# How to center a p element in the screen without a body or html element and create a black background

What I want to do is to use <p onclick=’this.innerHTML++’>0</p> and make this code have a black background that covers the whole screen and center the text in it. I want it to not have a body element or an html element as I just want the <p> element. I tried using box-shadows and the… Read More How to center a p element in the screen without a body or html element and create a black background

# How to Center a Row of 3 Icons in the Middle of a Popup Modal?

I am having trouble centering a row of 3 social media icons in the middle of my popup modal and have it actually be responsive. My failed method is adjusting the icons’ "left" property by individual percentages.. Every time I think I have it centered, I test it out on a different screen size and… Read More How to Center a Row of 3 Icons in the Middle of a Popup Modal?

# LateX Beamer : Putting a tikzpicture next to a picture

I’d like to put tikzpicture next to a picture on a beamer but right now the tikzpicture is way below the slide ! Here is my code : \begin{frame}{Frame name} \begin{columns}[t] \column{.5\textwidth} \centering \begin{tikzpicture}{Tikzpicture name} %my tikzpicture here \end{tikzpicture} \column{.5\textwidth} \centering \includegraphics[width=100px, height=200 px]{PICTURE.jpg} \end{columns} \end{frame} >Solution : You can use T as alignment option… Read More LateX Beamer : Putting a tikzpicture next to a picture

# How can I place a figure on top of the page?

I am currently working on this code (this is a shortened version): \documentclass{scrartcl} \usepackage[utf8]{inputenc} \usepackage{tikz} \usetikzlibrary{calc} \begin{document} % Syntax: % \DoublLine[half of the double line distance]{first node}{second node}{options line 1}{options line 2} \newcommand\DoubleLine[5][4pt]{% \path(#2)–(#3)coordinate[at start](h1)coordinate[at end](h2); \draw[#4]($(h1)!#1!90:(h2)$)–($(h2)!#1!-90:(h1)$); % node [midway, above=1pt, fill=none] {3}; \draw[#5]($(h1)!#1!-90:(h2)$)–($(h2)!#1!90:(h1)$); % node [midway, below=1pt, fill=none] {3}; } \begin{figure}[h] \begin{tikzpicture}[myn/.style={very thick,draw,inner sep=0.25cm,outer… Read More How can I place a figure on top of the page?

# Deviations from group mean by id

I have some data where time is nested within individuals: set.seed(124) x = rnorm(25) data.frame(id=rep(1:5, each=5), time=1:5, x=x) What would be a base R solution to append a column that calculates deviations of each observation from the same person’s average across time (i.e., centering around the person’s mean)? The output should look like this (x.c… Read More Deviations from group mean by id