Tutorial by Examples: b

In addition to prebuilt grid classes for fast layouts, Bootstrap includes Less variables and mixins for quickly generating your own simple, semantic layouts. Variables Variables determine the number of columns, the gutter width, and the media query point at which to begin floating columns. We use ...

Possessive quantifiers are another class of quantifiers in many regex flavours that allow backtracking to, effectively, be disabled for a given token. This can help improve performance, as well as preventing matches in certain cases. The class of possessive quantifiers can be distinguished from laz...

You should make sure that module DBI has been installed on your pc, then follow the bellow steps: use DBI module in your perl script use DBI; Declare some primary parameters my $driver = "MyDriver"; my $database = "DB_name"; my $dsn = "DBI:$driver:dbname=$datab...

package main import ( "fmt" "k8s.io/client-go/1.5/kubernetes" "k8s.io/client-go/1.5/pkg/api/v1" "k8s.io/client-go/1.5/tools/clientcmd" ) func main() { config, err := clientcmd.BuildConfigFromFlags("", <kube-config-path&g...

A Bootstrap modal dialog is a Bootstrap component which creates a modal dialog window which floats over page-level content. Here is an example of the basic usage of a Bootstrap modal dialog in HTML: <div class="modal fade" tabindex="-1" role="dialog"> <div...

Modal dialog components can be instantiated via jQuery with the function $('#myModal').modal(options), where $('#myModal') is a top-level reference to the specific modal dialog and options is a Javascript object specifying the modal dialog's default attributes. The options object allows for multipl...

Many databases can be used in Weka. Firstly, the DatabaseUtils.props file must be edited to match your database; specifically you must provide your database's name, location, port and correct driver. jdbcDriver=org.gjt.mm.mysql.Driver jdbcURL=jdbc:mysql://localhost:3306/my_database Then the dat...

requests uses specific environment variables automatically for proxy detection. HTTP_PROXY will define the proxy URL to use for HTTP connections HTTPS_PROXY will define the proxy URL to use for HTTPS connections Once these environment variables are set, the Python code does not need to pass a...

The whole ES6 spec is not yet implemented in its entirety so you will only be able to use some of the new features. You can see a list of the current supported ES6 features at http://node.green/ Since NodeJS v6 there has been pretty good support. So if you using NodeJS v6 or above you can enjoy usi...

// $orders is collection $orders->addAttributeToSelect('status'); // get status attribute $orders->addAttributeToSelect('*'); // get all attributes

The background script is like any other JavaScript code. You can debug it using same tools you debug other JavaScript code in Chrome. To open the Chrome Developer Tools, go to chrome://extensions, and turn on Developer mode: Now you can debug any extension that have a background page or script. ...

You have 2 ways to debug the popup window. Both ways are by using the Chrome DevTools. Option 1: Right click the extension's action button, and choose Inspect popup Option 2: Open the popup window, directly in your browser as a tab. For example, if you extension id is abcdefghijkmnop, and your ...

To make the table more readable, following are the ways to color it: Rows Columns Lines Cells Coloring Rows Use \rowcolor (provided by colortbl; also loaded by xcolor under the [table] package option). Example: \documentclass{article} \usepackage[table]{xcolor} \begin{document} \be...

Break regular string literals with the \ character let a = "foobar"; let b = "foo\ bar"; // `a` and `b` are equal. assert_eq!(a,b); Break raw-string literals to separate strings, and join them with the concat! macro let c = r"foo\bar"; let d = conca...

You might have realized that $emit is scoped to the component that is emitting the event. That's a problem when you want to communicate between components far from one another in the component tree. Note: In Vue1 you coud use $dispatch or $broadcast, but not in Vue2. The reason being that it doesn'...

This code places the hint text at form load and manipulates it as follows: C# private void Form_load(object sender, EventArgs e) { textBox.Text = "Place Holder text..."; } private void textBox_Enter(object sender, EventArgs e) { if(textBox.Text == "Place Holder text....

Project is following the structure from the Angular2 Quickstart guide here. RootOfProject | +-- app | |-- app.component.ts | |-- main.ts | |-- pipeUser.component.ts | \-- sanitize.pipe.ts | |-- index.html |-- main.html |-- pipe.html main.ts import { bootstrap } from '@angu...

In most cases, the range_lookup is used as FALSE (an exact match). The default for this parameter is TRUE - it is less commonly used in this form, but this example shows one usecase. A supermarket gives a bonus based on the customers monthly spend. If the customer spends 250 EUR or more in a mon...

Double-quotes preserve all characters other than " terminator, $ expansions, ` command substitutions, and \ escapes of any of these characters (and newline removal). Note that the literal \ is preserved unless followed by a special character. General escapes: $ printf "\"quoted str...

The Jenkins Pipeline DSL is used as an example for such a language: node { git 'https://github.com/joe_user/simple-maven-project-with-tests.git' def mvnHome = tool 'M3' sh "${mvnHome}/bin/mvn -B -Dmaven.test.failure.ignore verify" archiveArtifacts artifacts: '**/target/*.jar',...