In context-free grammars, a production rule that allows a symbol to produce the empty string is known as an ε-production, and the symbol is said to be "nullable". Use in programming languages. In most programming languages, strings are a data type. Strings are typically stored at distinct memory addresses (locations). Thus, the same string ...
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Browse our listings to find jobs in Germany for expats, including jobs for English speakers or those in your native language.
In the US, the minimum federal HSPF rating for all units is 7.7. To earn an ENERGY STAR label, a heat pump achieves at least 8.5 HSPF (for mini-split heat pump systems) and 8.2 HSPF (single-phase heat pumps).In short: 7.7 HSPF is the minimum. 8.5 HSPF is a good HSPF rating (earns an ENERGY STAR label).
Han court officials were initially hostile to the idea of disrupting the status quo and expanding into the Xiongnu steppe territory. The surrendered Xiongnu were integrated into a parallel military and political structure under the Han Emperor, and opened the avenue for the Han dynasty to challenge the Xiongnu cavalry on the steppe.
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