编辑:为了澄清,我正在搜索的对象数组确实是由被搜索的变量以字母数字顺序预置的。基本上,二进制搜索应该通过getAccountNumber()的返回值来搜索名为credArray的对象数组中的每个对象。二进制搜索总是返回-1。//This function uses binary search to search
我正在尝试升级一个rails应用程序,它需要rails-2.3.5,而这又似乎需要arack-1.0.1。很多(很多!)以下每一项尝试都没有奏效:ERROR: could not find gem rails locally or in a repository# gem install rails -v=2.3.5 --source http://gems.rubyforge.org http://gems.rubyforge.
back Hibernate transaction; nested exception is org.hibernate.TransactionException: Transaction not successfullyorg.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197)
Caused by: org.hibernate.TransactionException: Transaction not successfully