...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 ...

...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...

...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...

...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...

... In Linux, Open the VIM configuration file $ sudo -H gedit /etc/vim/vimrc Added following lines: set fileencodings=utf-8,ucs-bom,gb18030,gbk,gb2312,cp936 set termencoding=utf-8 set encoding=utf-8 Save and exit, and terminal command: $ source /etc/vim/vimrc At this time VIM wil...

... (1) That's going to return 0num0num0num etc, instead of 00000num (2) Lots of string concatenations with "+" are a bad idea performance-wise. Better to preallocate a StringBuffer or StringBuilder of length 'digits' – Nate Parsons ...

...veniences, like tab completion, pretty printing of results, result history etc. that make it very handy for this sort of exploratory programming. For more programmatic use of introspection, the basic builtins like dir(), vars(), getattr etc will be useful, but it is well worth your time to check ou...

...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 | ...