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/*

The HTML structure should be something like this:

<div class="box">
    <div class="box__content">
        // Images or whatever inside
    </div>
</div>

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$some-variable = 10px

body
    width: "calc(100% - %s)" % $some-variable

// To use multiple variables wrap the values into round brackets.

$some-variable = 10px
$another-variable = 5px

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var attempts;
function doAjaxRequest() {
    attempts = 0;
    doAjaxRequestLoop();
}

function doAjaxRequestLoop() {
    attempts += 1;
    if (attempts > 10) {
        alert('too many attempts.');

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ssh-keygen -R "you server hostname or ip"

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Flexbox issues with IE

Inline elements inside flex container don't wrap

display: block;
width: 100%;

Children of flex-column don't adjust height properly

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// Credits https://medium.com/@danilosapad/how-to-recursively-remove-ds-store-files-on-mac-os-x-6c8570c68ad0

* Open Terminal.
* Go to desired folder.
* Type `find . -name *.DS_Store -type f -delete`.

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date="$(echo "20180228T125033" | cut --output-delimiter=$'-' -c1-4,5-6,7-8)"
time="$(echo "20180228T125033" | cut --output-delimiter=$'-' -c10-11,12-13,14-15)"
date --utc --date "$date $time" +%s

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xmlstarlet ed -L -d "/path/to/tag[contains(text(),'some text')]" "path/to/file"

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• Open the Terminal and enter open ~/.bash_profile
• At the end of the file, paste the code below:

# Git branch in prompt.
parse_git_branch() {
    git branch 2> /dev/null | sed -e '/^[^*]/d' -e 's/* \(.*\)/ (\1)/'
}
export PS1="\u@\h \W\[\033[32m\]\$(parse_git_branch)\[\033[00m\] $ "

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You must have brew installed

• Open the Terminal and enter brew install bash-completion.
• Now enter open ~/.bash_profile.
• At the end of the file paste the code below:

# Bash completion
[ -f /usr/local/etc/bash_completion ] && . /usr/local/etc/bash_completion