NIXPKGS_CONFIG. devenv now sets a global NIXPKGS_CONFIG environment variable, ensuring that nixpkgs configuration (like allowUnfree, CUDA settings) is consistently applied across all Nix operations within the environment.
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The economic situation has become so dire that Americans are losing hope; fewer than three in 10 U.S. adults say they’re able to get ahead financially, according to the poll. While low-income earners making less than $50,000 annually are starkly the least optimistic about their financial situation, even a majority (60%) of six-figure earners feel they’re falling behind or just maintaining their standard of living.
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（2）利好利空行业及标的梳理：短期油价暴涨下，利好以油价定价产品的替代品领域及受益于运费提升的细分行业，具体包括煤化工（华鲁恒升、宝丰能源）、气头化工、氯碱（中泰化学、新疆天业、君正集团）、钾肥（亚钾国际、盐湖股份、东方铁塔）等；利空偏终端的产品领域，如改性塑料等