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What's the difference between comma separated joins and join on syntax in MySQL? [duplicate]
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There is no difference at all.
Second representation makes query more readable and makes it look very clear as to which join corresponds to which condition.
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What reference do I need to use Microsoft.Office.Interop.Excel in .NET?
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Community♦
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answered May 7 '12 at 7:03
moribvndvsmoribvndvs
40.5k99 gold ...
Find a private field with Reflection?
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edited Jan 11 '12 at 18:58
user1228
answered Sep 18 '08 at 19:22
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Run a string as a command within a Bash script
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eval is an evil command in all programming languages so use it with caution.
– Krishnadas PC
Jul 17 '18 at 6:50
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Sorting an IList in C#
...ting problem today. We have a WCF web service that returns an IList. Not really a big deal until I wanted to sort it.
15 An...
Can you attach Amazon EBS to multiple instances?
... to get an EBS volume attached to more than one instance, it would be a _REALLY_BAD_IDEA_. To quote Kekoa, "this is like using a hard drive in two computers at once"
Why is this a bad idea? ...
The reason you can't attach a volume to more than one instance is that EBS provides a "block storage" a...
How to call a JavaScript function from PHP?
How to call a JavaScript function from PHP?
10 Answers
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Convert MySQL to SQlite [closed]
...has a command line tool for dealing with databases, you must have ruby installed, then:
$ gem install sequel mysql2 sqlite3
$ sequel mysql2://user:password@host/database -C sqlite://db.sqlite
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How do I insert NULL values using PDO?
...akes a variable, to reference, and doesn't pull in a value at the time of calling bindParam. I found this in a comment on the php docs:
bindValue(':param', null, PDO::PARAM_INT);
EDIT: P.S. You may be tempted to do this bindValue(':param', null, PDO::PARAM_NULL); but it did not work for everybody...
Python Create unix timestamp five minutes in the future
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Now in Python >= 3.3 you can just call the timestamp() method to get the timestamp as a float.
import datetime
current_time = datetime.datetime.now(datetime.timezone.utc)
unix_timestamp = current_time.timestamp() # works if Python >= 3.3
unix_timestamp_pl...