Tutorial by Topics: le

Booleans, truth, and falsity are straightforward in Lua. To review: There is a boolean type with exactly two values: true and false. In a conditional context (if, elseif, while, until), a boolean is not required. Any expression can be used. In a conditional context, false and nil count as fal...

objectskeysAn array containing the values for the new dictionary.CellAn array containing the keys for the new dictionary. Each key is copied and the copy is added to the dictionary.

The CollectionFS package has been shelved and discontinued by it's author; however, since there's no alternative package in Atmosphere or the Meteor ecosystem for using Mongo's GridFS functionality, and the code still works perfectly fine; we recommend not removing the example from StackOverflow D...

public class MyClass implements Comparable<MyClass> public class MyComparator implements Comparator<SomeOtherClass> public int compareTo(MyClass other) public int compare(SomeOtherClass o1, SomeOtherClass o2) When implementing a compareTo(..) method which depends upon a doub...

The most common pitfall with scope arises in parallelization. All variables and functions must be passed into a new environment that is run on each thread.

It is possible to put a Python package in a ZIP file, and use it that way if you add these lines to the beginning of your script: import sys sys.path.append("package.zip")

Comments are used to show information in a batch script. REM &REM :: &:: Goto :Label Comments. You can also use |>< ,etc. :Label

ParameterDetailsPORTPort that the Meteor app will be available on.MONGO_URLURL to connect to the Mongo instance.ROOT_URL...OPLOG_URL...MONGO_OPLOG_URL...METEOR_ENV...NODE_ENV...NODE_OPTIONS...DISABLE_WEBSOCKETS...MAIL_URL...DDP_DEFAULT_CONNECTION_URL...HTTP_PROXY...HTTPS_PROXY...METEOR_OFFLINE_CATA...

Dockerfiles are files used to programatically build Docker images. They allow you to quickly and reproducibly create a Docker image, and so are useful for collaborating. Dockerfiles contain instructions for building a Docker image. Each instruction is written on one row, and is given in the form &l...

By default Compose sets up a single network for your app. Each container for a service joins the default network and is both reachable by other containers on that network, and discoverable by them at a hostname identical to the container name. Links allow you to define extra aliases by which...

COALESCE([Column1],[Column2]....[ColumnN]