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Fastest check if row exists in PostgreSQL
I have a bunch of rows that I need to insert into table, but these inserts are always done in batches. So I want to check if a single row from the batch exists in the table because then I know they all were inserted.
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Keystore type: which one to use?
By looking at the file java.security of my JRE , I see that the keystore type to use by default is set to JKS . Here , there is a list of the keystore types that can be used.
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Difference between session affinity and sticky session?
What is the difference between session affinity and sticky session in context of load balancing servers?
7 Answers
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TypeError: p.easing[this.easing] is not a function
When trying to show a div element with jQuery, i got this error:
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Can a unit test project load the target application's app.config file?
I am unit testing a .NET application (.exe) that uses an app.config file to load configuration properties. The unit test application itself does not have an app.config file.
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How do I determine the size of an object in Python?
I want to know how to get size of objects like a string, integer, etc. in Python.
13 Answers
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When to use actors instead of messaging solutions such as WebSphere MQ or Tibco Rendezvous?
I've already read the question and answers to What design decisions would favour Scala's Actors instead of JMS? .
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Is there an expression for an infinite generator?
Is there a straight-forward generator expression that can yield infinite elements?
7 Answers
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Any tools to generate an XSD schema from an XML instance document? [closed]
I am looking for a tool which will take an XML instance document and output a corresponding XSD schema.
10 Answers
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How to trim a file extension from a String in JavaScript?
For example, assuming that x = filename.jpg , I want to get filename , where filename could be any file name (Let's assume the file name only contains [a-zA-Z0-9-_] to simplify.).
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