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How exactly does the “Specific Version” property of an assembly reference work in Visual Studio?
...project is built, the project's assembly references need to be resolved in order to find the physical assemblies that the build system should use. If the "Specific Version" check is performed (see section "When is "Specific Version" checked?"), it affects the outcome of the assembly resolution proce...
How to use permission_required decorators on django class-based views
... you put the Mixin first in the inheritance list (so the Method Resolution Order picks the Right Thing).
The reason you're getting a TypeError is explained in the docs:
Note:
method_decorator passes *args and **kwargs as parameters to the decorated method on the class. If your method does not...
Configure apache to listen on port other than 80
...
In /etc/apache2/ports.conf, change the port as
Listen 8079
Then go to /etc/apache2/sites-enabled/000-default.conf
And change the first line as
<VirtualHost *: 8079>
Now restart
sudo service apache2 restart
Apach...
phpmyadmin logs out after 1440 secs
...ime by adding the following to your config.inc.php file (typically in the /etc/phpmyadmin directory): ini_set('session.gc_maxlifetime', '36000'); This will also localize it to phpmyadmin and not affect the Garbage Collection period of other PHP scripts. And, based on the documentation, the config.i...
How do I delete rows in a data frame?
...ld generally avoid deleting rows by numeric position. This is because the order of the rows in your data may change in the future. A general principle of a data.frame or database tables is that the order of the rows should not matter. If the order does matter, this should be encoded in an actual va...
Which are more performant, CTE or temporary tables?
...Example 2
WITH CTE2
AS (SELECT *,
ROW_NUMBER() OVER (ORDER BY A) AS RN
FROM T
WHERE B % 100000 = 0)
SELECT *
FROM CTE2 T1
CROSS APPLY (SELECT TOP (1) *
FROM CTE2 T2
WHERE T2.A > T1.A
...
不同品牌的防火墙组成高可靠性集群 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...可以对应一个别名，编号和别名的对应关系在linux下放在/etc/iproute2/rt_tables这个文件里，一般0编号
的table对应的别名为upspec，255编号对应的别名为local，254和253对应的别名分别为main和default，我们通常用route命令配置和查看的路由...
Can you provide some examples of why it is hard to parse XML and HTML with a regex? [closed]
...HTML and XML are recursive structures which require counting mechanisms in order to properly parse. A true regex is not capable of counting. You must have a context free grammar in order to count.
The previous paragraph comes with a slight caveat. Certain regex implementations now support the ide...
Null coalescing in powershell
...suggestion from an anonymous user. Thanks, whoever you are!
Based on the order of operations, this works in following order:
The , operator creates an array of values to be tested.
The -ne operator filters out any items from the array that match the specified value--in this case, null. The resu...
Best way to do nested case statement logic in SQL Server
...1 ELSE NULL END,
CASE WHEN condition2 THEN calculation2 ELSE NULL END,
etc...
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