大约有 14,600 项符合查询结果（耗时：0.0269秒） [XML]
SQL Server 2008 can't login with newly created user
... button, and click OK.
Right-click on the SQL Server instance, select Restart (alternatively, open up Services and restart the SQL Server service).
This is also incredibly helpful for IBM Connections users, my wizards were not able to connect until I fxed this setting.
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JPA OneToMany not deleting child
... some search/ reading before i asked, just wanting to be save). somehow i start regretting the decision to use JPA API and nit Hibernate directly .. I will try Chandra Patni pointer and use the hibernate delete_orphan cascade type.
– bert
Jan 6 '10 at 8:12
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Choosing between qplot() and ggplot() in ggplot2 [closed]
I'm starting to use the great ggplot2 package for plotting in R, and one of the first things I ask myself before each plot is "well, will I use qplot or ggplot ?"
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Print number of keys in Redis
...raction of them matches the pattern.
Example in python; counting all keys starting with prefix_:
import redis
r = redis.StrictRedis(host = 'localhost', port=6379)
iter=1000
print 'Approximately', r.dbsize() * float(sum([r.randomkey().startswith('prefix_') for i in xrange(iter)])) / iter
Even ite...
How do I copy folder with files to another folder in Unix/Linux? [closed]
... long file paths when typing in the terminal, you can hit Tab after you've started typing the path and you will either be presented with choices, or it will insert the remaining part of the path.
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Can't stop rails server
...y in step 1.
OR
Remove file(server.pid) under Rails.root/tmp/pids/ and restart server.
OR
open app in another port by using command:
rails s -p 3001
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What is the advantage to using bloom filters?
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I will start with the explanation of what is a bloom filter, what it can and can't do, why do we need it, show an intuitive description how it works and then give some example when they can be useful.
So a standard bloom filter is ...
AttributeError: 'module' object has no attribute 'tests'
...going on because I fixed the import within my test file and sure enough it started working.
To validate your test case just try import the test case file in python console.
Example:
from project.apps.app1.tests import *
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How can I grep for a string that begins with a dash/hyphen?
I want to grep for the string that starts with a dash/hyphen, like -X , in a file, but it's confusing this as a command line argument.
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How to connect to my http://localhost web server from Android Emulator
... command, shows net as 172.17.100.15/255.255.255.0
Begin pinging addresses starting at 172.17.100.1, got a hit on `172.17.100.2'. Not sure if a firewall would interfere but it didn't in my case
Maybe this can help someone else figure it out for other emulators.
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