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Private module methods in Ruby
...l. Because you can access the "perform" method from outside the module by calling GTranslate::Translator.new.perform. In otherwords, it is not private.
– Zack Xu
Jun 26 '13 at 16:07
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Add a “hook” to all AJAX requests on a page
...e as they will use the native object if possible.
function addXMLRequestCallback(callback){
var oldSend, i;
if( XMLHttpRequest.callbacks ) {
// we've already overridden send() so just add the callback
XMLHttpRequest.callbacks.push( callback );
} else {
// creat...
How do I correctly clean up a Python object?
...cit close() statement is that you have to worry about people forgetting to call it at all or forgetting to place it in a finally block to prevent a resource leak when an exception occurs.
To use the with statement, create a class with the following methods:
def __enter__(self)
def __exit__(sel...
Java ResultSet how to check if there are any results
...y the ResultSet's cursor is pointing to before the first row, if the first call to next() returns false then there was no data in the ResultSet.
If you use this method, you may have to call beforeFirst() immediately after to reset it, since it has positioned itself past the first row now.
It shoul...
Java Pass Method as Parameter
....out.println(data.toString());
}
}
public static void callCommand(Command command, Object data)
{
command.execute(data);
}
public static void main(String... args)
{
callCommand(new PrintCommand(), "hello world");
}
}
Edit: as Pete Kirkham...
Suppressing “warning CS4014: Because this call is not awaited, execution of the current method conti
This is not a duplicate of "How to safely call an async method in C# without await" .
8 Answers
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How to show “if” condition on a sequence diagram?
...
If else condition, also called alternatives in UML terms can indeed be represented in sequence diagrams. Here is a link where you can find some nice resources on the subject
http://www.ibm.com/developerworks/rational/library/3101.html
...
Can virtual functions have default parameters?
...' or a derived class' -- is determined by the static type used to make the call to the function. If you call through a base class object, pointer or reference, the default denoted in the base class is used. Conversely, if you call through a derived class object, pointer or reference the defaults d...
How to set the focus for a particular field in a Bootstrap modal, once it appears
...is because modal animation is enabled (fade in class of the dialog), after calling .modal('show'), the dialog is not immediately visible, so it can't get focus at this time.
I can think of two ways to solve this problem:
Remove fade from class, so the dialog is immediately visible after calling ....
SELECT * WHERE NOT EXISTS
...
You didn't join the table in your query.
Your original query will always return nothing unless there are no records at all in eotm_dyn, in which case it will return everything.
Assuming these tables should be joined on employeeI...