I have this situation: the regular expression is like this:
^ b? A b? $
So b can match at the beginning of the string 0 or 1, and A must match one or more times. Again b can match 0 or 1 tim
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Spring – BindingResult and a normal target object of the BEAN name cannot be used as a request attr
See answer in English> What causes “java.lang.IllegalStateException: Neither BindingResult nor plain target object for bean name’command’ available as request attribute”? 6 Hi expert,
I have this c
Hadoop – Is Cassandra for OLAP or OLTP or both?
Cassandra does not comply with ACID like RDBMS, but CAP. Therefore, Cassandra selects AP from CAP and leaves it to the user for adjustment consistency.
I definitely can’t use it. Cassandra conduct
Xcode – PackageMaker nothing
I have a problem, like here http://compgroups.net/comp.sys.mac.apps/PackageMaker-not-installing-my-app (no solution provided)
Simply put, using PackageMaker I create an installer, it should o
iPhone – mobile app or web application or both?
I’m in the planning and design phase of an idea.
Think of foursquare or quora as a product. I know they are completely different, but the dynamics are Similar. Crowdsourced social application