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@UniqueConstraint and @Column(unique = true) in hibernate annotation
....id = 1 and tries to insert another record with mask.id = 1, you'll get an error, because that column should have unique values. The same aplies for group.
On the other hand,
@Table(
name = "product_serial_group_mask",
uniqueConstraints = {@UniqueConstraint(columnNames = {"mask", "group"})}...
Where to find Application Loader app in Mac?
...n Loader through Xcode resulted in a newer version that resolved an upload error.
– Jasper Kuperus
Jul 25 '19 at 9:18
1
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When to use in vs ref vs out
...ents (Community Additions)' section in the link mentioned by you. It is an error which is corrected in VS 2008 documentation.
– Bharat Ram V
Aug 12 '13 at 8:07
...
machine learning libraries in C# [closed]
...
answered Jul 6 '11 at 19:05
Seth JuarezSeth Juarez
48655 silver badges1010 bronze badges
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Simplest way to profile a PHP script
...ing 5.3.27 and it's not running there as well. I get an undefined function error.
– Fractaly
Aug 13 '16 at 18:24
2
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How can I use jQuery in Greasemonkey scripts in Google Chrome?
...amp;&d.addEventListener("load",b),c!=null&&d.addEventListener("error",c),document.body.appendChild(d);return d},execute=function(a){var b,c;typeof a=="function"?b="("+a+")();":b=a,c=document.createElement("script"),c.textContent=b,document.body.appendChild(c);return c},loadAndExecute=fun...
How do I print the elements of a C++ vector in GDB?
...lem = $arg0.size()
if $arg1 >= $arg0.size()
printf "Error, %s.size() = %d, printing last element:\n", "$arg0", $arg0.size()
set $elem = $arg1 -1
end
print *($arg0._M_impl._M_start + $elem)@1
else
print *($arg0._M_impl._M_start)@$arg0.siz...
How to check for null in Twig?
...se (such as zero, empty string and empty array). Besides, it will cause an error if var is not defined. A safer way would be:
{% if var is not defined or var is null %}
which can be shortened to:
{% if var|default is null %}
If you don't provide an argument to the default filter, it assumes NU...
How do I match any character across multiple lines in a regular expression?
...onWithPattern:pattern
options:NSRegularExpressionDotMatchesLineSeparators error:&regexError];
re2, google-apps-script - Use (?s) modifier (demo): "(?s)(.*)<Foobar>" (in Google Spreadsheets, =REGEXEXTRACT(A2,"(?s)(.*)<Foobar>"))
NOTES ON (?s):
In most non-POSIX engines, (?s) inlin...
How do I disable the 'Debug / Close Application' dialog on Windows Vista?
...
To force Windows Error Reporting (WER) to take a crash dump and close the app, instead of prompting you to debug the program, you can set these registry entries:
Windows Registry Editor Version 5.00
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Wi...