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Groovy evaluates conditions in if, while and for statements the same way as Java does for standard Java conditions : in Java you must provide a boolean expression (an expression that evaluates to a boolean) and the result is the result of the evaluation. In Groovy , the result is the same as in...

A useful way to think about Mongo collections is in terms of Who, What, When, Where, Why, and How. Mongo has the following optimizations for different types of data: Where - GeoJSON When - ObjectID timestamps Who - Meteor Account Strings How - JSON for decision trees Which leaves the default...

Oh-my-zsh is one of many configuration frameworks for interactive use of zsh (it is not relevant for writing zsh scripts). It can be useful if you'd like to start with an experienced user's configuration.

Appium is an open source, cross-platform test automation tool for native, hybrid and mobile web apps, tested on simulators (iOS, FirefoxOS), emulators (Android), and real devices (iOS, Android, FirefoxOS). Why Appium? You don't have to recompile your app or modify it in any way, due to use of ...

Xcopy, copies files and directories, including subdirectories. ParameterDetails/hCopies files with hidden and system file attributes. By default, xcopy does not copy hidden or system files./rCopies read-only files./sCopies directories and subdirectories, unless they are empty. If you omit /s, xcopy...

"(Double-quoted) String" 'Literal string' @" Here-string "@ @' Literal here-string '@ Strings are objects representing text.

This section provides an overview of what pyspark is, and why a developer might want to use it. It should also mention any large subjects within pyspark, and link out to the related topics. Since the Documentation for pyspark is new, you may need to create initial versions of those related topic...

RANGE partitioning. This type of partitioning assigns rows to partitions based on column values falling within a given range. LIST partitioning. Similar to partitioning by RANGE, except that the partition is selected based on columns matching one of a set of discrete values. HASH pa...

MaterializeCSS is a CSS and Javascript based front-end responsive framework, derived from Google's Material Design. It is based entirely on Google's Material Design guidelines and serves as a boilerplate in order to use material design in a better and fast way. It has some predefined plugins such ...

Troubleshootings : Could not connect to development server => Do this : adb reverse tcp:8081 tcp:8081, make sure that your phone is connected (adb devices). Verify also that there is a local server launched, if not run react-native start

The commands in a Vimscript file are executed in command mode by default. Therefore all non-command mode directives should be prefixed.