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Oracle 11.2.0.4 RAC FOR redhat 6.4 - 数据库(内核) - 清泛网 - 专注C/C++及内核技术
...完毕。
配置系统
配置 网卡 BOND
1、编辑 /etc/hosts 文件
节点1 节点 2 温备节点全部一样
127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4
::1 localhost localhost.localdomain localhost6 localhost6.localdomain6...
Are the PUT, DELETE, HEAD, etc methods available in most web browsers?
I've seen a couple questions around here like How to debug RESTful services , which mentions:
7 Answers
...
What are the lesser known but useful data structures?
..., sorted linked lists, with efficiency comparable to a binary search tree (order log n average time for most operations).
They can be used as an alternative to balanced trees (using probalistic balancing rather than strict enforcement of balancing). They are easy to implement and faster than say,...
Java Enum Methods - return opposite direction enum
...l as flexible as first approach since adding more fields or changing their order will break our code.
public enum Direction {
NORTH, EAST, SOUTH, WEST;
// cached values to avoid recreating such array each time method is called
private static final Direction[] VALUES = values();
pu...
How to write multiple line string using Bash with variables?
...ng.
Correct would be:
#!/bin/bash
kernel="2.6.39"
distro="xyz"
cat >/etc/myconfig.conf <<EOL
line 1, ${kernel}
line 2,
line 3, ${distro}
line 4 line
...
EOL
cat /etc/myconfig.conf
This construction is referred to as a Here Document and can be found in the Bash man pages under man --...
What does the 'b' character do in front of a string literal?
...ing.
But also used to represent binary data like struct.pack output.
In order to ease the 2.x-to-3.x transition, the b'...' literal syntax was backported to Python 2.6, in order to allow distinguishing binary strings (which should be bytes in 3.x) from text strings (which should be str in 3.x). ...
Is there a Java API that can create rich Word documents? [closed]
...o lets you build MS-Office-compatible charts, spreadsheets, presentations, etc. We were able to dynamically build sophisticated Word documents, including charts and tables.
We simplified the process by using template MS-Word documents with bookmark inserts into which the software inserted conten...
Swift and mutating struct
...hat the fields of any particular instance may be mutable or immutable.
In order for a structure method to mutate the fields of the underlying struct, those fields have to be mutable. If a method that mutates fields of the underlying struct is invoked upon an immutable structure, it would try to mu...
How to set the JDK Netbeans runs on?
... (replace 7.x with your Netbeans version) :
C:\Program Files\NetBeans 7.x\etc\netbeans.conf
Change the following line to point it where your java installation is :
netbeans_jdkhome="C:\Program Files\Java\jdk1.7xxxxx"
You may need Administrator privileges to edit netbeans.conf
...
Why are elementwise additions much faster in separate loops than in a combined loop?
...auses false aliasing stalls in the processor load/store units.
However, in order for false aliasing to occur, there must be a large enough stride between the datasets. This is why you don't see this in region 3.
Region 5:
At this point, nothing fits in the cache. So you're bound by memory bandwidth....