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廉价共享存储解决方案1-drbd+ha+nfs - 更多技术 - 清泛网 - 专注C/C++及内核技术
...t2,tomcat3同步tomcat1的目录，当tomcat1挂了之后，负载均衡会把访问分配到tomcat2和3，这个时候tomcat2和3彼此独立。客户分别对这两台机器进行读写于是数据又不同步了。
1.2 分布式文件系统
对网上很多分布式文件系统进行了简单...
what's the correct way to send a file from REST web service to client?
...
Take a look at ZipOutputStream along with returning a StreamingOutput from getFile(). This way you get a well-known multi-file format that most clients should easily be able to read. Use compression only if it makes sense for your data, i.e...
Timeout for python requests.get entire response
...Timeout(10):
requests.get("http://ipv4.download.thinkbroadband.com/1GB.zip", verify=False)
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How can I represent an 'Enum' in Python?
...ith something like this:
def enum(*sequential, **named):
enums = dict(zip(sequential, range(len(sequential))), **named)
return type('Enum', (), enums)
and used like so:
>>> Numbers = enum('ZERO', 'ONE', 'TWO')
>>> Numbers.ZERO
0
>>> Numbers.ONE
1
Support for ...
How to specify Composer install path?
... "dist": {
"url": "https://github.com/symfony/symfony1/zipball/1.4",
"type": "zip"
}
}
},
"sfResquePlugin" : {
"type": "package",
"package": {
"name": "devpips/sfResquePlugin",...
Get key by value in dictionary
...returns two lists with keys and values of the dictionary respectively. The zip function has the ability to tie together lists to produce a dictionary.
p = dict(zip(i.values(),i.keys()))
Warning : This will work only if the values are hashable and unique.
...
Is it possible to use Java 8 for Android development?
...http://dl.google.com/android/adt/22.6.2/adt-bundle-windows-x86_64-20140321.zip
Download ADT and unzip its contents into a folder, e.g. D:\adt
Define a new environment variable called ANDROID_HOME with the value of the path of your ADT installation folder, e.g. D:\adt\sdk
Add your Andoid SDK Platfo...
Convert JS Object to form data
...tate":"US-AS",
"region":{
"isocode":"US-AS"
},
"zip":"76767-6776"
}
}
Into something like this:
{
"orderPrice":"11",
"cardNumber":"************1234",
"id":"8796191359018",
"accountHolderName":"Raj Pawan",
"expiryMonth":"02",
"expiryYear":"2019",
...
An efficient way to transpose a file in Bash
...hon solution:
python -c "import sys; print('\n'.join(' '.join(c) for c in zip(*(l.split() for l in sys.stdin.readlines() if l.strip()))))" < input > output
The above is based on the following:
import sys
for c in zip(*(l.split() for l in sys.stdin.readlines() if l.strip())):
print(' '...
Are Javascript arrays sparse?
...
undefined
So perhaps using a dense array to get a feel for the original AIX kernel bug might need to be forced with a range-alike:
> denseArray = [...Array(2**24).keys()]
[
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11,
12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23,
24, 25, 26, 27, 28...