Finding these optimization opportunities can itself be a significant undertaking. It requires end-to-end understanding of the spec to identify which behaviors are observable and which can safely be elided. Even then, whether a given optimization is actually spec-compliant is often unclear. Implementers must make judgment calls about which semantics they can relax without breaking compatibility. This puts enormous pressure on runtime teams to become spec experts just to achieve acceptable performance.
В Финляндии предупредили об опасном шаге ЕС против России09:28
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Ранее сообщалось, что в Замбии 52-летний рыболов, спасаясь от разъяренных слонов, прыгнул в реку, которая кишела крокодилами. В воде на него сразу же напал хищник.
But Baroness Kidron said many of the proposals had already been put forward in the House of Lords and could be accepted by the government as soon as next week.