Tutorial by Examples: le

import pyglet from pyglet.gl import * win = pyglet.window.Window() @win.event() def on_draw(): #OpenGL goes here. Use OpenGL as normal. pyglet.app.run()

import pyglet from pyglet.gl import * win = pyglet.window.Window() glClear(GL_COLOR_BUFFER_BIT) @win.event def on_draw(): glBegin(GL_POINTS) glVertex2f(x, y) #x is desired distance from left side of window, y is desired distance from bottom of window #make as many vertexes as...

In our last two examples, numpy assumed that a[0,:] was the first vector, a[1,:] the second, and a[2,:] the third. Numpy.cross has an optional argument axisa that allows us to specify which axis defines the vectors. So, >>> a=np.array([[1,1,1],[0,1,0],[1,0,-1]]) >>> b=np.array([0...

BatchBashDescriptioncommand /?man commandShows the help for commandbitsadminwget or curlDownloads a remote filecertutil -hashfile file_name MD5md5sum file_nameGets the MD5 checksum of file_namecdpwdDisplays the current directorycd directorycd directoryChanges the current directory to the specified o...

BatchBashDescription%variable%$variableA regular variable!variable!$variableA variable inside of a code block when setlocal enabledelayedexpansion is on%errorlevel% or ERRORLEVEL$?Returns the status of the previous command: 0 if successful, 1 (or something else) if not%1, %2, %3, etc.$1, $2, $3, etc...

Implementing the Behavior This behavior will cause mouse wheel events from an inner ScrollViewer to bubble up to the parent ScrollViewer when the inner one is at either its upper or lower limit. Without this behavior, the events will never make it out of the inner ScrollViewer. public class Bubbl...

Declare @userList Table(UserKey VARCHAR(60)) Insert into @userList values ('bill'),('jcom'),('others') --Declared a table variable and insert 3 records Declare @text XML Select @text = ( select UserKey from @userList for XML Path('user'), root('group') ) --Set the XML value from ...

CREATE TABLE mytable (number INT); INSERT INTO mytable VALUES (1); CREATE MATERIALIZED VIEW myview AS SELECT * FROM mytable; SELECT * FROM myview; number -------- 1 (1 row) INSERT INTO mytable VALUES(2); SELECT * FROM myview; number -------- 1 (1 row) REFRESH ...

Java code: public class StdioApplication { public static void main(String[] args) { new ClassPathXmlApplicationContext("classpath:spring/integration/stackoverflow/stdio/stdio.xml"); } } Xml config file <?xml version="1.0" encoding="UTF-8"?&...

using System; using System.Speech.Synthesis; using System.Windows; namespace Stackoverflow.SpeechSynthesisExample { public partial class SpeechSynthesisSample : Window { public SpeechSynthesisSample() { InitializeComp...

This example demonstrates how a cross origin http request can be handled using a middleware. CORS Background CORS is an access control method adopted by all major browsers to avert Cross Scripting Vulnerabilities inherent by them. In general browser security, scripts should maintain that all XHR r...

Let's say you need to add a field to every document in a collection. import pymongo client = pymongo.MongoClient('localhost', 27017) db = client.mydb.mycollection for doc in db.find(): db.update( {'_id': doc['_id']}, {'$set': {'newField': 10} }, upsert=False, multi=False...

Previously, datatables were initialized as follows: var oTable = $("#selector").dataTable(); This used to return a jQuery object which would stored in the variable oTable. And then to access the api to modify table properties, we had to initialize the api differently, as shown below: ...

The following 3 features (that were deprecated in 1.9) are no longer available in 1.10, they are : fnRender: According to the deverloper: The old fnRender option provided a method of manipulating a cell when it was created. however, it was provided with a confusing list of options as its a...

This is one approach which has been there since JSR 168.It allows us to share attributes using portlet session.A portlet session can have different types of scopes: Portlet scope(attributes available only within portlet) Application scope(attributes available within whole application[war]) In...

We assume a fully working UIScrollview named _scrollView; Note that UITableView, UICollectionView are also scrollviews, hence the following examples would work on those UI elements. First, creation & allocation UIRefreshControl refreshControl = new UIRefreshControl(); Second, connecting th...

This example will register an vuex module dynamically for storing custom notifications that can automatically dismissed notifications.js resolve vuex store and define some constants //Vuex store previously configured on other side import _store from 'path/to/store'; //Notification default dur...

You can import an SVG file as a VectorDrawable in Android Studio, follow these steps : "Right-click" on the res folder and select new > Vector Asset. Select the Local File option and browse to your .svg file. Change the options to your liking and hit next. Done.

Temp tables must have unique IDs (within the session, for local temp tables, or within the server, for global temp tables). Trying to create a table using a name that already exists will return the following error: There is already an object named '#tempTable' in the database. If your query pro...

This example assumes that you have already added Fresco to your app (see this example): SimpleDraweeView img = new SimpleDraweeView(context); ImageRequest request = ImageRequestBuilder .newBuilderWithSource(Uri.parse("http://example.com/image.png")) .setProgressiveRende...