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What does send() do in Ruby?
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send sends a message to an object instance and its ancestors in class hierarchy until some met...
How do I get the day of the week with Foundation?
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edited Nov 24 '10 at 16:54
answered Nov 24 '10 at 16:40
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powershell 2.0 try catch how to access the exception
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answered Feb 2 '10 at 8:47
stejstej
25.7k1111 gold badges6262 silver badges9696 bronze badges
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How to normalize an array in NumPy?
...umpy as np
from sklearn.preprocessing import normalize
x = np.random.rand(1000)*10
norm1 = x / np.linalg.norm(x)
norm2 = normalize(x[:,np.newaxis], axis=0).ravel()
print np.all(norm1 == norm2)
# True
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How to dump a dict to a json file?
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answered Sep 26 '14 at 10:22
moobimoobi
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std::unique_lock or std::lock_guard?
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answered Dec 11 '13 at 10:39
Stephan DollbergStephan Dollberg
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使用TokuMX配置Replica Set集群 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
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内容如下：
logpath=/home/apps/tokumx/logs/tokumx.log
cacheSize=10G
oplogSize=10240
fork = true
port = 27017
dbpath=/home/apps/tokumx/data
replSet=ReplSetName
expireOplogDays=14
./mongod -f tokumx.conf 启动，可使用客户端工具MongoVUE连接访问。
以下介绍TokuMX ...
When should use Readonly and Get only properties
...Fuel; // Will work
f.Fuel = a; // Does not compile
f.FillFuelTank(10); // Value is changed from the method's code
}
Setting the private field of your class as readonly allows you to set the field value only once (using an inline assignment or in the class constructor).
You will not be abl...
How to set a default value for a datetime column to record creation time in a migration?
...f.foo.present? instead.
– Fatih
Dec 10 '14 at 14:23
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Not that, when using the execute, this will...