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How are strings passed in .NET?
...hat produce modified versions of the string (substrings, trimmed versions, etc.) create modified copies of the original string.
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.prop() vs .attr()
...ght to a thorough description of the property, where its value comes from, etc.
– T.J. Crowder
May 4 '11 at 13:30
4
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Function overloading by return type?
... @Jörg - in most mainstream programming languages (C/C++, C#, Java, etc.) functions commonly have side-effects. In fact, I'd guess that functions with side effects are at least as common as those without.
– Michael Burr
Jan 14 '09 at 21:20
...
java.sql.SQLException: - ORA-01000: maximum open cursors exceeded
...lar, never hold JDBC objects (Connections, ResultSets, PreparedStatements, etc) over different remote invocations - let the Application Server manage this. The Application Server not only provides a connection pool, it also caches your PreparedStatements.
Eliminating leaks
There are a number of p...
Undefined behavior and sequence points
...use of Rule no 2
Example 2:
a[i] = i++ // or a[++i] = i or a[i++] = ++i etc
is disallowed because one of the accesses of i (the one in a[i]) has nothing to do with the value which ends up being stored in i (which happens over in i++), and so there's no good way to define--either for our underst...
Is JavaScript a pass-by-reference or pass-by-value language?
The primitive types (number, string, etc.) are passed by value, but objects are unknown, because they can be both passed-by-value (in case we consider that a variable holding an object is in fact a reference to the object) and passed-by-reference (when we consider that the variable to the object hol...
What is the correct way to create a single-instance WPF application?
...) {
Application.EnableVisualStyles();
Application.SetCompatibleTextRenderingDefault(false);
Application.Run(new Form1());
mutex.ReleaseMutex();
} else {
MessageBox.Show("only one instance at a time");
}
}
}
So, if o...
How to design a multi-user ajax web application to be concurrently safe
...your webservers, database & caching hardware, # of user, # of objects, etc. Not an easy decision to make.
For each atomic artifact have:
an application-wide unique-id
an incrementing version-id
a locking mechanism for write-access (mutex maybe)
a small history or "changelog" inside a ringbuffe...
How do I find where an exception was thrown in C++?
...32 structured exception handling (used by the instrumentation) for logging etc.
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Passing Parameters JavaFX FXML
...omerDialog(Customer customer) {
FXMLLoader loader = new FXMLLoader(
getClass().getResource(
"customerDialog.fxml"
)
);
Stage stage = new Stage(StageStyle.DECORATED);
stage.setScene(
new Scene(loader.load())
);
CustomerDialogController controller = loader.getController...