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Copying PostgreSQL database to another server

...d the database on the new machine (But blank) I got a LOT of duplicate key errors. However, it is a dev environment and they didn't hurt anything. – Chris Mendla Apr 4 '19 at 3:47 ...
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Create instance of generic type in Java?

...crete (we leave out abstract), why will new Foo<Bar>(); result in an error, while new Foo<Bar>(){}; doesn't? (Exception: "Class cannot be cast to ParameterizedType") – Tim Kuipers Dec 22 '13 at 14:52 ...
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Remove rows with duplicate indices (Pandas DataFrame and TimeSeries)

... I tried this but could not get it to work.. I get an error like this: TypeError: 'Series' objects are mutable, thus they cannot be hashed.. Did this actually work for you? – Onno Eberhard Sep 3 '19 at 13:45 ...
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How to do an update + join in PostgreSQL?

... Your first SQL example has a syntax error. "update t1" cannot use the alias from the t subquery, it needs to use the table name: "update table1". You do this correctly in your second example. – EricS Nov 18 '19 at 21:05 ...
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How do you make sure email you send programmatically is not automatically marked as spam?

...sible bounce mails ("Returned to sender")? You can also set up a separate "errors-to" address. share | improve this answer | follow | ...
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How to check if a stored procedure exists before creating it

...t is still in use by other people, systems, or threads. Tracking down the errors caused by momentarily dropping a stored procedure can be quite vexing because they are very difficult to reproduce. – James Dec 4 '14 at 22:51 ...
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Java: Path vs File

...row exceptions when they failed, so it was impossible to obtain a useful error message. For example, if a file deletion failed, the program would receive a "delete fail" but wouldn't know if it was because the file didn't exist, the user didn't have permissions, or there was some other probl...
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How to sort git tags by version string order of form rc-X.Y.Z.W?

...played ref has fewer components than <N>, the command aborts with an error. For git tag, when unspecified, defaults to %(refname:strip=2). Update Git 2.12 (Q1 2017) See commit c026557, commit b178464, commit 51acfa9, commit b823166, commit 109064a, commit 0c1b487, commit 9ffda48, commit ...
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Copy existing project with a new name in Android Studio

... selected the base package folder and clicked Refactor -> Rename, I got errors with "package rename" option, then I did "folder rename" option with success. – Ismail Yavuz May 23 '19 at 2:30 ...
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Is there a splice method for strings?

... Creating temp vars and introducing places for off-by-one errors, not to mention code that takes longer for humans to process as opposed to split("").splice(...).join("") is a tradeoff that deserves consideration. The speed issue is only an issue if it's an issue. ...