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Style file: generic.xaml
Generic.xaml is a particular name, you cannot rename it.
分类:其他好文   时间:2014-06-06 20:47:27    阅读次数:248
Building SQL Test Cases
For many SQL-related problems, obtaining a reproducible test case makes it easier to resolve the problem. Starting with the 11gRelease 2 (11.2), Oracl...
分类:数据库   时间:2014-06-06 20:04:05    阅读次数:317
pdfcrop不能使用
最近,用到了pdfcrop,用来去除pdf中空白的边。但是使用pdfcrop --margins 0 *.pdf 后,给出了错误:Error: pdfcrop cannot call ghostscript 但是我已经安装了CTEX,里面已经包含Ghostscript,所以就不知道什么错误。在网上针...
分类:其他好文   时间:2014-06-06 16:49:28    阅读次数:179
关于编程语言类型系统
动态 变量类型在运行期间确定下来静态 在编译期确定下来强类型 类型不会发生自动变换,弱类型 类型会自动变,比如double+int -> double类型安全 类型对数据访问有严格控制类型不安全 ...Well-typed programs cannot "go wrong" ...
分类:编程语言   时间:2014-06-06 15:36:16    阅读次数:238
loadjava 把java导入Oracle数据库
1)load jar fileloadjava -r -f -verbose -resolve -user xmlbook/xmlbook xmlparserv2.jar2)load class fileloadjava -r -f -user user_name/password[@URL] or...
分类:数据库   时间:2014-06-06 11:03:47    阅读次数:460
JavaScript Patterns 3.7 Primitive Wrappers
One reason to use the wrapper objects is when you want to augment the value and persist state. Because primitives are not objects, they cannot be augm...
分类:移动开发   时间:2014-06-03 16:20:47    阅读次数:345
-bash: ulimit: max user processes: cannot modify limit: Operation not permitted
安装oracle时候在创建oracle用户后,切换oracle用户时,报如下错 [root@localhost~]#su-oracle -bash:ulimit:maxuserprocesses:cannotmodifylimit:Operationnotpermitted 经查看结果是忘记修改/etc/security/limits.conf 关于/etc/security/limits.conf解释及应用,看我转载..
分类:其他好文   时间:2014-06-02 04:11:33    阅读次数:264
ORA-01081: "cannot start already-running ORACLE - shut it down first"
Appliesto: OracleServer-EnterpriseEdition-Version:8.1.7.4to11.2.0.2.0-Release:8.1.7to11.2 GenericUNIX 当检查oracle实例后台进程不存在这时启动启动数据库报错: ORA-01081:"cannotstartalready-runningORACLE-shutitdownfirst" 造成此种原因是 Orphanedsharedmemor..
分类:数据库   时间:2014-06-02 04:04:29    阅读次数:844
-bash: warning: setlocale: LC_CTYPE: cannot change locale (EN_US.UTF-8)
-bash:warning:setlocale:LC_CTYPE:cannotchangelocale(EN_US.UTF-8) 把linux系统从中文设置英文字符集后发生以下报错 首先本系统字符集为中文UTF-8 [root@localhost~]#more/etc/sysconfig/i18n LANG="zh_CN.UTF-8" 修改为英文UTF-8 [root@localhost~]#vim/etc/sysconfig/i..
分类:其他好文   时间:2014-06-02 03:24:48    阅读次数:331
在Eclipse中编写servlet时出现"The import javax.servlet cannot be resolved" 问题解决办法
方法1:在Eclipse中,右击项目,选择Java Build Path->Libraries->Add External JARs,找到你计算机中tomcat的安装路径,在common\lib文件夹下选中"servlet-api.jar",添加点击“确定”,ok!方法2:把servlet-api....
分类:编程语言   时间:2014-06-02 01:44:50    阅读次数:349
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