Lazy Load
via Lazy Load Plugin for jQuery.
Lazy Load is a jQuery plugin written in JavaScript. It delays loading of images in long web pages. Images outside of viewport (visible part of web page) wont be loaded before user scrolls to them. This is opposite of image preloading.
Want to Teach Kids to Code? Send ‘Em to a ‘Hack Jam’
100 Kids and their adults gathered last weekend in Los Angeles to learn how to program, how to think, and how to start making things. This is what happened and why.
The other day I had enough calculating the time so I just wrote this script:
cat > ~/bin/timediff
#!/bin/sh
if [ -z $2 ]; then
echo "usage: $0
echo
echo "ex. $0 11:49 12:51"
exit 1
fi
end=`date +%s -d"$2"`
start=`date +%s -d"$1"`
diff=$(($end-$start))
diff=$(($diff/60))
hours=$(($diff/60))
min=$(($diff%60))
# Prepend a 0 if minute <10
if [ ${#min} -eq 1 ]; then
min=0$min
fi
echo "$hours:$min"
Of course, it works in some cases only. This one is fine:
$ sh ~/bin/timediff 11:49 12:51
1:02
Whereas this one will not work:
$ sh ~/bin/timediff 11:49 1:51
-9:-58
But the output is quite obvious.
I hear it all the time, I have issue with it, so this time i know how it does work a bit more.
thanks to the following : ACPI explained
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