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JPA - Returning an auto generated id after persist()
... @Id
@GeneratedValue(strategy=GenerationType.IDENTITY)
private int id;
}
check that @GeneratedValue notation is there in your entity class.This tells JPA about your entity property auto-generated behavior
sh...
Internal Error 500 Apache, but nothing in the logs?
...in windows and then upload it to the server without the line endings being converted you will get this error.
in perl if you forget
print "content-type: text/html\r\n\r\n";
you will get this error
There are many reasons for it. so please first check your error log and then provide some more in...
What does `m_` variable prefix mean?
...s also great if you already know the scope and you're using something like intelliSense, you can start with m_ and a list of all your member variables are shown. Part of Hungarian notation, see the part about scope in the examples here.
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Newline in markdown table?
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The <BR> syntax works only when you convert to HTML - at least in pandoc.
– halloleo
Jul 5 '15 at 4:11
3
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Entity Framework Migrations renaming tables and columns
...nameColumn generates a sp_rename T-SQL statement which uses uses parsename internally which has some limitations. So if you have a table name which has dots in it e.g. "SubSystemA.Tablename" then use: RenameColumn("dbo.[SubSystemA.Tablename]", "OldColumnName", "NewColumnName");
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Best way to resolve file path too long exception
...ed a app that downloads all document libraries in a SP Site , but at one point it giving me this error (I tried looking at google but couldn;t find anything, now if anyone knows any trick to solve this problem please respond otherwise thanks for looking at it)
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Java inner class and static nested class
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From the Java Tutorial:
Nested classes are divided into two categories: static and non-static. Nested classes that are declared static are simply called static nested classes. Non-static nested classes are called inner classes.
Static nested classes are accessed using the ...
How to detect IE11?
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I converted this solution to a Boolean if the version is less important function isIE() { return ((navigator.appName == 'Microsoft Internet Explorer') || ((navigator.appName == 'Netscape') && (new RegExp("Trident/.*rv:(...
Cordova: start specific iOS emulator image
... '--stdout', logPath,
'--exit'];
return spawn('ios-sim', simArgs);
}
convert iPhone-4s, 7.1 to valid argument com.apple.CoreSimulator.SimDeviceType.iPhone-4s, 7.1 for ios-sim.
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How do I test if a variable is a number in Bash?
...o use single brackets; [[ a -eq a ]] evaluates to true (both arguments get converted to zero)
– Tgr
Aug 28 '12 at 9:30
3
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