rules

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Is this rule about volatile usage strict?

I\'ve seen this sentence: the general rule is, if you have variables of primitive type that must be shared among multiple threads,[详细]

2023-01-25 01:27 分类：问答
Am I missing anything here in my statement about c++?

You can\'t have code outside of functions except for declarations, definitions and preprocessor directives.[详细]

2023-01-23 00:33 分类：问答
Css - Expanded shorthand properties - What is border-left-color-ltr-source:physical

Introduction When clicking on the css tab on Firebug, there is an option available called \"Expand Shorthand Properties\"![详细]

2023-01-20 20:16 分类：问答
Postgres Rule to invalidate user passwords every 60 days

I am having some trouble invalidating user passwords every 60 days on my postgres database: CREATE RULE user_expiration AS ON UPDATE TO users[详细]

2023-01-17 18:28 分类：问答
makefile pattern rules without recipes

I\'m observing an interesting behavior of make and I wonder if there is a reasonable explanation to it besides a bug in gmake.[详细]

2023-01-16 05:37 分类：问答
Multiple CSS rules or jquery

Here is some \"normal\" code for sprite menu #menu li a { background:url(\'../layout/menu.jpg\') no-repeat;[详细]

2023-01-14 14:34 分类：问答
Reusing CHECK CONSTRAINTS

In SQL Server assuming one has columns that need to have the same data type is it possible to define a check constra开发者_JS百科int at the table (or database level) and apply that to a column when yo[详细]

2023-01-14 12:04 分类：问答
How to create a rule based feature (like in Outlook) with C#

I want to develop a feature for an application, that make it possible to create dynamic rules like you can do it in Outlook. I want that every user can create rules to automatize precesses. Those rule[详细]

2023-01-12 17:28 分类：问答
How can I use an SQL statement stored in a table as part of another statement?

In our Oracle database we have a table called RULES, with a field called SQLQUERY. This field is a varchar with an SQL statement stored. The PK is DM_PROJECT.[详细]

2023-01-11 01:08 分类：问答
Learning JBoss drools: what should be my model

I\'m learning JBoss Drools and I\'m playing with the genetics data from the hapmap project: ( http://hapmap.ncbi.nlm.nih.gov/genotypes/latest/forward/non-redundant/ ) . Each file in this directory is[详细]

2023-01-08 06:02 分类：问答