大约有 900 项符合查询结果（耗时：0.0139秒） [XML]
What is the string length of a GUID?
...uid = System.Guid.NewGuid();
byte[] guidbytes = guid.ToByteArray();
string uuid = Convert.ToBase64String(guidbytes).Trim('=');
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Can table columns with a Foreign Key be NULL?
...insert a DEFAULT element in the other table. For example, any reference to uuid=00000000-0000-0000-0000-000000000000 on the other table would indicate no action. You also need to set all the values for that id to be "neutral", e.g. 0, empty string, null in order to not affect your code logic.
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SVN repository backup strategies
...switch the slave into primary position quite easily (only had to reset the UUID on the slave repository to the original).
Another benefit is that the sync can be run by a middle-man, rather than as a task on either server. I've had a client to two VPNs sync a repository between them.
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How to use regex with find command?
I have some images named with generated uuid1 string. For example 81397018-b84a-11e0-9d2a-001b77dc0bed.jpg. I want to find out all these images using "find" command:
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Most useful NLog configurations [closed]
What are the best or most useful configurations for logging with NLog? (These can be simple or complex, as long as they're useful.)
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postgres: upgrade a user to be a superuser?
...sterweily You can do \du to list all users/roles.
– XåpplI'-I0llwlg'I -
Apr 6 '14 at 23:38
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How to install an npm package from GitHub directly?
... Global installs seem to be working in npm 3.3.8.
– XåpplI'-I0llwlg'I -
Oct 23 '15 at 7:34
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Loading local JSON file
...s empty. Might be useful for someone out there :)
– Håvard Geithus
Jun 28 '15 at 17:43
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Generate list of all possible permutations of a string
...t? (referring to line 1 and 3 in the pseudocode).
– Håvard Geithus
May 26 '12 at 17:25
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How to get a random number in Ruby
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If you're not only seeking for a number but also hex or uuid it's worth mentioning that the SecureRandom module found its way from ActiveSupport to the ruby core in 1.9.2+. So without the need for a full blown framework:
require 'securerandom'
p SecureRandom.random_number(100) #...