The Wiert Corner – irregular stream of stuff

Jeroen W. Pluimers on .NET, C#, Delphi, databases, and personal interests

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Archive for the ‘JavaScript/ECMAScript’ Category

Stuff on my research list thanks to Martijn Laarman (@Mpdreamz)

Posted by jpluimers on 2018/02/08

Quite some time ago, I attended a great introductory elasticsearch/kibana workshop by Martijn Laarman (@Mpdreamz, github.com/Mpdreamz and SO martijn-laarman) that lead me into researching a lot of interesting new things:

–jeroen

Posted in Development, JavaScript/ECMAScript, JSON, Scripting, Software Development | Leave a Comment »

Location, location

Posted by jpluimers on 2018/01/26

This is why I try to avoid doing web-development: [WayBack] Location, location: location = location … and a 534 other ways to reload the page with JavaScript.

Via [WayBack] location = location … and a 534 other ways to reload the page with JavaScript – ThisIsWhyICode – Google+

–jeroen

Posted in Development, JavaScript/ECMAScript, Scripting, Software Development, Web Development | Leave a Comment »

Reinstalling atom.io: getting the user-installed package list then re-installing it.

Posted by jpluimers on 2018/01/02

Sometimes your Atom installation gets so unstable that the quickest solution is a reinstall. For that you need to get a list of user-installed packages, then re-install them.

On Windows your Atom Package Manager apm is here (but not in the path), where the first is version specific and the latter the most recent version:

%LOCALAPPDAT%\atom\app-1.18.0\resources\cli\apm.cmd
%LOCALAPPDATA%\atom\bin\apm.cmd

On Mac OS X, it is here and in the path:

/usr/local/bin/apm
/Applications/Atom.app/Contents/Resources/app/apm/node_modules/.bin/apm

Save your packages:

apm list --installed --bare > package-list.txt

Install packages:

apm install --packages-file package-list.txt

For my own memory, the settings folders:

  • Windows: %USERPROFILE%\.atom
  • Mac OS X: ~/.atom

–jeroen

via:

Posted in Atom, Development, JavaScript/ECMAScript, Node.js, Power User, Scripting, Software Development, Text Editors | Leave a Comment »

Let’s stop copying C / fuzzy notepad

Posted by jpluimers on 2017/12/07

Ah, C. The best lingua franca we have… because we have no other lingua francas. Linguae franca. Surgeons general? C is fairly old — 44 years, now! — and comes from a time when there were possibly more architectures than programming languages. It works well for what it is, and what it is is a relatively simple layer of indirection atop assembly. Alas, the popularity of C has led to a number of programming languages’ taking significant cues from its design, and parts of its design are… slightly questionable. I’ve gone through some common features that probably should’ve stayed in C and my justification for saying so. The features are listed in rough order from (I hope) least to most controversial. The idea is that C fans will give up when I call it “weakly typed” and not even get to the part where I rag on braces. Wait, crap, I gave it away.

Great re-read towards the end of the year: [WayBackLet’s stop copying C / fuzzy notepad

Via: [WayBack] Old and busted: emacs vs vi. New and hot: Language war, everybody against everybody else. – Kristian Köhntopp – Google+

–jeroen

Posted in .NET, APL, Awk, bash, BASIC, C, C#, C++, COBOL, CoffeeScript, CommandLine, D, Delphi, Development, F#, Fortran, Go (golang), Java, Java Platform, JavaScript/ECMAScript, Pascal, Perl, PHP, PowerShell, PowerShell, Python, Ruby, Scala, Scripting, Software Development, TypeScript, VB.NET, VBScript | 3 Comments »

coinmon: In case you don’t want to install 61 packages [1] :)

Posted by jpluimers on 2017/12/04

via: [WayBack] Hacker News – coinmon: In case you don’t want to install 61 packages [1] :) and [WayBack] The curl + jq based approach to check Bitcoin prices looks a bit more attractive than using a node.js package with 61 dependencies, doesn’t it? Source:… – ThisIsWhyICode – Google+

Function to call curl from bash:

    $ coinmon() {
    >     curl "https://api.coinmarketcap.com/v1/ticker/?convert=$1" | jq ".[0] .price_$1"
    > }

    $ coinmon eur
    "6988.4723188"

Or in Python (from the same HackerNew thread): [Archive.is] https://www.pastery.net/jnscrh/

#!/usr/bin/env python3

from urllib.request import urlopen
from decimal import Decimal
import json

def print_coin(coin):
    print("{} ticker:".format(coin["name"]))
    print("Price: {:,} EUR".format(Decimal(coin["price_eur"])))
    print("Market cap: {:,} EUR".format(Decimal(coin["market_cap_eur"])))
    print()


r = urlopen("https://api.coinmarketcap.com/v1/ticker/?convert=eur")
coins = json.loads(r.read().decode("utf8"))

for coin in coins:
    if coin["id"] in ("bitcoin", "ethereum", "ripple", "monero"):
        print_coin(coin)

–jeroe

Posted in Development, JavaScript/ECMAScript, Node.js, Software Development | Leave a Comment »

 
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