jonathas

-- To list all the builtin exceptions:
SELECT *
FROM all_source
WHERE name = 'STANDARD'
AND upper(text) like '%EXCEPTION%';
/


-- To list all the builtin exception codes:
DECLARE

jonathas

# Add the remote, call it "upstream":

git remote add upstream https://github.com/whoever/whatever.git

# Fetch all the branches of that remote into remote-tracking branches,
# such as upstream/master:

git fetch upstream

# Make sure that you're on your master branch:

jonathas

ffmpeg -i movie.mp4 -ss 00:00:03 -t 00:00:08 -async 1 cut.mp4

jonathas

// List configured routes (for debugging purposes)
app._router.stack.forEach((r) => {
    if (r.route && r.route.path) {
        console.log(r.route.path);
    }
});

jonathas

# Generating
pacman -Qe | awk '{print $1}' > package_list.txt

# Installing
for x in $(cat package_list.txt); do pacman -S $x; done

# This will also work, but Pacman will exit if you have a package
# installed that is not in the repositories.
pacman -S `cat package_list.txt`

jonathas

convert page.png page.pdf

convert page*.png mydoc.pdf

# To avoid generating huge PDF files, use something like
convert -compress jpeg -quality 85 *.png out.pdf

jonathas

#!/bin/bash
#
# Createss a swap file and activates it
# Jon Ribeiro <contact@jonathas.com> - 20170503
#

SWAPFILE="/var/local/swapfile"
SWAPFILE_SIZE=2048576 #2GB

dd if=/dev/zero of=$SWAPFILE bs=1024 count=$SWAPFILE_SIZE

jonathas

#!/bin/bash

sudo modprobe vboxdrv
sudo modprobe vboxnetflt

jonathas

-----BEGIN PGP PUBLIC KEY BLOCK-----
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jonathas

// sending to sender-client only
socket.emit('message', "this is a test");

// sending to all clients, include sender
io.emit('message', "this is a test");

// sending to all clients except sender
socket.broadcast.emit('message', "this is a test");

// sending to all clients in 'game' room(channel) except sender