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How do I make JavaScript beep?
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You may also experience browser compatibility issues with this style of playing sound. PLaying sound from a browser in a cross-browser compatible way is hard!
– krosenvold
May 18 '09 at 19:19
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Difference between Bridge pattern and Adapter pattern
...umental in understanding how the Bridge Pattern's "Implementor" (dofactory.com/net/bridge-design-pattern) is different from an "Adapter".
– Jordan
Sep 3 '14 at 13:16
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What's the difference between the various methods to get a Context?
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I agree that documentation is sparse when it comes to Contexts in Android, but you can piece together a few facts from various sources.
This blog post on the official Google Android developers blog was written mostly to help address memory leaks, but provides some good...
What is Linux’s native GUI API?
...s, keyboards and pointer devices.
X Window defines a network protocol for communication, and any program that knows how to "speak" this protocol can use it. There is a C library called Xlib that makes it easier to use this protocol, so Xlib is kind of the native GUI API. Xlib is not the only way to...
REST URI convention - Singular or plural name of resource while creating it
...ople. Conventions matter and SHOULD be debated constructively amongst the community, that's where better solutions come about and good practices. When you are using both plural and singular for resource names in URIs, it complicates your code and the API because the user and the code behind the AP...
How do you create a random string that's suitable for a session ID in PostgreSQL?
...fficient way to choose from 62 characters each time? How does this perform compared to md5()?
– ma11hew28
Feb 10 '14 at 1:58
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“implements Runnable” vs “extends Thread” in Java
...he thread's behaviour. You're just giving it something to run. That means composition is the philosophically "purer" way to go.
In practical terms, it means you can implement Runnable and extend from another class as well.
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How do you 'redo' changes after 'undo' with Emacs?
...Short version: by undoing the undo. If you undo, and then do a non-editing command such as C-f, then the next undo will undo the undo, resulting in a redo.
Longer version:
You can think of undo as operating on a stack of operations. If you perform some command (even a navigation command such as C-...
Combining two expressions (Expression)
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Well, you can use Expression.AndAlso / OrElse etc to combine logical expressions, but the problem is the parameters; are you working with the same ParameterExpression in expr1 and expr2? If so, it is easier:
var body = Expression.AndAlso(expr1.Body, expr2.Body);
var lambda = E...
UnboundLocalError on local variable when reassigned after first use
...tion, it is treated by default as a local variable. Therefore, when you uncomment the line you are trying to reference the local variable c before any value has been assigned to it.
If you want the variable c to refer to the global c = 3 assigned before the function, put
global c
as the first l...