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NodeJS: How to get the server's port?
...', function(req, res){
res.render('index.jade', {
locals: {
title: 'Express'
}
});
});
// Only listen on $ node app.js
if (!module.parent) {
app.listen(3000);
console.log("Express server listening on port %d", app.address().port)
}
...
Convert Rows to columns using 'Pivot' in SQL Server
... can use the PIVOT function to transform the data from rows into columns.
It sounds like you will need to use dynamic sql if the weeks are unknown but it is easier to see the correct code using a hard-coded version initially.
First up, here are some quick table definitions and data for use:
CREAT...
How to define “type disjunction” (union types)?
One way that has been suggested to deal with double definitions of overloaded methods is to replace overloading with pattern matching:
...
Search for executable files using find command
What type of parameter/flag can I use with the Unix find command so that I search executables?
10 Answers
...
What are deferred objects?
...
deferred.reject()
Reject a Deferred object and call any failCallbacks with the given args.
deferred.rejectWith()
Reject a Deferred object and call any failCallbacks with the given context and args.
deferred.resolve()
Resolve a Deferred object and call any doneCallbacks with the given args....
How can I access and process nested objects, arrays or JSON?
...value pairs are also called the "properties".
Properties can be accessed either using dot notation
const value = obj.someProperty;
or bracket notation, if the property name would not be a valid JavaScript identifier name [spec], or the name is the value of a variable:
// the space is not a vali...
Create subdomains on the fly with .htaccess (PHP)
...oking to create a system which on signup will create a subdomain on my website for the users account area.
9 Answers
...
What are the GCC default include directories?
When I compile a very simple source file with gcc I don't have to specify the path to standard include files such as stdio or stdlib.
...
Check if a value is within a range of numbers
...out numeric comparisons, so regular expressions really have nothing to do with the issue. You don't need "multiple if" statements to do it, either:
if (x >= 0.001 && x <= 0.009) {
// something
}
You could write yourself a "between()" function:
function between(x, min, max) {
r...
How to escape a JSON string to have it in a URL?
...
It seems though that it encodes more characters than necessary (when I paste the link in Firefox, some characters are reverted back (i.e. {["). Is there a way to encode only the characters necessary, so that I can shorten my ...