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What is a rune?
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From the Go lang release notes: http://golang.org/doc/go1#rune
Rune is a Type. It occupies 32bit and is meant to represent a Unicode CodePoint.
As an analogy the english characters set encoded in 'ASCII' has 128 code points....
How to get the path of a running JAR file?
...f your class.
Obviously, this will do odd things if your class was loaded from a non-file location.
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How to create an HTTPS server in Node.js?
...v0.3.1. server.setSecure() is removed in newer versions of node.
Directly from that source:
const crypto = require('crypto'),
fs = require("fs"),
http = require("http");
var privateKey = fs.readFileSync('privatekey.pem').toString();
var certificate = fs.readFileSync('certificate.pem').toStrin...
delete a.x vs a.x = undefined
...rty in the chained prototypes http://jsfiddle.net/NEEw4/1/
var obj = {x: "fromPrototype"};
var extended = Object.create(obj);
extended.x = "overriding";
console.log(extended.x); // overriding
extended.x = undefined;
console.log(extended.x); // undefined
delete extended.x;
console.log(extended.x); ...
How to check if an email address exists without sending an email?
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VRFY user
You can issue a RCPT, and see if the mail is rejected.
MAIL FROM:<>
RCPT TO:<user@domain>
If the user doesn't exist, you'll get a 5.1.1 DSN. However, just because the email is not rejected, does not mean the user exists. Some server will silently discard requests like t...
Set attributes from dictionary in python
Is it possible to create an object from a dictionary in python in such a way that each key is an attribute of that object?
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git clone from another directory
I am trying to clone repo from another directory.
8 Answers
8
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How can I dynamically create derived classes from a base class
...bles" -
So, you could just add your classes to a dictionary and use them from there:
name = "SpecialClass"
classes = {}
classes[name] = ClassFactory(name, params)
instance = classes[name](...)
And if your design absolutely needs the names to come in scope,
just do the same, but use the dictiona...
Using helpers in model: how do I include helper dependencies?
I'm writing a model that handles user input from a text area. Following the advice from http://blog.caboo.se/articles/2008/8/25/sanitize-your-users-html-input , I'm cleaning up the input in the model before saving to database, using the before_validate callback.
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classical inheritance vs prototypal inheritance in javascript
...tion is defined as "a general concept formed by extracting common features from specific examples". However for the sake of this explanation we're going to use the aforementioned definition instead.
Now some objects have a lot of things in common. For example a mud bike and a Harley Davidson have a...