Tutorial by Topics: ion

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...

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 ...

To run the example, the command syntax is: bin/hadoop jar hadoop-*-examples.jar wordcount [-m <#maps>] [-r <#reducers>] <in-dir> <out-dir> To copy data into HDFS(from local): bin/hadoop dfs -mkdir <hdfs-dir> //not required in hadoop 0.17.2 and later bin/h...

Parallel collections facilitate parallel programming by hiding low-level parallelization details. This makes taking advantage of multi-core architectures easy. Examples of parallel collections include ParArray, ParVector, mutable.ParHashMap, immutable.ParHashMap, and ParRange. A full list can be f...

Content of controls can be localized using Resource files, just as this is possible in classes. For XAML there is a specific syntax, that is different between a C# and a VB application. The steps are: For any WPF project: make the resource file public, the default is internal. For C# WPF proj...

There is no inherent answer in C# to this - so called - need. Nonetheless there are workarounds to satisfy this need. The reason I qualify the need as "so called" is that we only need methods with 2 or more than 2 values to return when we violate good programming principals. Especially ...