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How to convert char to int?
...t i = (int)(c - '0');
which does substraction of the char value?
Re the API question (comments), perhaps an extension method?
public static class CharExtensions {
public static int ParseInt32(this char value) {
int i = (int)(value - '0');
if (i < 0 || i > 9) throw new A...
Override body style for content in an iframe
...ult icon and place one of my background images. I did the following:
Tawk_API.onLoad = function() {
// without a specific API, you may try a similar load function
// perhaps with a setTimeout to ensure the iframe's content is fully loaded
$('#mtawkchat-minified-iframe-element').
contents().fi...
How to write to a file in Scala?
... corner stone traits are Input, Output and Seekable which provide the core API.
Other classes of importance are Resource, ReadChars and WriteChars.
File - File is a File (called Path) API that is based on a combination of Java 7 NIO filesystem and SBT PathFinder APIs.
Path and FileSystem are t...
What exactly is a Context in Java? [duplicate]
...ate of other classes, state of the current environment, etcetera.
In some API's you see this name back in an interface/class, e.g. Servlet's ServletContext, JSF's FacesContext, Spring's ApplicationContext, Android's Context, JNDI's InitialContext, etc. They all often follow the Facade Pattern which...
How to leave a message for a github.com user
... paste the next line into your browser (feel free to
bookmark it): https://api.github.com/users/xxxxxxx/events/public
Find the GitHub username for which you want the email. Replace the
xxxxxxx in the URL with the person's GitHub username. Hit Enter.
Press Ctrl+F and search for “email”.
As sug...
Creating a custom JButton in Java
...mplement AbstractButton and conform to the guidelines set out by the Swing API. A good starting point is to look at the javax.swing.LookAndFeel and javax.swing.UIManager classes.
http://docs.oracle.com/javase/8/docs/api/javax/swing/LookAndFeel.html
http://docs.oracle.com/javase/8/docs/api/javax/sw...
When to use window.opener / window.parent / window.top
...be found here:
window.opener
https://developer.mozilla.org/en-US/docs/Web/API/Window.opener
I've used window.opener mostly when opening a new window that acted as a dialog which required user input, and needed to pass information back to the main window. However this is restricted by origin polic...
Why do you not use C for your web apps?
...b which is especially frustrating is to desperately search for the 'magic' API call that will do what you want to do.
Think about how to do 'pretty thousands' in:
C#
String.Format("{0:n}"...
Java
new DecimalFormat("0.00"); ...
PHP
number_format($amount, 2); ...
ANSI C
sprintf("%'.2f", am...
Server polling with AngularJS
... The process for stopping a $timeout is explained here docs.angularjs.org/api/ng.$timeout. Basically, the $timeout function returns a promise which you need to assign to a variable. Then listen for when that controller gets destroyed: $scope.$on('destroy', fn());. In the callback function cal...
ctypes - Beginner
...Python library and generate a Python C extension module that exposes the C API. Another way is to use Cython.
They all have benefits and drawbacks.
SWIG will only expose your C API to Python. That means you don't get any objects or anything, you'll have to make a separate Python file doing that. I...