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What are CN, OU, DC in an LDAP search?

...N = Common Name OU = Organizational Unit DC = Domain Component These are all parts of the X.500 Directory Specification, which defines nodes in a LDAP directory. You can also read up on LDAP data Interchange Format (LDIF), which is an alternate format. You read it from right to left, the right-m...
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Python argparse: default value or specified value

... import argparse parser = argparse.ArgumentParser() parser.add_argument('--example', nargs='?', const=1, type=int) args = parser.parse_args() print(args) % test.py Namespace(example=None) % test.py --example Namespace(example=1) % test.py --example 2 Namespace(example=2) nargs...
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find() with nil when there are no records

... Yes, just do: Challenge.find_by_id(10) For Rails 4 and 5: Challenge.find_by(id: 10) share | improve this answer | ...
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How can I check if a var is a string in JavaScript?

... Guys, I really would give an accepted answer to both of you, but I can't, all I can do is +1 to both, than give the accepted answer at who is more near to my specific problem, that I've not fully explained. – vitt...
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LINQ: Distinct values

... Oh so by "larger type" you may mean I still want all properties in the result even though I only want to compare a few properties to determine distinctness? – The Red Pea Sep 20 '16 at 14:31 ...
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How to restore to a different database in sql server?

...mpCopy with the contents of your.bak. Example (restores a backup of a db called 'creditline' to 'MyTempCopy'; RESTORE FILELISTONLY FROM DISK='e:\mssql\backup\creditline.bak' >LogicalName >-------------- >CreditLine >CreditLine_log RESTORE DATABASE MyTempCopy FROM DISK='e:\mssql\backu...
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Global access to Rake DSL methods is deprecated

... You can "delete" Rake 0.9.1 by running the following command: gem uninstall rake -v=0.9.1 If you have multiple versions of the gem installed, you'll be prompted to pick a version. After 0.9.1 was cleaned out, I ran bundle update rake and was finally able to create my database files. I was ...
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What's the difference between %s and %d in Python string formatting?

... what do you call these %s, %d, etc? – Chaine May 19 '17 at 18:21 1 ...
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How can I get a java.io.InputStream from a java.lang.String?

... You might be right. I originally made it a comment probably because it wasn't an actual answer to OP's question. – Andres Riofrio Jul 15 '13 at 18:52 ...
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Why do we need message brokers like RabbitMQ over a database like PostgreSQL?

...ustering options are also available. In regards to AMQP, I would say a really cool feature is the "exchange", and the ability for it to route to other exchanges. This gives you more flexibility and enables you to create a wide array of elaborate routing typologies which can come in very handy when...