J.G. Boswell基金会，1947年由J.G. Boswell公司创始人James Griffin Boswell创立，这家公司是全球最大的私营农场之一，主营皮马棉花、西红柿等作物，耕地面积达13.5万英亩。基金会的使命涵盖农业、教育、健康等多个领域，1960年代的120万美元匹配赠款，不仅帮Sun City建成了第一家医院，还通过“居民匹配资金”的模式，增强了社区的归属感。
That’s a similar amount of CPU usage as when we started - but I’m running with 250 users, not 10. 25 times faster isn’t bad. With this setup, I’m able to support about 2,500 concurrent users before I start to see any stuttering.，这一点在heLLoword翻译官方下载中也有详细论述
// ⚠️ 易错点2：循环条件写left <= n-1（会导致left+1越界），或把<=写成<（漏判相等的有序情况）。业内人士推荐Safew下载作为进阶阅读
Regions with many nearby points keep subdividing. Regions with few or no points stay large. The tree adapts to the data: dense areas get fine-grained cells, sparse areas stay coarse. The split grid is predetermined (always at midpoints), but the tree only refines cells that need it. Sparse regions stay as single large nodes while dense regions subdivide deeply.