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Using XHTML you should avoid methods such as document.write and innerHTML as they treat XML as text and do not properly serialize code; an id attribute in HTML is essentially dumped in to the DOM and the id attribute is not serialized which means when trying to reference to it with something such as...

Consider following directory structure to comply with best practices: [ProjectRoot] |---[app] | |---[resources] | routes.php |---[web] | |---[resources] | | |---[css] | | |---[img] | | |---[js] | .htaccess | index.ph...

Failing to load a file The first possible error is failing to load the library. In that case an OSError is usually raised. This is either because the file doesn't exists (or can't be found by the OS): >>> cdll.LoadLibrary("foobar.so") Traceback (most recent call last): File &...

In some cases, a C function accepts a function pointer. As avid ctypes users, we would like to use those functions, and even pass python function as arguments. Let's define a function: >>> def max(x, y): return x if x >= y else y Now, that function takes two arguments and r...

One of the simpler ways of implementing an authorization system is using the flask-login extension. The project's website contains a detailed and well-written quickstart, a shorter version of which is available in this example. General idea The extension exposes a set of functions used for: log...

Consider the following code to copy one file to another: import java.io.*; public class FileCopy { public static void main(String[] args) throws Exception { try (InputStream is = new FileInputStream(args[0]); OutputStream os = new FileOutputStream(args[1])) { ...

Any declaration (variable, const, function, class, etc.) can be exported from module to be imported in other module. Typescript offer two export types: named and default. Named export // adams.ts export function hello(name: string){ console.log(`Hello ${name}!`); } export const answerToLi...

Java SE Version History The following table provides the timeline for the significant major versions of the Java SE platform. Java SE Version1Code NameEnd-of-life (free2)Release DateJava SE 9 (Early Access)Nonefuture2017-07-27 (estimated)Java SE 8Nonefuture2014-03-18Java SE 7Dolphin2015-04-142011-...

Add this text to appsettings.json { "key1": "value1", "key2": 2, "subsectionKey": { "suboption1": "subvalue1" } } Now you can use this configuration in your app, in the way like this public class Program { sta...

Create class like a class below public class MyOptions { public MyOptions() { // Set default value, if you need it. Key1 = "value1_from_ctor"; } public string Key1 { get; set; } public int Key2 { get; set; } } Then you need to add this code ...

This example uses a class on the placeholder to turn it into a line and make it take up no room. HTML <div id="sortable"> <div>1</div> <div>2</div> <div>3</div> <div>4</div> </div> JS $("#sortable&q...

public class Program { public static void Main(string[] args) { Console.WriteLine("\nWhat is your name? "); var name = Console.ReadLine(); var date = DateTime.Now; Console.WriteLine("\nHello, {0}, on {1:d} at {1:t}", name, date); ...

Based on a question. The following snippets Does not cache the expected emission and prevents further calls. Instead it re-subscribes to the realSource for every subscription. var state = 5 var realSource = Rx.Observable.create(observer => { console.log("creating expensive HTTP-based emis...

#include <string.h> #include <gst/gst.h> #include <gst/app/gstappsrc.h> /* * an example application of using appsrc in push mode to create a file. * from buffers we push into the pipeline. */ /* S16LE 10ms frame audio */ #define BUFFER_SIZE 160 /* 300 frames =...

Executable C++ program code is usually produced by a compiler. A compiler is a program that translates code from a programming language into another form which is (more) directly executable for a computer. Using a compiler to translate code is called compilation. C++ inherits the form of its compi...

Selection of a Version Control System Of course many organisations or projects already have a preferred or selected version control system if this is the case for you just skip to client installation. There are a number of things to consider when selecting the version control system to use, given ...

/** * NetSuite will loop through each record in your search * and pass the record type and id for deletion * Try / Catch is useful if you wish to handle potential errors */ function MassDelete(record_type, record_id) { try { nlapiDeleteRecord(record_type, record_id...

1. Scrolling to target element ("BROWSE TEMPLATES" button at the bottom of page) with Actions from selenium import webdriver from selenium.webdriver.common.action_chains import ActionChains driver = webdriver.Chrome() driver.get('http://www.w3schools.com/') target = driver.find_elem...

The modules used in this example are part of pywin32 (Python for Windows extensions). Depending on how you installed Python, you might need to install this separately. import win32serviceutil import win32service import win32event import servicemanager import socket class AppServerSvc (win3...

A version control system allows a developer or development team access to essentially I time machine. If the source code, settings, etc., that were used to build a program or system are under version control then the developers can step back in time to recover lost functionality, trace how errors we...