Tutorial by Topics: data

Connect to the database to change/read/update/delete data! mysqli_connect("server", "user", "password", "database name"); ParamaterDescription1Server host e.g. "localhost" or "127.0.0.1"2Server username e.g. "root" or ...

Read the data that is collected. $result represents the result from the query. $result->mysqli_fetch_array(MYSQLI_BOTH) $result->mysqli_fetch_array(MYSQLI_NUM) ParameterDescriptionMYSQLI_BOTHtells the script to use the column names as indexes e.g. $data['username']MYSQLI_NUMtells...

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

This is for the readers who come from relational background and want to learn elasticsearch. This topic shows the use cases for which Relational databases are not a suitable option.

A union-find (or disjoint-set) data structure is a simple data structure a partition of a number of elements into disjoint sets. Every set has a representative which can be used to distinguish it from the other sets. It is used in many algorithms, e.g. to compute minimum spanning trees via Kruskal'...

Data validation allows user to create a drop-down list and restrict values in the cell to these entries. Due to limitation Excel can't bind more than 256 characters programmatically. To bind more than 256 characters one can follow explained approach.

Creating the data validation constraint can be tricky and time taking in NPOI. I have shared some of my workable approach. These approach will give good idea to customize your own constraint types.

The sync adapter component in your app encapsulates the code for the tasks that transfer data between the device and a server. Based on the scheduling and triggers you provide in your app, the sync adapter framework runs the code in the sync adapter component. Recently i worked on SyncAdapter i wan...

Aggregation is one of the most common uses for R. There are several ways to do so in R, which we will illustrate here.

Get data directly into an R session. One of the nice features of R is the ease of data acquisition. There are several ways data dissemination using R packages.

Provider example and query about display data with filter, pagination etc in Angularjs.

When the record count is too high , loading all records at once can make application slow in addition user will not like the idea of scrolling thousand of records to find what he is looking for. Its better to give user a power search and filter the records as he types the character.

The objective of this topic is to create simple examples of several ways data can be shared between components via data binding and shared service. There are always many of ways of accomplishing one task in programming. Please feel free to edit current examples or add some of your own.

A frequent desire is to convert monthly data into quarterly data format. One simple method is to 1) sum the appropriate months into quarterly sums, then 2) identify those months as quarters, and finally 3) filter the quarterly data out of your monthly data. Here's a relatively quick and easy method ...

In Firebase Database everything is a node, that follows the pattern key: value. Firebase Database provides us with a simple way to generate unique keys. Unique keys create new items while uploading data to a previously stored key will update.

DATA DIVISION is one of the four parts that make up a COBOL program. It contains statements describing the data used by the program. It consists of four sections: FILE SECTION, WORKING-STORAGE SECTION, LOCAL-STORAGE SECTION and LINKAGE SECTION.

Removing old data from dynamodb using a date attribute. My use case: removing old data from dynamodb using a date attribute. Important things to know: You can't query a table with using only range key attribute (date for example). You can only query a table using hash or hash+range key. ...

Spring Data Elasticsearch is a Spring Data implementation for Elasticsearch which provides integration with the Elasticsearch search engine.