Through the management of the connection pool, the sharing of database connections is realized, and the connection does not need to be recreated every time, thus saving the overhead of database recreation and improving the performance of the system! This chapter explains 7 structural patterns, due to space problems, the remaining 11 behavioral patterns,
The dried leaves grow like this
The content of the website is stored on the source server, and the CDN is the cache of the content. Users are only allowed to access the CDN. If the content is not on the CDN, the CDN sends a request to the source server. In this way, as long as the CDN is large enough, it can resist great attacks. However, this method has a premise that most of the content of the website must be statically cached. For websites (such as forums) with dynamic content as the main content, we must think of other ways to minimize users' requests for dynamic data.
1945年，日本妄图扭转侵华战场上的败局，用细菌武器做最后抵抗，中共地下党员李觅云和义勇军旅长刘大鹏共同制止了日军利用细菌武器进行最后顽抗的阴谋。815日本投降之后，日生化部队最高长官鬼冢潜入地下，寻找曾被他植入致命病毒的三名携带者，想再从她们体内提取样本，研制升级版的病毒对我军进行反攻。同时，盟军准备以战争罪起诉天皇，生化部队秘密研究细菌武器的证据将对天皇极其不利，日方秘密派人进入东北妄图销毁所有证据。李觅云和刘大鹏坚持不懈对鬼冢进行追捕，最终粉碎日本军国主义企图靠病毒武器东山再起的阴谋。
杨长帆这便转头道：姨娘点完了，把剩下的交给我娘保管即可，我那海边小舍不安全，还是要存家里。
万元伏在地上，听了这话浑身一震。
……沥海杨府。
Chapter 29
Consider generic functions and classes
太精彩了。
View the new image for the v5 version:
玉米不好意思地说，他把她当娘了，睡梦中觉得是抱着娘的。
In case of fog, rain, snow, dust and hail, when visibility is within 50 meters, the top speed is 30 kilometers per hour.
老丁大笑起来，后来债主上门，我娘带着我逃到了所里嫁给军户。
汽车世界中，一年一度的活塞杯再次拉开序幕。红色跑车“闪电”麦坤和“冠军”、“路霸”是冠军最有力的竞争者。作为新人，麦坤具有极高的天赋，同时也是一个目空一切的家伙。经过紧张激烈的对抗，这三辆车同时冲过终点线。由于无法判定最终优胜者，组委会决定一个月后在加州洛杉矶召开一次只有这三辆车参加的殊死战，只有最后的胜者才能捧得活塞杯。
As a pregnant woman, she carefully fabricated this scam, which is really easy for pregnant women to fall for.
香儿笑道：说的我都饿了。
3×08《Masks》：朋友和敌人齐聚维多利亚时代的伦敦，静候「见证者」的到来。Cole和Railly穿越时间展开追踪行动。
