...ct and ShoppingCartItem. Product should have the product name, tax status, etc. but not quantity. Quantity is not a property of a product - it'll be different for each customer of the company who buys that particular product. ShoppingCartItem should have a Product and the quantity. That way the cust...

...re lots about users and then things like a lot of their messages, comments etc. I have always used MySQL before but now I am minded to try something new like couchdb or similar which is not SQL. ...

...ull value cannot be assigned to a primitive type, like int, long, boolean, etc. If the database column that corresponds to the field in your object can be null, then your field should be a wrapper class, like Integer, Long, Boolean, etc. The danger is that your code will run fine if there are no nu...

... Ctrl-/ will insert // style commenting, for javascript, etc Ctrl-/ will insert <!-- --> comments for HTML, Ctrl-/ will insert # comments for Ruby, ..etc But does not work perfectly on HTML <script> tags. HTML <script> ..blah.. </script> tags: Ctrl-/ twice...

...ndlers or propagated to other loggers. If you have configured file loggers etc. you probably don't want to have the colors in the log files. To avoid that, it's probably best to simply create a copy of record with copy.copy() before manipulating the levelname attribute, or to reset the levelname to ...

... of the issues imposed by UDP (packet loss, packet doubling, packet order, etc.) already mentioned in other answers. There are rarely any problems, but they do sometimes occur and so must be handled. The benefit to supporting UDP is that we are able to customize it a bit to our own usage and tweak...

...ing system environment variables (i.e. OS-level variables set with export, etc), it only allows reading Java system properties. – amoe Nov 15 '13 at 13:24 2 ...

...licitly define an assembly phase where all data to be used by the view is fetched and marshalled into the DTOs before returning control to the presentation tier. So, for many people, DTOs and VOs are the same thing (but Fowler uses VOs to mean something else as we saw). Most of time, they follow...

...ck note. Be wary of using for..in if you use a library (jQuery, Prototype, etc.), as most of them add methods to created Objects (including dictionaries). This will mean that when you loop over them, method names will appear as keys. If you are using a library, look at the documentation and look for...

...he image you want to display as a background in a container (td, div, span etc) and then adjust background-position to get the sprite you want. share | improve this answer | ...