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Inheritance vs. Aggregation [closed]
... aggregation (or we plan to use it) but we find out we need to copy almost all of the functionality. Then we have a smell that points in the direction of inheritance.
To cut it short. We should use aggregation if part of the interface is not used or has to be changed to avoid an illogical situatio...
How many socket connections can a web server handle?
...am. Today, arbitrarily, let's say i7 (4 core) with 8GB of RAM.
A good firewall/router to match.
No virtual limit/governor - ie. Linux somaxconn, IIS web.config...
No dependency on other slower hardware - no reading from harddisk, because it would be the lowest common denominator and bottleneck, not ...
Sublime Text 2 - View whitespace characters
...ce, "selection" to draw only the
// white space within the selection, and "all" to draw all white space
"draw_white_space": "selection",
You can see it if you go into Preferences->Settings Default. If you edit your user settings (Preferences->Settings - User) and add the line as per below, y...
What does inverse_of do? What SQL does it generate?
... belongs_to :dungeon, :inverse_of => :evil_wizard
end
In this case, calling dungeon.traps.first.dungeon should return the original dungeon object instead of loading a new one as would be the case by default.
share
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Renaming a branch in GitHub
...at_is_local
Dissecting the commands a bit, the git push command is essentially:
git push <remote> <local_branch>:<remote_branch>
So doing a push with no local_branch specified essentially means "take nothing from my local repository, and make it the remote branch". I've always t...
How can I rename a project folder from within Visual Studio?
...s (answer "no" if asked to load a project from source control).
Go through all the unavailable projects and...
Open the properties window for the project (highlight the project and press Alt+Enter or F4, or right-click > properties).
Set the property 'File Path' to the new location.
If the pr...
'Missing contentDescription attribute on image' in XML
...heir devices more easily, including text-to-speech,
haptic feedback, trackball and D-pad navigation that augments their
experience. Android application developers can take advantage of these
services to make their applications more accessible and also build
their own accessibility services.
This gu...
What is the difference between URI, URL and URN? [duplicate]
...RN defines something's identity, while the URL provides a location. Essentially, "what" vs. "where". A URN has to be of this form <URN> ::= "urn:" <NID> ":" <NSS> where <NID> is the Namespace Identifier, and <NSS> is the Namespace Specific String.
To put it differently...
Why use jQuery on() instead of click()
...
Because you might have a dynamically generated elements (for example coming from an AJAX call), you might want to have the same click handler that was previously bound to the same element selector, you then "delegate" the click event using on() with selecto...
Move the most recent commit(s) to a new branch with Git
... checking out the branch you made. So how do the commits you removed magically show up in the new branch?
– Jonathan Dumaine
Aug 3 '10 at 18:28
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