Layout engine with flexbox-like sizing, padding, gaps, alignment, scrolling, and floating elements
now split the page onto the free list:
，更多细节参见PDF资料
Right panel: Bug types ranked by average lifetime. Race conditions (5.0 years) are dramatically harder to find than deadlocks (2.4 years).
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.