Tutorial by Examples: d

During mousemove you get flooded with 30 mouse events per second. You might not be able to redraw your drawings at 30 times per second. Even if you can, you're probably wasting computing power by drawing when the browser is not ready to draw (wasted == across display refresh cycles). Therefore it m...

A distribution can be downloaded from the Apache Struts website. The full distribution contains: the struts2-core.jar file related dependencies example applications a copy of the documentation in HTML format the complete source code. Blank Application The blank web application in the dis...

<#@ template language="C#" #> //Language of your project <#@ assembly name="System.Core" #> <#@ import namespace="System.Linq" #> <#@ import namespace="System.Text" #> <#@ import namespace="System.Collections.Generic" ...

Images can be drawn onto a JComponent using the drawImage method of class Graphics: loading an image BufferedImage img; try { img = ImageIO.read(new File("stackoverflow.jpg")); } catch (IOException e) { throw new RuntimeException("Could not load image", e); } dr...

The even? method can be used to determine if a number is even 4.even? # => true 5.even? # => false The odd? method can be used to determine if a number is odd 4.odd? # => false 5.odd? # => true

The round method will round a number up if the first digit after its decimal place is 5 or higher and round down if that digit is 4 or lower. This takes in an optional argument for the precision you're looking for. 4.89.round # => 5 4.25.round # => 4 3.141526.round(1) # => ...

Invented by John McCarthy around 1958, Lisp (List Processor) has continued to grow into an entire family of languages. Since StackOverflow is more about practical programming problems, typically problems will involve actual Lisp dialects or derived languages and their implementations. Problems that...

th elements are very commonly used to indicate headings for table rows and columns, like so: <table> <thead> <tr> <td></td> <th>Column Heading 1</th> <th>Column Heading 2</th> </tr...

To make long text at most N characters long but leave last word intact, use .{0,N}\b pattern: ^(.{0,N})\b.*

Before making a pull request, it is useful to make sure that compile is successful and tests are passing for each commit in the branch. We can do that automatically using -x parameter. For example: git rebase -i -x make will perform the interactive rebase and stop after each commit to execute mak...

import tensorflow as tf dims, layers = 32, 2 # Creating the forward and backwards cells lstm_fw_cell = tf.nn.rnn_cell.BasicLSTMCell(dims, forget_bias=1.0) lstm_bw_cell = tf.nn.rnn_cell.BasicLSTMCell(dims, forget_bias=1.0) # Pass lstm_fw_cell / lstm_bw_cell directly to tf.nn.bidrectional_rnn ...

go build will compile a program into an executable file. To demonstrate, we will use a simple Hello World example main.go: package main import fmt func main() { fmt.Println("Hello, World!") } Compile the program: go build main.go build creates an executable program...

Let's take a sample class: public class Transaction { public string Category { get; set; } public DateTime Date { get; set; } public decimal Amount { get; set; } } Now, let us consider a list of transactions: var transactions = new List<Transaction> { new Transaction...

TokenStream stream = myAnalyzer.tokenStream("myField", textToAnalyze); stream.addAttribute(CharTermAttribute.class); stream.reset(); while(stream.incrementToken()) { CharTermAttribute token = stream.getAttribute(CharTermAttribute.class); System.out.println(token.toString()); ...

public class NullableTypesExample { static int? _testValue; public static void Main() { if(_testValue == null) Console.WriteLine("null"); else Console.WriteLine(_testValue.ToString()); } } Output: null

After you’ve downloaded, these are the files and folders you should see: The bin folder holds the Cake console executables. The config folder holds the Configuration files CakePHP uses. Database connection details, bootstrapping, core configuration files and more should be stored here. The plug...

UISplitViewController must be the rootViewController of your application. AppDelegate.m - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions { // Override point for customization after application launch. self.window = [[UIWindow alloc] i...

It is illegal to access a reference to an object that has gone out of scope or been otherwise destroyed. Such a reference is said to be dangling since it no longer refers to a valid object. #include <iostream> int& getX() { int x = 42; return x; } int main() { int& r...

Let's test our basic knowledge of tkinter by creating the classic "Hello, World!" program. First, we must import tkinter, this will vary based on version (see remarks section about "Differences between Python 2 and 3") In Python 3 the module tkinter has a lowercase t: import t...

import tkinter as tk class HelloWorld(tk.Frame): def __init__(self, parent): super(HelloWorld, self).__init__(parent) self.label = tk.Label(self, text="Hello, World!") self.label.pack(padx=20, pady=20) if __name__ == "__main__": ...