nabucosound

Mac OS X for a Python developer

This is a personal HOW-TO I have been using lately to install and setup my Macbook Pro laptop with OS X, to be used as a developer machine for Python, Django, MySQL and other tools I use daily for my projects. To get most of the software Homebrew is been used.

Terminal

mudge

/* Polyfill indexOf. */
var indexOf;

if (typeof Array.prototype.indexOf === 'function') {
    indexOf = function (haystack, needle) {
        return haystack.indexOf(needle);
    };
} else {
    indexOf = function (haystack, needle) {
        var i = 0, length = haystack.length, idx = -1, found = false;

brunobord

taken from

The system

The minisystem goes like this:

• Say what you do and roll a number of d6s.
• If the sum of your roll is higher than the opposing roll (either another player or the DM), the thing you wanted to happen, happens.
• The number of the d6s you roll is determined by the level of skill you have.

bjcull

public class CustomRequireHttpsFilter : RequireHttpsAttribute
{
    protected override void HandleNonHttpsRequest(AuthorizationContext filterContext)
    {
        // The base only redirects GET, but we added HEAD as well. This avoids exceptions for bots crawling using HEAD.
        // The other requests will throw an exception to ensure the correct verbs are used. 
        // We fall back to the base method as the mvc exceptions are marked as internal. 

        if (!String.Equals(filterContext.HttpContext.Request.HttpMethod, "GET", StringComparison.OrdinalIgnoreCase) 
            && !String.Equals(filterContext.HttpContext.Request.HttpMethod, "HEAD", StringComparison.OrdinalIgnoreCase))

lestoni

via (https://www.linux.com/learn/tutorials/442438-vim-tips-folding-fun)

• zf#j creates a fold from the cursor down # lines.
• zf/string creates a fold from the cursor to string .
• zj moves the cursor to the next fold.
• zk moves the cursor to the previous fold.
• zo opens a fold at the cursor.
• zO opens all folds at the cursor.
• zm increases the foldlevel by one.
• zM closes all open folds.

remarkablemark

JavaScript Classes - ES5 vs ES6

An example that shows the difference between creating a JavaScript class and subclass in ES5 and ES6.

Reference

holiman

contract DeliveryBoy{
    /*
     * Delivery boy is very important, but not so clever
     */
    function deliver(address recipient){
        selfdestruct(recipient);
    }
}

contract MailMan{

maurelian

pragma solidity ^0.4.10;

// Update: Just use HardHat's: https://github.com/nomiclabs/hardhat/blob/master/packages/hardhat-core/console.sol

// Enables event logging of the format `console.log('descriptive string', variable)`, 
// without having to worry about the variable type (as long as an event has been declared for that type in the 
// Console contract.

contract Console {
    event LogUint(string, uint);

dsample

ASCI art characters for creating diagrams

Characters:

Single line

• ASCII code 191 = ┐ ( Box drawing character single line upper right corner )
• ASCII code 192 = └ ( Box drawing character single line lower left corner )
• ASCII code 193 = ┴ ( Box drawing character single line horizontal and up )
• ASCII code 194 = ┬ ( Box drawing character single line horizontal down )

laughinghan

• any: magic, ill-behaved type that acts like a combination of never (the proper [bottom type]) and unknown (the proper [top type])
  • Anything except never is assignable to any, and any is assignable to anything at all.
  • Identities: any & AnyTypeExpression = any, any | AnyTypeExpression = any
  • Key TypeScript feature that allows for [gradual typing].
• unknown: proper, well-behaved [top type]
  • Anything at all is assignable to unknown. unknown is only assignable to itself (unknown) and any.
  • Identities: unknown & AnyTypeExpression = AnyTypeExpression, unknown | AnyTypeExpression = unknown

• Prefer over any whenever possible. Anywhere in well-typed code you're tempted to use any, you probably want unknown.