maanoo/blog

 We all want the types of Typescript without the Typescript, for the best friend to every human code generator: the members suggestion list ...

We have a game in html with a bunch of images and sound effects. Instead of having a bunch of requests, we want to package all the asset fil...

Lets validate some data, and lets do some smart checks with a unknown random schema. Lets same why wnat to check internal id references, and...

You have your utils.js with the classic document.querySelector shortcut: function q(selector) { return document.querySelector(selecto...

 We want to put all the things into a single index.html and then uploaded. We just: index.html: index.php $(shell find src -type f) php...

Lets create a series of fields: { container.add(new Field("name", "text")); container.add(new Field("surname...

Top "css library" of 2020s, tailwind css with the its message "Rapidly build modern websites without ever leaving your HTML...

Lets say we want to write some quick html and js thing to test something. We want a text field and a button to login with a username and if ...

Lets assume you have an web app with some sort of login system, and you are testing things on a local web server bound to "localhost...

Create a patch file: Locate the file we want to change, eg. path/file.json Create a copy of the file and edit it in the same directory, e...

Lets create a thing to replace the very simple selector calls for id and classes. First lets have simple selector for both the id and single...

This is a review of the film Oppenheimer (2013), the depiction of Oppenheimer's life and his actual life based on the same depiction. Op...

So while I was traveling through the menus to change the 'Show hidden files' options in a new Windows system I was cursed to used, I...

If you use OpenGl blending functions, you probably are doing something with the alpha buffer (or not). By default the alpha buffer is disabl...

Every single time you have a input text field and submit-like button next to it, at some point, you would like to bind the same action of th...

So as you write a simple a html file with one or two resources, lets say one css and one js file, and you then deploy it (= copy paste) to a...

As a follow up of the "Bash: Easy help print", lets do the same thing. So I will just copy the whole text and replace what needs r...

 So we have the requestAnimationFrame, you pass a function and it called after a very specific while (irrelevant to the following). Now lets...

 Usually when things/files are packaged from simple files to single monstrosity, you no longer have the ability to ls/dir to lookup what thi...

The classic way to have a drop-down list in html is the select tag. However there are two main problems/inconvenient. The select tag will on...

So Aege@n (airline) has been spamming me with emails after a took a single flight with them. One day they actually sent an email with the su...

Need to just plot a file with numbers? Stop using matl@b or exc € l. All we need is a couple lines of Python code: import matplotlib.pyplot ...

Ok, lets create a single line of bash that will handle the -h option and print something. First, what to print? I usually add some comments ...

For all of you that need to sent a simple preset SMS without copy pasting all the time (covid-era). For some reason on the play store most o...

We have a game where you place down buildings. So there is always a method that looks like that: public boolean validPlace(BuildingType t...

It is known that I don't like writing header files and forward declarations. The keyword is writing, I like what you can do with header ...

And here we are: ... } else { // TODO print the --help text } ... On ho... where to start... Lets start by making a simple plain tex...

When I write some small C program I usually put everything in a single main.c file and to compile I just: gcc -O3 main.c -o program_name_...

Lets just use a map. So we have a timer like thing: public class Time implements Serializable { private long duration; private lo...

I was writing a confirm dialog on android, and there was it: android.R.string.yes So lets use it, why not. However my extreme imagin...

So I was making a simple game on the weekend, as we do, and there was a simple (again) player class: public class Player { public fin...

Let's consider for a fact that we have a very pseudo secure environment. Pseudo referring to something that has been purified of everyth...

So, I just wanted a simple thing... I had a static html page where I wanted to put some things in dynamically: a simple date at the start an...

We all have been in a position with an Iterator in our hands and trying to pass it to a for each loop. And then for some reason that is tota...

Time to clean up the old windows machine a bit (Linux user here). So I go looking for the good old control panel, but I find the "S...

This is the most greek a proggrammer can be. Ακολουθεί μία από τις χρήσιμες regex που έχουν γράψει στην ζωή μου. Εντοπίζει λάθος χρήση ...

The is always that tip that floats around that you should always use enums instead of booleans, even when there is only two values. Of co...

So how about this new std::hypot? float dx = x1 - x2; float dy = y1 - y2; return std::hypot(dx, dy); Time: 12139783 ticks How ab...

When new is used, a bad_alloc can be thrown. To return null pointer on error instead of the exception a second format can be used: Site *m...

Copy all files (/H /G) and directories (/E) that are either new or changed (/D /Y) xcopy C:\From C:\To /D /E /I /H /Y /G done_

Open a link with the default browser: Desktop.getDesktop().browse(new URL("http://maanoo.com").toURI()); done_

So lets add many circles together: Thats ok but what if we add some symmetry. Lets add symmetry from one axis: From two axis: ...

So we always start: var canvas = document.getElementById("canvas"); var c = canvas.getContext("2d"); and we have the...

To have a canvas as a html page background we need: HTML: <body onload="load()"> <canvas id="canvas_back"...

We can save and load values, permanently, using Shared Preferences. The shared preferences framework provides an easy way to store values,...

To store values to a browser we can use localStorage and sessionStorage just by: localStorage["name"] = value; and to get the ...

If we want to use JQuery ONLY for selecting elements like: $(".item") Why use a whole library, just: document.querySelectorA...

A simple counter using a text file. The php code: <?php $path = "./counter.txt"; $count = intval(file_get_contents($pat...

In CSS if we define transitions, every time a value changes an animation-transition is created and executed. So if we want to use transiti...

Base64: make anything to a "simple" text and reverse. Where "simple" means that contains only the 'A'–'Z...

Some definitions first: HSL: Hue Saturation Lightness HSV: Hue Saturation Value HSB: Hue Saturation Brightness HSL != HSV HSV = HSB (...

To normalize values like degrees where the main range is [0, 360) but all other values are accepted too the obvious is: value = value % 36...

The easiest way to make the Clipboard contain a string is: public void setClipboard(String text) { Clipboard c = Toolkit.getDefaultTool...