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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/...
...然这条语句很普通 但是需要的时候很管用 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 这些是存在共享池中的 --------->
select * from v$sqlarea t order by t.LAST_ACTIVE_TIME desc
-----------查看oracle会话----------------...
Get Image size WITHOUT loading image into memory
...om PIL. I cannot however find an official doc link on the web. If someone posts it as a comment I'll update the answer. The quote can be found in the file Docs/PIL.Image.html.
– Hooked
Sep 26 '13 at 17:51
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Python Process Pool non-daemonic?
Would it be possible to create a python Pool that is non-daemonic? I want a pool to be able to call a function that has another pool inside.
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What is Eclipse's Ctrl+O (Show Outline) shortcut equivalent in IntelliJ IDEA?
... See for more shortcuts. At StackOverflow : What are the most useful Intellij IDEA keyboard shortcuts? AT stackoverflow.com/questions/294167/…
– Rites
Dec 22 '09 at 9:40
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VC DDE（Dynamic Data Exchange）与EXCEL连接 - C/C++ - 清泛网 - 专注C/C++及内核技术
...研究了下，做了个案例，VC6.0下调试通过，很开心。作为一个产品经理，为产品设计搭建好平台，有人的平台，有技术平台，一切目标为了高效的做好产品。
该C++控制台程序案例如下：
// smdata.cpp : Defines the entry point for the cons...
How to draw a line in android
...
This one draws 2 lines which form a cross on the top left of the screen:
DrawView.java
import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.view.View;
public class DrawVie...
Purpose of #!/usr/bin/python3
...t the shebang line.
You can use #!/usr/bin/env python3 for portability across different systems in case they have the language interpreter installed in different locations.
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Get the current git hash in a Python script
... git repo present. For example, in production. :)
– JosefAssad
Feb 20 '13 at 21:18
5
@JosefAssad:...
What is a mutex?
...ople hoilding the mu.. chicken are competing threads. The Moderator is the OS. When people requests the chicken, they do a lock request. When you call mutex.lock(), your thread stalls in lock() and makes a lock request to the OS. When the OS detects that the mutex was released from a thread, it mere...
What is the difference between user and kernel modes in operating systems?
...mory address. Kernel
mode is generally reserved for the
lowest-level, most trusted functions
of the operating system. Crashes in
kernel mode are catastrophic; they
will halt the entire PC.
User Mode
In User mode, the executing code has no ability to directly access
hardware or ref...