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如何查看Oracle用户的SQL执行历史记录? - 数据库(内核) - 清泛网 - 专注C/...

...相关的语句 必须具有DBA 的权限 虽然这条语句很普通 但需要的时候很管用 能够及时查出一个人执行sql语句情况 -------oracle 查看已经执行过的sql 这些存在共享池中的 ---------> select * from v$sqlarea t order by t.LAST_ACTIVE_TIME desc ...
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从源代码剖析Mahout推荐引擎 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术

... 图片摘自Mahout in Action 从上图中我们可以看到,算法被模块化的,通过1,2,3,4的过程进行方法调用。 程序代码: public class UserCF { final static int NEIGHBORHOOD_NUM = 2; final static int RECOMMENDER_NUM = 3; public static void main...
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App Inventor 2 LLMAI2Ext 自研拓展:接入DeepSeek、Kimi、通义千问...等国...

...拓展的初衷 App Inventor 2 原生的ChatGPT组件由于国外的,使用起来不太便捷,且各种限制。 如今我们又身处AI浪潮之中,包括很多学校在内的国内用户都有AI结合传统的App来开发具有智能App的需求,因此,必须开发拓...
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实战低成本服务器搭建千万级数据采集系统 - 更多技术 - 清泛网 - 专注C/C++...

...下我们能否实现这个系统目标?当然如果有更好的硬件不这个文章阐述的内容。现通过采集、存储来说明一下如何实现: 一、采集,目标在一个小时内把30万关键词对应的数据从四大微博采集下来,能够使用的机器配置就...
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Get difference between 2 dates in JavaScript? [duplicate]

...12 Flimm 86.3k2828 gold badges186186 silver badges191191 bronze badges answered Jul 11 '10 at 22:24 TNiTNi ...
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How does RegexOptions.Compiled work?

...----------------------------------------------------------- Interpreted | x86 | 4 ms | 26 ms | 31 ms Interpreted | x64 | 5 ms | 29 ms | 35 ms Compiled | x86 | 913 ms | 3775 ms | 4487 ms Compiled | x64 |...
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After Installing Java JDK 7 For Mac OS X - mvn -version still shows java version 1.6.0_31

... this: <dict> <key>JVMArch</key> <string>x86_64</string> <key>JVMBundleID</key> <string>com.oracle.java.7u04.jdk</string> <key>JVMEnabled</key> <true/> <key>JVMHomePath</key> <stri...
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Realistic usage of the C99 'restrict' keyword?

...2 ← *b add R2 += R1 set R2 → *b Does GCC really do it? GCC 4.8 Linux x86-64: gcc -g -std=c99 -O0 -c main.c objdump -S main.o With -O0, they are the same. With -O3: void f(int *a, int *b, int *x) { *a += *x; 0: 8b 02 mov (%rdx),%eax 2: 01 07 ...
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How can I expand and collapse a using javascript?

... answered Jul 4 '13 at 0:25 raam86raam86 6,00511 gold badge2323 silver badges4444 bronze badges ...
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AngularJS - how to get an ngRepeat filtered result reference

... Aug 9 '13 at 14:56 kevinjamesus86kevinjamesus86 30133 silver badges44 bronze badges ...