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onKeyPress Vs. onKeyUp and onKeyDown
...ginally used in this answer.
From that link:
In theory, the onKeyDown and onKeyUp events represent keys being pressed or released, while the onKeyPress event represents a character being typed. The implementation of the theory is not same in all browsers.
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How to get ERD diagram for an existing database?
...alled referential integrity constraints) in a graph style. The table nodes and relations are layed out automatically, with a number of layout modes available. The resulting graph is unique as it displays all information in an optimal and readable layout.
from its site
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Pointers vs. values in parameters and return values
...n doubt, use a pointer."
Slices, maps, channels, strings, function values, and interface values are implemented with pointers internally, and a pointer to them is often redundant.
Elsewhere, use pointers for big structs or structs you'll have to change, and otherwise pass values, because getting thi...
Django MEDIA_URL and MEDIA_ROOT
I'm trying to upload an image via the Django admin and then view that image either in a page on the frontend or just via a URL.
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Message Queue vs Message Bus — what are the differences?
And are there any? To me, MB knows both subscribers and publishers and acts as a mediator, notifying subscribers on new messages (effectively a "push" model). MQ, on the other hand, is more of a "pull" model, where consumers pull messages off a queue.
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Prevent “overscrolling” of web page
...n is problematic for both devices that don't respect the html styling hack and for mobile web browsers which look at the full overflow of body disregarding the height to which html was set.
– runspired
Jul 7 '15 at 19:46
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Traits in PHP – any real world examples/best practices? [closed]
...its have been one of the biggest additions for PHP 5.4. I know the syntax and understand the idea behind traits, like horizontal code re-use for common stuff like logging, security, caching etc.
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Why is debugging better in an IDE? [closed]
...or over twenty years, programming in C, Perl, SQL, Java, PHP, JavaScript, and recently Python. I've never had a problem I could not debug using some careful thought, and well-placed debugging print statements.
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Unable to run app in Simulator: Xcode beta 6 iOS 8
I am unable to launch my app on simulator using Xcode 6 beta and iPhone 5s simulator.
First I am getting an error message from Simulator
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What do I use for a max-heap implementation in Python?
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The easiest way is to invert the value of the keys and use heapq. For example, turn 1000.0 into -1000.0 and 5.0 into -5.0.
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