Tutorial by Topics: rs

Analyzers take the text from a string field and generate tokens that will be used when querying. An Analyzer operates in a sequence: CharFilters (Zero or more) Tokenizer (One) TokenFilters (Zero or more) The analyzer may be applied to mappings so that when fields are indexed, it is done o...

ParameterDetailsusernameThe name of the user. Do not use capital letters, do not use dots, do not end it in dash, it must not include colons, no special characters. Cannot start with a number. You cannot remove a logged in user To modify any user but your own, you need root privileges

register_sidebar( $args ) get_sidebar(string $name = null) ParameterDetails$args(string | array) (Optional) Builds sidebar based on the name and id vvalues$name*(string) (Optional) The name of the specialised sidebar. Default value: null Argument options are: name - Sidebar name (defau...

The example above has two tracking events, Event Tracking and Exception Tracking. Event Tracking will allow you to see JS errors in real-time. Under Real Time -> Events sections. Unfortunately, your error messages will be limited by 500 Bytes, so you will not be able to understand a problem p...

&<variable> - access by reference (=gets the pointer to the data of the variable) *<variable> - deference operator (=gets the data object from a pointer) <type>* - data type that points to <type> (e.g. `int*)

CascadeClassifier cascade = new CascadeClassifier("cascade.xml"); // Creates a cascade classifier from cascade.xml Mat image = Imgcodecs.imread("image.png"); // Converts image.png into a Mat (Matrix) object MatOfRect detections = new MatOfRect(); // Creates an empty MatOfRect...

An Unicode code point, what programmers often think of one character, often corresponds to what the user thinks is one character. Sometimes however a “character” is made up of multiple code points, as the examples above show. This means that operations like slicing a string, or getting a characte...

Warning Prepared statement cannot care a wild parameter for the table names. For exemple this following statement is not correct : $query = "SELECT name, city FROM ? WHERE id = ? AND country = ?"; The correct prepared query would be : $query = "SELECT name, city FROM users WHE...

ParameterDetailstty:trueIn docker-compose.yml, the tty: true flag keeps the container's sh command running waiting for input. The host and bridge network drivers are able to connect containers on a single docker host. To allow containers to communicate beyond one machine, create an overlay netwo...

Webpack loaders can be configured as "preLoaders", "loaders" and "postLoaders". Although they don't have to be, configurations which use linting or other imperative or serial operations can take advantage of these build stages in the pipeline. The key to understandi...

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