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NodeJS: How to get the server's port?
You often see example hello world code for Node that creates an Http Server, starts listening on a port, then followed by something along the lines of:
...
Generating PDF files with JavaScript
...e back and let you know :)
Generate PDFs in Javascript
Example create a "Hello World" PDF file.
// Default export is a4 paper, portrait, using milimeters for units
var doc = new jsPDF()
doc.text('Hello world!', 10, 10)
doc.save('a4.pdf')
<script src="https://cdnjs.cloudflare.com/ajax...
What do 'lazy' and 'greedy' mean in the context of regular expressions?
...atch HTML tags with <.+>. Suppose you have the following:
<em>Hello World</em>
You may think that <.+> (. means any non newline character and + means one or more) would only match the <em> and the </em>, when in reality it will be very greedy, and go from the f...
Swift - which types to use? NSString or String
...er which one you use. You can always cast between the two, using
let s = "hello" as NSString
or even
let s: NSString = "hello"
NSInteger is just an alias for an int or a long (depending on the architecture), so I'd just use Int.
NSDictionary is a different matter, since Dictionary is a compl...
Why is my variable unaltered after I modify it inside of a function? - Asynchronous code reference
... been called. Let's tackle a bit more complex example:
var outerScopeVar;
helloCatAsync();
alert(outerScopeVar);
function helloCatAsync() {
setTimeout(function() {
outerScopeVar = 'Nya';
}, Math.random() * 2000);
}
Note: I'm using setTimeout with a random delay as a generic async...
What's the best way to determine the location of the current PowerShell script?
... -Scope 1).Value return Split-Path $scriptInvocation.MyCommand.Path } $hello = "hello" Write-Host (Get-Script-Directory) Write-Host $hello Save that and run it from a different directory. You'll show the path to the script.
– Sean C.
Mar 29 '11 at 0:25
...
Eclipse - Unable to install breakpoint due to missing line number attributes
...ithoutInterface {
public void doSomething() {
System.out.println("Hello TestServiceWithoutInterface");
}
}
The service above will have an interface generated by spring causing "missing line numbers". Adding a real interface solve the generation problem:
public interface TestService {
...
Node.js + Nginx - What now?
...es) {
res.writeHead(200, {'Content-Type': 'text/plain'});
res.end('Hello World\n');
}).listen(3000, "127.0.0.1");
console.log('Server running at http://127.0.0.1:3000/');
Test for syntax mistakes:
nginx -t
Restart nginx:
sudo /etc/init.d/nginx restart
Lastly start the node server:
c...
How to use the same C++ code for Android and iOS?
...ctive languages, and the CPP code will create a text as a follow "cpp says hello to << text received >>".
Shared CPP code
First of all, we are going to create the shared CPP code, doing it we have a simple header file with the method declaration that receives the desired text:
#includ...
Difference between “module.exports” and “exports” in the CommonJs Module System
...er. Suppose you have
greet.js
var greet = function () {
console.log('Hello World');
};
module.exports = greet;
the above code is wrapped as IIFE(Immediately Invoked Function Expression) inside nodejs source code as follows:
(function (exports, require, module, __filename, __dirname) { //ad...