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Difference between this and self in self-type annotations?
...ed( e: ActionEvent ) {
// this.setVisible( false ) --> shadowed by JButton!
frame.setVisible( false )
}
})
})
}
The third variant,
trait A { this: B => ... }
does not introduce an alias for this; it just sets the self type.
...
C++, Free-Store vs Heap
...The free store is one of the two
dynamic memory areas, allocated/freed
by new/delete. Object lifetime can be
less than the time the storage is
allocated; that is, free store objects
can have memory allocated without
being immediately initialized, and can
be destroyed without the memor...
Performance differences between debug and release builds
...the following optimizations:
Method inlining. A method call is replaced by the injecting the code of the method. This is a big one, it makes property accessors essentially free.
CPU register allocation. Local variables and method arguments can stay stored in a CPU register without ever (or less...
What is the difference between customErrors and httpErrors?
...g elements.
customErrors are a legacy (backwards compatable) element, used by Visual Studio Development Server (aka. VSDS or Cassini).
httpErrors are the new element which is only used by IIS7.
This highlights the possible problem when developing ASP.NET websites while using VSDS instead of the loca...
Create a custom View by inflating a layout?
...
Here is a simple demo to create customview (compoundview) by inflating from xml
attrs.xml
<resources>
<declare-styleable name="CustomView">
<attr format="string" name="text"/>
<attr format="reference" name="image"/>
</declare-sty...
Amazon SimpleDB vs Amazon DynamoDB
...
This is addressed by the respective FAQ Q: How does Amazon DynamoDB differ from Amazon SimpleDB? Which should I use? (hash link no longer works, but use in-page Find to locate question within page) to some extent already, with the most compact...
How do I profile memory usage in Python?
...'ve recently become interested in algorithms and have begun exploring them by writing a naive implementation and then optimizing it in various ways.
...
How long do browsers cache HTTP 301s?
... purged to make room for new ones.
You can verify this at least in Firefox by going to about:cache and finding it under disk cache. It works this way in other browsers including Chrome and the Chromium based Edge, though they don't have an about:cache for inspecting the cache.
In all browsers it is...
Wait for a process to finish
...
tail works under the hood by polling with kill(pid, SIG_0) to a process (discovered using strace).
– Att Righ
Nov 21 '17 at 1:47
2
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Is there a good JavaScript minifier? [closed]
...
UglifyJS2, used by the jQuery project.
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