Then, write down what needs to be done before.
Марта Кос. Фото: Omar Havana / Getty Images
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The US has authorised the departure of non-essential government workers and their families from Israel as the threat of an American strike on Iran looms.
The tests used in standards for evaluating smoke alarms were developed back in the 1980s. However, despite changes in building materials since then, smoke alarms remain reliable, says Chagger: "They still respond to all the main fires we get today."
tee() splits a stream into two branches. It seems straightforward, but the implementation requires buffering: if one branch is read faster than the other, the data must be held somewhere until the slower branch catches up.