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廉价共享存储解决方案2-drbd+cman+gfs2 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...ocalhost6 localhost6.localdomain6
172.16.20.45 gfs_1
172.16.20.46 gfs_2
10.10.10.45 gfs_1
10.10.10.46 gfs_2
2、配置双机互信
[root@gfs_1 ~]# ssh-keygen -t rsa -P ''
Generating public/private rsa key pair.
Enter file in which to save the key (/root/.ssh/id_rsa):
Your identificatio...
What's the UIScrollView contentInset property for?
...nsider the following example (scroller is a UIScrollView):
float offset = 1000;
[super viewDidLoad];
for (int i=0;i<500; i++) {
UILabel *label = [[[UILabel alloc] initWithFrame:CGRectMake(i * 100, 50, 95, 100)] autorelease];
[label setText:[NSString stringWithFormat:@"label %d",i]];
...
Python integer division yields float
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10
@JonathanSternberg except for all the code that was written for python 2.0. I feel like the role of / and // should be reversed to keep ba...
How to serialize SqlAlchemy result to JSON?
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answered May 19 '12 at 10:05
Sasha BSasha B
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StringBuilder vs String concatenation in toString() in Java
... over and over.
– Olga
Sep 3 '13 at 10:15
131
Dammit I used those 2 function to test a big string...
Understanding the main method of python [duplicate]
... |
edited Dec 6 '17 at 10:41
Mad Physicist
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How do I get the path to the current script with Node.js?
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answered Jun 28 '10 at 14:39
Kyle SlatteryKyle Slattery
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Django “xxxxxx Object” display customization in admin action sidebar
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Dmitry ShevchenkoDmitry Shevchenko
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Evaluating a mathematical expression in a string
...)
print(result)
# 16.0
result = nsp.eval('exp(2^4)')
print(result)
# 8886110.520507872
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How to get the input from the Tkinter Text Widget?
...("1.0","end-1c")
print(inputValue)
textBox=Text(root, height=2, width=10)
textBox.pack()
buttonCommit=Button(root, height=1, width=10, text="Commit",
command=lambda: retrieve_input())
#command=lambda: retrieve_input() >>> just means do this when i press the button
...