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java 一共含有四种线程池： newCachedThreadPool, newFixedThreadPool, newSingleThreadExecutor, newScheduledThreadPool。 newCachedThreadPool：顾名思义是一种可缓存的线程池， 线程池除了维护初 阅读全文
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<select ng-model="inventory.vegetableId+''" ng-options="vegetable.id as vegetable.name for vegetable in vegetables"> <option value=""> 蔬菜 </option></s 阅读全文
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今早配置项目环境，启动tomcat后，访问主页面 后台出现 java.lang.OutOfMemoryError: Java heap space 。 依照正常的思维，调大jvm堆的大小，修改tomcat/bin/catalina.sh 加上 set java_opts=-Xms512m -Xmx4 阅读全文
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Description Our Black Box represents a primitive database. It can save an integer array and has a special i variable. At the initial moment Black Box 阅读全文
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C. Ancient Berland Circustime limit per test2 secondsmemory limit per test64 megabytesinputstandard inputoutputstandard outputNowadays all circuses in 阅读全文
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1013 - Love Calculator PDF (English) Statistics ForumTime Limit: 2 second(s) Memory Limit: 32 MBYes, you are developing a 'Love calculator'. The softw 阅读全文
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1147 - Tug of War PDF (English) Statistics ForumTime Limit: 4 second(s) Memory Limit: 32 MBA tug of war is to be arranged at the local office picnic. 阅读全文
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1193 - Dice (II) PDF (English) Statistics ForumTime Limit: 3 second(s) Memory Limit: 32 MBYou have N dices; each of them has K faces numbered from 1 t 阅读全文
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1110 - An Easy LCS PDF (English) Statistics ForumTime Limit: 2 second(s) Memory Limit: 32 MBLCS means 'Longest Common Subsequence' that means two non- 阅读全文
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1145 - Dice (I) PDF (English) Statistics ForumTime Limit: 2 second(s) Memory Limit: 32 MBYou have N dices; each of them has K faces numbered from 1 to 阅读全文