Whenever a resource conflict would be caused by fulfilling the request. Duplicate entries and deleting root objects when cascade-delete is not supported are a couple of examples. Slein, J. Reliable, interoperable negotiation of Upgrade features requires an unambiguous failure signal. The Upgrade Required status code allows a server to definitively state the precise protocol extensions a given resource must be served with. Its typical use is to avoid the "lost update" problem, where a client GETs a resource's state, modifies it, and PUTs it back to the server, when meanwhile a third party has modified the state on the server, leading to a conflict. By requiring requests to be conditional, the server can assure that clients are working with the correct copies.
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We very well could be inside a cliche Americana film scene as envisioned by cosmopolitan advertising agency people from New York. But the dive bar is not a movie set— years of dust from the cotton harvest of the farms nearby have caked into the wood siding outside, and those layers are too real of a detail for an art department to capture. We have come to photograph this real thing. The next day begins a year long photo project for an agriscience company, Corteva. We meet the rest of the team in our hotel lobby, unaware of the ultimate bond we will all grow into through the work and travel ahead.
You've seen that little black and yellow trampoline game all over but still have no clue why groups of people are spiking a ball down into it. Finally, you'll get some answers. Spikeball is a new sport that's sweeping the nation. It's commonly referred to as the love child between volleyball and four-square. It is played 2 vs 2, with a taut hula hoop sized Spikeball net placed between the teams. A player starts a point by serving the ball down on the net so it ricochets up at his opponents. They have up to three hits between them just like Volleyball to control the ball and bounce it back off the net.
Are your safety meetings a drag for your workers? Are they shifting in their seats as they sit through yet another presentation on slip and fall hazards? Safety meetings are a key part of a safety awareness program and are one of the best methods to motivate workers to take safety out of the classroom and into the field. Here are some tips to keep your workers engaged while also making them more aware of safety in the workplace. Selecting a topic for a safety meeting is not always easy. Sometimes you may be wondering what to feature, especially when you have covered some topics many times. If you are fresh out of ideas, consider your topic by:. The best time to schedule a safety meeting is the start of the work shift. Before you start a safety meeting on time , have the participants sign in.