大约有 40,000 项符合查询结果（耗时：0.0361秒） [XML]
Why all the Active Record hate? [closed]
...s Person
belongs_to :company
end
people = Person.find(:all, :include => :company )
This generates SQL with LEFT JOIN companies on companies.id = person.company_id, and automatically generates associated Company objects so you can do people.first.company and it doesn't need to hit the databa...
How to save MySQL query output to excel or .txt file? [duplicate]
...tion:
mysql -user -pass -e "select cols from table where cols not null" > /tmp/output
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In Mongoose, how do I sort by date? (node.js)
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See if this helps > How to sort in mongoose?
Also read this > http://www.mongodb.org/display/DOCS/Sorting+and+Natural+Order
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imp...
JMS Topic vs Queues
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It is simple as that:
Queues = Insert > Withdraw (send to single subscriber) 1:1
Topics = Insert > Broadcast (send to all subscribers) 1:n
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find() with nil when there are no records
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this will return nil, instead of raising a Exception
User.where(:id => 10).first
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How to convert timestamp to datetime in MySQL?
...(`orderdate`), '%Y-%m-%d %H:%i:%s') as "Date" FROM `orders`
This is the ultimate solution if the given date is in encoded format like 1300464000
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Microsoft.Office.Core Reference Missing
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.NET->Office (if PIA installed). See Spike's answer below.
– samis
Dec 30 '14 at 21:34
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difference and when to use getApplication(), getApplicationContext(), getBaseContext() and someClass
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@waqaslam referring to android sdk Classes, Context -> ContextWrapper -> 1.Application & 2.ContextThemeWrapper -> Activity; and getBaseContext() is method of ContextWrapper, so getBaseContext() offers activity context. as well as Application Context too...isn't th...
How to access test resources in Scala?
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I had to add a getClassLoader to the instruction. The result was Source.fromURL(getClass.getClassLoader.getResource("simulation.json"))
– Moebius
Jan 12 '17 at 17:30
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Use RSA private key to generate public key?
...tored in the generated mykey.pem file.
openssl rsa -in mykey.pem -pubout > mykey.pub
will extract the public key and print that out. Here is a link to a page that describes this better.
EDIT: Check the examples section here. To just output the public part of a private key:
openssl rsa -in k...