Donderaar

Because they've worked with it?

I had to touch Flex code ones that did a simple search page and some fancy display of results.

uuuuuurg

The whole way in which the bloody stupid thing handles variables alone is horrible.

If he is not paying you will have to force the payment using the courts. He might not be able to, leading to claims on property/income or his bankrupcy. IANAL, I would advice to ask a lawyer.

Doesn't mean you cannot try to get what is yours. No reason for the OP to be nice to the scum.

Not to mention the large presence of military patrols in Paris. And the military police as well ... (for as long as I can remember)

As far as I am aware only the police in the UK are not regularly armed with handguns. Anywhere else I have been they have had handguns. In France/Italy also a noticeable amount of automatic weapons especially around embassy's and large tourist hotspots.

No, off course not. He is an adult. As I said there are generally some options (but this will differ based on local laws). Usually you can get claims on property or income esp. for court-mandated payments (and yes that does mean going to court for it). But, I live somewhere else than the OP, so I obviously do not know the details.

Worst case the scumbag will have to declare bankruptcy, which is also very unpleasant for him. Best case the money will come in over time or some of his shit will be sold to get the money.