Warning with an oven is a melacha. Because he uses an oven to warm it. Even if this is not bishul, may be he uses fire or electric devices. It's prohibited. Maybe permitted for a child because a child is often seen as an ill person who is not in life threatening situation, and it's permitted to ask a non Jew to make for him a work on Shabbat. But for an ...
Reminder:Like any library, Mi Yodeya offers tons of great information, but does not offer personalized, professional advice, and does not take the place of seeking such advice from your rabbi.
The Shulchan Aruch in O"C 288:2-3 says:
י"א שאדם שמזיק לו האכילה דאז עונג הוא לו שלא לאכול לא יאכל: הגה וכן מי שיש לו עונג אם יבכה כדי שילך הצער מלבו מותר ...
I found in Sefer Devarcha Yair 2:34 who discusses this issue in depth bringing all sources. If you want to see all the back and forth see the teshuvah inside.
His conclusion :
It is not proper for a Talmid Chacham or Ben Torah to eat in public even if its an area with a small amount of people. So too they shouldn't drink even water in public.
For a regular ...
Rashi explains that the reason why one who eats outside is invalid to give testimony is because he does not care about basic dignity. This is clearly not relevant to those who eat in a place where it is quite normal to eat.
I don't know if it's allowed on this site but I think the OP needs an answer from an outsider.
If this is inappropriate here, please feel free to delete it.
If any of it is factually incorrect, please correct it.
If any of it is inadvertently offensive, please let me know.
(In particular, Turk Hill's comment inspired this; I'm definitely not ridiculing it.)
All dairy products are forbidden with meat products. The law is that three aspects are forbidden.
Meat and milk products (including butter and cheese) may not be cooked together
Meat and milk products may not be eaten together
Mixed milk products and meat may not have any benefit (such as selling to a non-Jew)
I have shown two articles that discuss this ...
Eliyahu Shitrit is no longer in Thessaloniki but in Volos. There is NO Shomer Shabbat community anywhere in Greece. The only reliable Kosher restaurant located in Athens, Greece is operated by Rabbi Mendel Hendel, Chabad Shaliach. The chicken/meat products he uses in his restaurant are imported from France. He also sells them to the public. All the ...
I used to hear about tearing for food on Shabbos too many years ago.
I once heard Rav Yisra=oel Reisman in his Navi shiur say that people are mistaken when they say that "you can tear on shabbos for food". He said that on Yom Tov we have ochel nefesh but on Shabbos he has no idea when such an erroneous popular idea came from.