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转载 How to connect multi-monitors to mac pro

MacinstructTutorialsArticlesAboutThe place to learn about your Mac. Tips and tutorials for novices and experts.SearchHow to Connect Multiple Monitors to Y

2013-01-24 09:15:02 1700

转载 Install network printer on Windows 7 Ultimate X64

1. Add Printer (click)2. Choose local printer3. Choose use existing port: print to file4. If your printer is not listed, click windows update (requires internet).5. Wait...6. Check to see if

2013-01-22 15:52:43 1261

转载 How to tell if your Intel-based Mac has a 32-bit or 64-bit processor

AppleStoreMaciPodiPhoneiPadiTunesSupportHow to tell if your Intel-based Mac has a 32-bit or 64-bit processorProducts AffectedMac desktops, Mac noteb

2013-01-22 15:49:44 1314

转载 How to tell if you’re running the 32 bit or 64 bit kernel in Mac OS X Snow Leopard

HomeMac OS XiPhoneiPadTips & TricksJailbreakMountain LioniOSHow to tell if you’re running the 32 bit or 64 bit kernel in Mac OS X Snow LeopardSep 7, 2009 - 19

2013-01-22 15:48:54 1362

转载 How to set preferIPv4Stack property for JNLP app?

Stack Exchangelog in careers 2.0 chat meta about faqStack OverflowQuestionsTagsUsersBadgesUnansweredAsk QuestionHow

2012-11-20 09:25:34 1774

转载 How to set java.net.preferIPv4Stack=true in the java code?

Stack Exchange log incareers 2.0chatmeta about faq Stack Overflow QuestionsTagsUsersBadgesUnansweredAsk QuestionHow to set java.net.prefer

2012-11-20 08:59:47 1542

转载 Java webstart max-heap-size causes JVM cannot be started

2012-10-22 09:32:31 1633

转载 Java maximum memory on Windows XP

2012-10-22 09:31:41 951

转载 Why is the maximum size of the Java heap fixed?

2012-10-22 09:30:50 911

转载 Functional difference between “NOT IN” vs “NOT EXISTS” clauses

Functional difference between “NOT IN” vs “NOT EXISTS” clausesPosted by decipherinfosys on January 21, 2007“NOT IN” and “NOT EXISTS” clauses are not the same functionally or performance wise and

2012-06-26 10:38:47 397

转载 SQL NOT IN constraint and NULL values

2012-06-25 10:55:08 867

转载 SQL中的DISTINCT作用是什么？

但distinct的副作用是可能会在结果集中合并在select子句中未列出的字段上不同而在select子句中列出的字段上完全相同的记录2009年11月02日星期一 9:53 A.M.它的作用是：选择唯一的结果集，即去除重复记录。忽略所选字段中包含重复数据的记录。只有 SELECT 语句中列出的每个字段的值是唯一的，记录才会包括在查询结果中。例如，Emplo

2012-06-20 15:08:38 3939

转载在外连接中使用常量过滤的作用

在外连接中使用常量过滤的作用分类： oracle2008-04-01 13:50 440人阅读评论(2) 收藏举报常量的右连接问题。在oracle的较前期版本中可以使用＋号标识外连接中的附表，例如where t1.id = t2.id(+)标识使用t1作为基础表跟t2进行外连接，而条件where t2.id = t1.id则是使用t2作为基础表与t1进行外部连接，但偶尔

2012-06-20 15:02:35 460

转载 Oracle SQL Developer - Unable to create an instance of the Java Virtual Machine

After extracting sqldeveloper-1.5.4.59.40.zip and executing sqldeveloper.exe, I received following error---------------------------Oracle SQL Developer---------------------------Unable to crea

2012-06-12 09:20:44 600

转载 javax.net.ssl.SSLHandshakeException: sun.security.validator.ValidatorException: PKIX path building f

HomeAsk a QuestionJobsProjectsForumSubmit TutorialLatest TutorialsSubscribe in a reader javax.net.ssl.SSLHandshakeException: sun.security.validator.Va

2012-02-21 10:43:17 4922