Tutorial by Topics: d

IPython is a Read-Evaluate-Print Loop shell for interactive Python development. It supports interactive visualizations using GUI toolkits, and provides a kernel for Jupyter. It can also be embedded into other projects. There are other similar REPL shells for Python, for example, ptpython and bpyt...

Note about XML syntax: As the record is made inside of XML file, you can not leave any tag unclosed as you could in a plain HTML, like: <link rel='stylesheet' href="..." >, Close the link tag instead, like: <link rel='stylesheet' href="..." /> Possible ...

Text is a more efficient alternative to Haskell's standard String type. String is defined as a linked list of characters in the standard Prelude, per the Haskell Report: type String = [Char] Text is represented as a packed array of Unicode characters. This is similar to how most other high-lev...

Modern cryptography is the cornerstone of computer and communications security. Its foundation is based on concepts of mathematics such as number theory, computational-complexity theory, and probability theory. Cryptography deals with the securing of digital data. It refers to the design of mecha...

'Single quoted string' "Double quoted string" '''Multiline string''' """Triple double quoted string""" /Slashy string/ $/Dollar slash string/$ Groovy has two string types the java java.lang.String and groovy.lang.GString, as well as multiple form...

It's easy to see types like a table in an SQL database, where the index is the SQL database. However, that is not a good way to approach types. All About Types In fact, types are literally just a metadata field added to each document by Elasticsearch: _type. The examples above created two type...

Middleware are classes, that can be assigned to one or more route, and are used to make actions in the early or final phases of the request cycle. We can think of them as a series of layers an HTTP request has to pass through while it's executed A "Before" middleware will executes be...

These examples introduce the most used commands of Perl to manipulate Excel via Win32::OLE module. $Sheet->Range(Cell1,[Cell2]) #Select a cell or a range of cells $Sheet->Cells(rowIndex, columnIndex) #Select a cell by index of row and column ParametersDetailsCell1 (required)The na...

Cross-origin resource sharing is designed to allow dynamic requests between domains, often using techniques such as AJAX. While the scripting does most of the work, the HTTP server must support the request using the correct headers.

Each implementation of Equals must fulfil the following requirements: Reflexive: An object must equal itself.x.Equals(x) returns true. Symmetric: There is no difference if I compare x to y or y to x - the result is the same. x.Equals(y) returns the same value as y.Equals(x). Transit...

public abstract class SwingWorker<T,V> T - the result type returned by this SwingWorker's doInBackground and get methods. V - the type used for carrying out intermediate results by this SwingWorker's publish and process methods. T doInBackground() - The abstract fu...

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

Oozie is an Apache open source project, originally developed at Yahoo. Oozie is a general purpose scheduling system for multistage Hadoop jobs. Oozie allow to form a logical grouping of relevant Hadoop jobs into an entity called Workflow. The Oozie workflows are DAG (Directed cyclic graph) of a...

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

This section provides an overview of what vb6 is, and why a developer might want to use it. It should also mention any large subjects within vb6, and link out to the related topics. Since the Documentation for vb6 is new, you may need to create initial versions of those related topics.

The assignment of string-literals in VBA is confined by the limitations of the IDE and the codepage of the current user's language settings. The examples above demonstrate the special-cases of escaped strings, special, non-printable strings and long string-literals. When assigning string-literals...