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Hibernate Error: org.hibernate.NonUniqueObjectException: a different object with the same identifier
...t most often happens via cascading saves where there is a cascade save between object A and B, but object B has already been associated with the session but is not on the same instance of B as the one on A.
What primary key generator are you using?
The reason I ask is this error is related to how...
Warning: Null value is eliminated by an aggregate or other SET operation in Aqua Data Studio
...r literal)? The Where clause already specifies "and closed is NULL" so no need for summing a case statement in this instance. Also, I've heard (aeons ago) that "count(*)" is not as efficient as counting a single column or literal but not sure if that is still the case.
– RowanP...
How do I set the offset for ScrollSpy in Bootstrap?
...t offset does not affect scrolling. This means anybody using a fixed-top needs to manually adjust in this manner.
– Brian Smith
Aug 6 '12 at 10:49
9
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Formatting a number with leading zeros in PHP [duplicate]
... from the page linked above, here's a sample "zero-padded integers":
<?php
$isodate = sprintf("%04d-%02d-%02d", $year, $month, $day);
?>
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PHP validation/regex for URL
...references to some flags have been removed entirely. More info here: news.php.net/php.internals/99018
– S. Imp
May 12 '17 at 21:53
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What code analysis tools do you use for your Java projects? [closed]
...integrate these tools with an Ant-based build. You can follow the link to see my commented configuration.
In addition to the simple integration into the build, I find it helpful to configure the tools to be somewhat "integrated" in a couple of other ways. Namely, report generation and warning suppr...
PHP: Convert any string to UTF-8 without knowing the original character set, or at least try
... Please, take a look at mb_detect_encoding source code in your php distro (somewhere here: ext/mbstring/libmbfl/mbfl/mbfl_ident.c). This function does not work properly at all. For some encodings it even has "return true", lol. Others are in Ctrl+c Ctrl+v functions. That's because you ca...
PHP Timestamp into DateTime
...romFormat('U', $timeStamp);
Where 'U' means Unix epoch. See docs: http://php.net/manual/en/datetime.createfromformat.php
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How to check if one DateTime is greater than the other in C#
... Ben HoffsteinBen Hoffstein
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File upload progress bar with jQuery
...responseText);
}
});
});
html:
<form action="file-echo2.php" method="post" enctype="multipart/form-data">
<input type="file" name="myfile"><br>
<input type="submit" value="Upload File to Server">
</form>
<div class="progress">
<div ...