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A static member function is just like an ordinary C/C++ function, except with scope: It is inside a class, so it needs its name decorated with the class name; It has accessibility, with public, protected or private. So, if you have access to the static member function and decorate it correctl...
A static member variable is just like an ordinary C/C++ variable, except with scope: It is inside a class, so it needs its name decorated with the class name; It has accessibility, with public, protected or private. So, if you have access to the static member variable and decorate it correctl...
sp_who2 This procedure can be used to find information on current SQL server sessions. Since it is a procedure, it's often helpful to store the results into a temporary table or table variable so one can order, filter, and transform the results as needed. The below can be used for a queryable v...
To create a mixin use the @mixin directive. @mixin default-box ($color, $borderColor) { color: $color; border: 1px solid $borderColor; clear: both; display: block; margin: 5px 0; padding: 5px 10px; } You can specify a list of arguments inside a parenthesis followin...
If you are familiar with jQuery and Sizzle syntax, d3 selections should not be much different. d3 mimics the W3C Selectors API to make interacting with elements easier. For a basic example, to select all <p> and add a change to each of them: d3.selectAll('p') .attr('class','textClass') ...
The lubridate package provides convenient functions to format date and datetime objects from character strings. The functions are permutations of LetterElement to parseBase R equivalentyyear%y, %Ym (with y and d)month%m, %b, %h, %Bdday%d, %ehhour%H, %I%pm (with h and s)minute%Msseconds%S e.g. ymd(...
This will show the user type and permission path (which windows group the user is getting its permissions from). xp_logininfo 'DOMAIN\user'
You can alternatively use an Object Declaration that contains the main function for a Kotlin program. package my.program object App { @JvmStatic fun main(args: Array<String>) { println("Hello World") } } The class name that you will run is the name of you...
From ES5.1 onwards, you can use the native method Array.prototype.filter to loop through an array and leave only entries that pass a given callback function. In the following example, our callback checks if the given value occurs in the array. If it does, it is a duplicate and will not be copied to...
The easiest way to get started with Gremlin is to install the Gremlin Console. The Gremlin Console is a REPL that allows immediate feedback on the results of Gremlin traversals. As a prerequisite, Java 8 is required for the Gremlin Console to run. Ensure that it is installed prior to moving forward...
Detailed instructions on getting titan set up or installed.
You can rollback and then migrate again using the redo command. This is basically a shortcut that combines rollback and migrate tasks. Run command: 5.0 rake db:migrate:redo 5.0 rails db:migrate:redo You can use the STEP parameter to go back more than one version. For example, to go ba...
Drupal Console The new CLI for Drupal. A tool to generate boilerplate code, interact with and debug Drupal. First, we need to install Drupal Console. Drupal Console is needed not only for this time, but for future installations. # Run this in your terminal to get the latest project version: cur...
In Aurelia all HTML templates are defined inside of opening and closing <template></template> tags. All of your HTML and Aurelia specific logic goes inside of these template tags and cannot exist outside of them. <template> </template>
Looping over an iterable defined inside of your viewmodel or passed through as a bindable (if a Custom Attribute or Custom Element) can be done like so. An array of string values export class MyViewModel { myIterable = ['String 1', 'String 2', 'String 3', 'String 4']; } <template> ...
Reading the contents of a file within a web application can be accomplished by utilizing the HTML5 File API. First, add an input with type="file" in your HTML: <input type="file" id="upload"> Next, we're going to add a change listener on the file-input. This e...
Dim extensions As New Dictionary(Of String, String) _ from { { "txt", "notepad" }, { "bmp", "paint" }, { "doc", "winword" } } This creates a dictionary and immediately fills it with three KeyValuePairs. You can also add new val...
Comparable types are primitive types that can be compared using comparison operators from Basics module, like: (<), (>), (<=), (>=), max, min, compare Comparable types in Elm are Int, Float, Time, Char, String, and tuples or lists of comparable types. In documentation or type definitio...
The return statement can be a useful way to create output for a function. The return statement is especially useful if you do not know in which context the function will be used yet. //An example function that will take a string as input and return //the first character of the string. function...
We will see how to center content based on the height of a near element. Compatibility: IE8+, all other modern browsers. HTML <div class="content"> <div class="position-container"> <div class="thumb"> <img src="http://lorempix...

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