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Insert, on duplicate update in PostgreSQL?
...ubject to race conditions that mean it might still fail with duplicate key error if a row is inserted concurrently, or might terminate with no row inserted when a row is deleted concurrently. A SERIALIZABLE transaction on PostgreSQL 9.1 or higher will handle it reliably at the cost of a very high se...
javascript function leading bang ! syntax
...ion(){
// do stuff
}();
doesn't fit that form (and will cause a syntax error at the first opening paren because there is no function name), so the brackets are used to delineate an anonymous function expression.
(function(){
// do stuff
})();
But anything that creates an expression (as oppo...
Unlink of file failed
I'm trying to do a git pull and I get the following error:
17 Answers
17
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Send email using java
...newTrustedTransport();
} catch (IOException ex) {
log.error(null, ex);
} catch (GeneralSecurityException ex) {
log.error(null, ex);
}
}
private static File getGmailDataDirectory() {
return new File(org.yccheok.jstock.gui.Utils.getUser...
How to update npm
...
to get rid of the annoying error run : rm /etc/apt/sources.list.d/cooperjona-ubuntu-nitrotasks-bionic.list
– Abdelghani AINOUSS
Oct 24 '18 at 21:05
...
Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:2.3.2:compile (default-compile
...d. When I try to do 'Run As---> Maven install', I am getting the following error:
23 Answers
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Which “href” value should I use for JavaScript links, “#” or “javascript:void(0)”?
... the final return false; will not execute if the called function throws an error. Hence the developers have to also remember to handle any error appropriately in the called function.
A third reason is that there are cases where the onclick event property is assigned dynamically. I prefer to be abl...
Best way to test for a variable's existence in PHP; isset() is clearly broken
...erty is array, for example: Class{ public $property = array() }. Throws an error.
– Andrew
Jun 13 '15 at 9:38
1
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Android: ProgressDialog.show() crashes with getApplicationContext
...ue, but was using an ActivityGroup. The only way I was able to solve this error was by using getParent() instead.
– brack
Dec 15 '10 at 19:51
20
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How to execute ipdb.set_trace() at will while running pytest tests
...
The error is raised because of py.test capturing output.
You should run py.test with -s option (turn off capture output). For example:
py.test -s my_test.py
...