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When to use PNG or JPG in iPhone development?
... to be displayed "pixel perfect" (e.g. small icons) or as a part of a composited transparent overlay, etc.
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Does have to be in the of an HTML document?
...e head, but they work anyway; though you might notice a quick flicker. The site shouldn't validate with the style tag outside of the head, but does that really matter? Also, link tags work outside the head as well, even though they aren't supposed to.
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What is the bit size of long on 64-bit Windows?
...ot make sense to me. I have seen docs (such as the one on Apple's official site) say that long are indeed 64 bits when compiling for a 64-bit CPU. I looked up what it was on 64-bit Windows and found
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How to easily resize/optimize an image size with iOS?
...re are examples of applying this solution below.
Gray rectangle is target site image will be resized to.
Blue circles in light blue rectangle is the image (I used circles because it's easy to see when it's scaled without preserving aspect).
Light orange color marks areas that will be trimmed if you...
How to flatten nested objects with linq expression
...
ContactCompany = companyPerson.Company
}
)
Ref site I used: http://odetocode.com/blogs/scott/archive/2008/03/25/inner-outer-lets-all-join-together-with-linq.aspx
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Download the Android SDK components for offline install
...he problem is I am behind a firewall which I have no control over and both sites download URLs seem to be blocked (throws a connection refused exception)
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What is a “slug” in Django?
...se the slug as part of the URL to locate the story, an example being www.mysite.com/archives/kate-and-william.
Even Stack Overflow itself does this, with the GEB-ish(a) self-referential https://stackoverflow.com/questions/427102/what-is-a-slug-in-django/427201#427201, although you can replace the s...
Why is exception.printStackTrace() considered bad practice?
...d-user might introduce a potential security risk. Correct me if I'm wrong, PHP actually prints function parameters in stack trace - brilliant, but very dangerous - if you would you get exception while connecting to the database, what are you likely to in the stacktrace?
2) Generating a stack tr...
Django admin: How to display a field that is marked as editable=False' in the model?
...cond',)
class FooAdmin(admin.ModelAdmin):
form = CustomFooForm
admin.site.register(FooModel, FooAdmin)
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erb, haml or slim: which one do you suggest? And why? [closed]
...h and a lot more readable than ERB.
For example (taken from official HAML site):
In ERB your view will look like this:
<div id="profile">
<div class="left column">
<div id="date"><%= print_date %></div>
<div id="address"><%= current_user.address %&...