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ParamenterDescriptionactionIt must be an object with at least the type property. Any other property can be passed and will be accessible within the reducer function. If you're not using bundlers like Webpack and Browserify, change the first line to: const { createStore } = Redux; Or just call...

Crystal Reports is designed for presenting database information in the form of reports - visualized lists, summaries, or charts depicting data from tables in a useful RPT format. Reports are drafted in the graphically-orientated Design view, representing form objects like text or shapes as indivi...

Using django-redis-cache or django-redis are both effective solutions for storing all cached items. While it is certainly possible for Redis to be setup directly as a SESSION_ENGINE, one effective strategy is to setup the caching (as above) and declare your default cache as a SESSION_ENGINE. While...

Java comes with a powerful and flexible mechanism for localizing your applications, but it's also easy to misuse and wind up with a program that disregards or mangles the user's locale, and therefore how they expect your program to behave. Your users will expect to see data localized to the form...

With 'Reproducibility' we mean that someone else (perhaps you in the future) can repeat the steps you performed and get the same result. See the Reproducible Research Task View. To create reproducible results, all sources of variation need to be fixed. For instance, if a (pseudo)random number ...

MY_CONSTANT_NAME = "my value" Constants are useful in Ruby when you have values that you do not want to be mistakenly changed in a program, such as API keys.

$global_variable @@class_variable @instance_variable local_variable Class variables are shared in the class hierarchy. This can result in surprising behavior. class A @@variable = :x def self.variable @@variable end end class B < A @@variable = :y end A.var...

As RestyGWT is a GWT generator, it will automatically create the implementation of your client interface. Under the hood it will use the RequestBuilder class to implement your calls.

A text object in Vim is another way to specify a chunk of text to operate on. They can be used with operators or in visual mode, instead of motions.

Most programs are executed line by line, only running a single process at a time. Threads allow multiple processes to flow independent of each other. Threading with multiple processors permits programs to run multiple processes simultaneously. This topic documents the implementation and usage of thr...

List of string functions (Alphabetically sorted): Ascii Char Charindex Concat Difference Format Left Len Lower Ltrim Nchar Patindex Quotename Replace Replicate Reverse Right Rtrim Soundex Space ...

This FireDAC example, and the others I'm planning to submit, will avoid the use of native calls to asynchronously open the dataset.