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Convert RGBA PNG to RGB with PIL
...com/mC4Wgqzv Thanks! Two things about your post though: The png.load() command seems to be unnecessary, and line 4 should be background = Image.new("RGB", png.size, (255, 255, 255)).
– Danilo Bargen
Feb 27 '12 at 14:39
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Java ArrayList replace at specific index
I need help with this java please. I created an ArrayList of bulbs, and I'm trying to replace a bulb at specific index with another bulb. So with the following heading, how do I proceed?
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Open Facebook page from Android app?
from my Android app, I would like to open a link to a Facebook profile in the official Facebook app (if the app is installed, of course). For iPhone, there exists the fb:// URL scheme, but trying the same thing on my Android device throws an ActivityNotFoundException .
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Animate text change in UILabel
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I wonder if it works, and it works perfectly!
Objective-C
[UIView transitionWithView:self.label
duration:0.25f
options:UIViewAnimationOptionTransitionCrossDissolve
animations:^{
self.l...
How do I get ASP.NET Web API to return JSON instead of XML using Chrome?
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This is a surprisingly overlooked answer, and although the original question wasn't totally clear, this directly makes JSON the default response for a web browser (which sends Accept: text/html). Good job.
– gregmac
Jan 15 '13 a...
Internet Explorer's CSS rules limits
...n regarding Internet Explorer's silly CSS limits. I am (think I am) understanding that you can only have 31 <style> and <link> tags (combined), and that each sheet can have up to 31 @import -s (so 31 <link> -s, each to 31 @import -s is fine, albeit insane).
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How to find NSDocumentDirectory in Swift?
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Apparently, the compiler thinks NSSearchPathDirectory:0 is an array, and of course it expects the type NSSearchPathDirectory instead. Certainly not a helpful error message.
But as to the reasons:
First, you are confusing the argument names and types. Take a look at the function definition:
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PHP Error handling: die() Vs trigger_error() Vs throw Exception
In regards to Error handling in PHP -- As far I know there are 3 styles:
2 Answers
2
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Asynchronous vs Multithreading - Is there a difference?
...s being other ways. It depends heavily on language, object model (if any), and run time environment.
Asynchronous just means the calling thread doesn't sit and wait for the response, nor does the asynchronous activity happen in the calling thread.
Beyond that, you're going to need to get more spec...
How can I get a file's size in C? [duplicate]
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You need to seek to the end of the file and then ask for the position:
fseek(fp, 0L, SEEK_END);
sz = ftell(fp);
You can then seek back, e.g.:
fseek(fp, 0L, SEEK_SET);
or (if seeking to go to the beginning)
rewind(fp);
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