
Associating enums with strings in C#
...get { return new LogCategory("Warning"); } }
public static LogCategory Error { get { return new LogCategory("Error"); } }
}
Pass in type-safe string values as a parameter:
public static void Write(string message, LogCategory logCategory)
{
var log = new LogEntry { Message = message };
...
PHP DOMDocument loadHTML not encoding UTF-8 correctly
...
The workaround is very simple:
If you try the default, you will get the error you described
$str = $dom->saveHTML(); // saves incorrectly
All you have to do is save as follows:
$str = $dom->saveHTML($dom->documentElement); // saves correctly
This line of code will get your UTF-8 ch...
How can I use Server.MapPath() from global.asax?
... the request object, the response object. Very useful when you want to log errors, for example
share
|
improve this answer
|
follow
|
...
How do I remove the old history from a git repository?
...e claims a parent commit ID is required; using all zeroes just gives me an error.
– Marius Gedminas
Aug 10 '13 at 14:30
7
...
How do I obtain a Query Execution Plan in SQL Server?
In Microsoft SQL Server how can I get a query execution plan for a query / stored procedure?
12 Answers
...