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How to check that an object is empty in PHP?

... empty doesn't actually check if an array is empty, empty($var) equivalent to (!isset($var) || !$var). You can replace your empty($arr)s with !$arr since array() == FALSE – Timothy Zorn Aug 20 '15 at 18:35...
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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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Number of days between two dates in Joda-Time

...avours out there for such calculations, if you are reading an input from a web page, might be ok, but if you are processing a log file with hundreds of thousands of lines this just makes it very slow – JBoy Jun 21 '16 at 21:37 ...
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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 I originally made it a comment probably because it wasn't an actual answer to OP's question.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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Forward function declarations in a Bash or a Shell script?

... This seems somewhat analogous to what if _ _ name _ _ == "_ _ main _ _": main() does in python – Sergiy Kolodyazhnyy Feb 13 '16 at 7:13 ...
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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...
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Cost of storing AMI

... Not the answer you're looking for? Browse other questions tagged amazon-web-services amazon-ec2 or ask your own question.