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C# version of java's synchronized keyword?
... be thread-safe. Use YAGNI: only apply thread-safety when you know you actually are going to use it (and test it).
For the method-level stuff, there is [MethodImpl]:
[MethodImpl(MethodImplOptions.Synchronized)]
public void SomeMethod() {/* code */}
This can also be used on accessors (properties ...
How to iterate over the files of a certain directory, in Java? [duplicate]
...hing with child
}
} else {
// Handle the case where dir is not really a directory.
// Checking dir.isDirectory() above would not be sufficient
// to avoid race conditions with another process that deletes
// directories.
}
...
Retrieve column names from java.sql.ResultSet
...be the same as the value returned by the getColumnName method.". In almost all case you should use getColumnLabel instead of getColumnName.
– Mark Rotteveel
Aug 17 '18 at 7:15
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SQL error “ORA-01722: invalid number”
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Also notice that manually complete a field with "(null)" will give you that error. If the defaul is null and you don't complete it will auto-complete with (null) but it is not the same when you type it.
– bogdan.rusu
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The ALTER TABLE statement conflicted with the FOREIGN KEY constraint
...e "ALTER TABLE tablename WITH NOCHECK ..." option to add the FK. This will allow you to add the relation, even though existing data breaks the constraint. It's obviously better to clean up your data first, but this at least gives you another option.
– DaveInMaine
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How can I share code between Node.js and the browser?
I am creating a small application with a JavaScript client (run in the browser) and a Node.js server, communicating using WebSocket.
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Difference between a Seq and a List in Scala
...tional programming. However, it has limitations and it's inadequate for parallel programming. These days, Vector is a better choice than List, but habit is hard to break.
Seq is a good generalization for sequences, so if you program to interfaces, you should use that. Note that there are actually t...
How do I use Assert to verify that an exception has been thrown?
...ption(typeof(ArgumentException),
"A userId of null was inappropriately allowed.")]
public void NullUserIdInConstructor()
{
LogonInfo logonInfo = new LogonInfo(null, "P@ss0word");
}
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Closure in Java 7 [closed]
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Do you have a more specific link than the overall blog?
– I82Much
Nov 11 '14 at 4:50
2
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How to implement history.back() in angular.js
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This code is untestable, you should really use the '$window' object instead of 'window.'
– Arbiter
Apr 25 '13 at 18:19
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