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$ shopt -u option # Deactivate Bash's built-in 'option' $ shopt -s option # Activate Bash's built-in 'option' Character Classes Valid character classes for the [] glob are defined by the POSIX standard: alnum alpha ascii blank cntrl digit graph lower print punct space upper word xdig...

if expression ... end if expression ... else ... end if expression ... elseif expression ... end if expression ... elseif expression ... else ... end ParameterDescriptionexpressionan expression that has logical meaning

The ^M character stands for a carriage return in Vim (<c-m> or just <CR>). Vim displays this character when at least on line in the file uses LF line endings. In other words, when Vim consider a file to have fileformat=unix but some lines do have carriage returns (CR), the carriage r...

Spring has made it so that configuring an ApplicationContext is extremely flexible. There are numerous ways to apply each type of configuration, and they can all be mixed and matched together nicely. Java configuration is a form of explicit configuration. A @Configuration annotated class is use...

UNION DISTINCT -- dedups after combining the SELECTs UNION ALL -- non dedup (faster) UNION -- the default is DISTINCT SELECT ... UNION SELECT ... -- is OK, but ambiguous on ORDER BY ( SELECT ... ) UNION ( SELECT ... ) ORDER BY ... -- resolves the ambiguity UNION does not use multiple CP...

Examples to get you up and running quickly (and correctly) with ASP.NET WebAPI

Aggregations operations process data records and return computed results. Aggregation operations group values from multiple documents together, and can perform a variety of operations on the grouped data to return a single result. MongoDB provides three ways to perform aggregation: the aggregation p...

ParameterDetailsfuncpython function, which takes numpy arrays as its inputs and returns numpy arrays as its outputsinplist of Tensors (inputs)Toutlist of tensorflow data types for the outputs of func

Session["Session_Key"] = Obj_Value; HTTP is stateless. ASP.NET session state is a framework that facilitates maintaining state between HTTP page requests. Session differs from the class level variables in its ability to remain available across post-backs and different pages. For ...