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How can I play sound in Java?
...) give it a dang URL (or File) rather than accept a String that represents one. (Just a personal 'bee in my bonnet'.) 4) e.printStackTrace(); provides more information with less typing than System.err.println(e.getMessage());.
– Andrew Thompson
Aug 18 '11 at 1...
Is there a built-in function to print all the current properties and values of an object?
... however fancy you like:
>>> print l
['ArithmeticError', 'AssertionError', 'AttributeError',...
or
>>> from pprint import pprint
>>> pprint(l)
['ArithmeticError',
'AssertionError',
'AttributeError',
'BaseException',
'DeprecationWarning',
...
>>> pprint(d,...
Checking if a key exists in a JavaScript object?
... hash changes). To feature detect the hash history or the browser version, one must use window.hasOwnProperty("onhashchange");
– SamGoody
Feb 12 '10 at 10:45
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...
Which ORM should I use for Node.js and MySQL? [closed]
...simple-to-use, reasonable-performance ORM, which supports caching, many-to-one and many-to-many relations.
From the MySQL ORMs I could find, persistencejs and sequelize seem the most mature.
Do you have experience with either? What are the relevant pros and cons I should be aware of in my decis...
Java GUI frameworks. What to choose? Swing, SWT, AWT, SwingX, JGoodies, JavaFX, Apache Pivot? [close
...a 1.4 than a UI framework. Without JFace, you're missing many major UI components or very important features of UI components (like filtering on tables).
If SWT is missing a feature that you need, the framework is somewhat hostile to extending it. For example, you can't extend any class in it (the ...
How do I write LINQ's .Skip(1000).Take(100) in pure SQL?
...ble and wonder why the first page is returned so much faster than the last one...
None the less, using ROW_NUMBER() is probably the best balance between ease of use and good performance, provided you make sure you avoid the sort (the ORDER BY condition can be satisified by an index).
...
Check for null in foreach loop
... by giving the operation a name (OrEmptyIfNull)
The extension method mentioned above might make certain optimizations impossible for the optimizer to detect. Specifically, those that are related to IList using method overloading this can be eliminated
public static IList<T> OrEmptyIfNull<...
C++ semantics of `static const` vs `const`
...while you're not looking. If the variable was defined with const, then no one can change it after initialization but initialization can still be arbitrarily complex.
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Exploitable PHP functions
...ions, but if they where all banned then you wouldn't be able to get much done.
"With great power comes great responsibility."
--Stan Lee
Command Execution
exec - Returns last line of commands output
passthru - Passes commands output directly to the browser
system - Pa...
Is it OK to leave a channel open?
...
"One general principle of using Go channels is don't close a channel from the receiver side and don't close a channel if the channel has multiple concurrent senders."
As clearly mentioned in answer above that every channel wi...