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Why does Maven warn me about encoding?
...target/generated-sources/archetype/pom.xml and then runs the package goal (by default) on this POM.
The generated POM file doesn't have project.build.sourceEncoding or any other property defining encoding, and that's why you get the warning.
The POM is generated from this prototype by org.apache.m...
When I catch an exception, how do I get the type, file, and line number?
...py", line 51, in <module>
print(4/0)
ZeroDivisionError: division by zero
Process finished with exit code 0
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Computed / calculated / virtual / derived columns in PostgreSQL
...columns are not supported - as defined in the SQL standard and implemented by some RDBMS including DB2, MySQL and Oracle. Nor the similar "computed columns" of SQL Server.
STORED generated columns are introduced with Postgres 12. Trivial example:
CREATE TABLE tbl (
int1 int
, int2 int
, pr...
What's the difference between Invoke() and BeginInvoke()
...example - but you need to understand that the UI may not have been updated by the time you next look at it! In particular, you shouldn't modify data which the UI thread might be about to use for display purposes. For example, if you have a Person with FirstName and LastName properties, and you did:
...
Is there any NoSQL data store that is ACID compliant?
...f NoSQL... While there seems to be a trend following the opinion expressed by dove , I would argue the concepts are distinct.
NoSQL is fundamentally about simple key-value (e.g. Redis) or document-style schema (collected key-value pairs in a "document" model, e.g. MongoDB) as a direct alternative t...
Java `final` method: what does it promise?
...lows the original developer to create functionality that cannot be changed by subclasses, and that is all the guarantee it provides.
This means that if the method relies on other customizable components like non-public fields/methods the functionality of the final method may still be customizable. ...
In Firebase, is there a way to get the number of children of a node without loading all the node dat
...nd its count equal newcount, && newcount (priority) can only go up by one.
}
}
Test script to add 10 votes by different users (for this example, id's faked, should user auth.uid in production). Count down by (i--) 10 to see validation fail.
<script src='https://cdn.firebase.com/v0/f...
How remove word wrap from textarea?
...
Textareas shouldn't wrap by default, but you can set wrap="soft" to explicitly disable wrap:
<textarea name="nowrap" cols="30" rows="3" wrap="soft"></textarea>
EDIT: The "wrap" attribute is not officially supported. I got it from the g...
How to set a binding in Code?
...odel, the .SomeString part is evaluated from the Path (the Path can be set by the constructor or by the Path property).
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nginx error connect to php5-fpm.sock failed (13: Permission denied)
...php.net/bug.php?id=67060 - consider instead the listen.owner fix suggested by artooro.
– Chris Burgess
May 14 '14 at 23:15
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