Tutorial by Examples: nd

If the administrator creates your database for you when setting up your permissions, you can begin using it. Otherwise, you need to create it yourself: mysql> CREATE DATABASE menagerie; Under Unix, database names are case sensitive (unlike SQL keywords), so you must always refer to your datab...

In some instances, you will want to send data from JS client to the R server. Here is a basic example using javascript's Shiny.onInputChange function: library(shiny) runApp( list( ui = fluidPage( # create password input HTML('<input type="password" id="passw...

To install DevExpress .NET products on your development machine, it is first necessary to obtain the DevExpress .NET Products Installer. You can download it from the http://www.devexpress.com website in one of the following ways, based on the status of your current account. Download the Trial ...

CKContainer.defaultContainer().accountStatusWithCompletionHandler { accountStatus, error in if accountStatus == .NoAccount { let alert = UIAlertController(title: "Sign in to iCloud", message: "Sign in to your iCloud account to write records. On the Home screen, l...

There is a signal WINCH ( WINdowCHange), which is fired when one resizes a terminal window. declare -x rows cols update_size(){ rows=$(tput lines) # get actual lines of term cols=$(tput cols) # get actual columns of term echo DEBUG terminal window has no $rows lines and is $cols chara...

MainActivity.java: public class MainActivity extends AppCompatActivity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); } } activity_main.xml: <?xml version="1...

Union operation combines the results of two or more queries into a single result set that includes all the rows that belong to all queries in the union and will ignore any duplicates that exist. Union all also does the same thing but include even the duplicate values. The concept of union operation ...

<svg width="600px" height="600px" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"> <polyline points="10,10,50,40,80,30,120,90,130,10,180,50,250,100,300,10" fill="none" stroke="red" s...

SVG Patterns behave significantly differently than CSS background images when filling equivalent shapes. This can lead to significant surprises for new-comers to SVG. Below are examples of a pattern defined in all possible combinations of patternUnits and patternContentUnits - showing how these sett...

element.style only reads CSS properties set inline, as an element attribute. However, styles are often set in an external stylesheet. The actual style of an element can be accessed with window.getComputedStyle(element). This function returns an object containing the actual computed value of all the ...

In bash, every command in a pipeline is executed in a subshell. In zsh, the last command in a pipeline is executed in current shell. For example, the following code var="before" echo "after" | read var echo $var will print before in bash, but after in zsh.

This is a basic example of a C Extension using C++ and Boost. C++ Code C++ code put in hello.cpp: #include <boost/python/module.hpp> #include <boost/python/list.hpp> #include <boost/python/class.hpp> #include <boost/python/def.hpp> // Return a hello world string. st...

Downloading the Bundle: The easiest way to download the required GTK Bundle is to search and download it using this link: https://git.gnome.org/browse/gtk+ (GNOME GIT Repository) GNOME GIT Repository provides the bundles for different versions and you can easily find the desired version by scrolli...

This example will show how to make and use animation clips for game objects or players. Note, the models used in this example are downloaded from Unity Asset Store. The player was downloaded from the following link: https://www.assetstore.unity3d.com/en/#!/content/21874. To create animations, firs...

To be able to use vim commands in Python, the vim module should be imported. :python import vim After having this module imported, the user has access to the command function: :python vim.command("normal iText to insert") This command would execute i in normal mode then type Text t...

public class ViewAnimationUtils { public static void expand(final View v) { v.measure(LayoutParams.MATCH_PARENT, LayoutParams.WRAP_CONTENT); final int targtetHeight = v.getMeasuredHeight(); v.getLayoutParams().height = 0; v...

Create drawable file named with custom_rectangle.xml in drawable folder: <?xml version="1.0" encoding="utf-8"?> <shape xmlns:android="http://schemas.android.com/apk/res/android" android:shape="rectangle" > <solid android:color=&quo...

Tags are typically applied via the editor; however, you can also apply tags via script. Any custom tag must be created via the Tags & Layers window before being applied to a game object. Setting Tags in the Editor With one or more game objects selected, you can select a tag from the inspecto...

Tags make it particularly easy to locate specific game objects. We can look for a single game object, or look for multiple. Finding a Single GameObject We can use the static function GameObject.FindGameObjectWithTag(string tag) to look for individual game objects. It is important to note that, i...

As described in the remarks section the Android build system uses the Android Plugin for Gradle to support building Android applications with Gradle. You can specify the Android Plugin for Gradle version in the top-level build.gradle file. The plugin version applies to all modules built in that And...