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Conventions for exceptions or error codes
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I would never mix the two models...it's too hard to convert from one to the other as you move from one part of the stack which is using error codes, to a higher piece that is using exceptions.
Exceptions are for "anything that stops or in...
How to upload a file to directory in S3 bucket using boto
...AWS_SECRET_ACCESS_KEY)
bucket = conn.create_bucket(bucket_name,
location=boto.s3.connection.Location.DEFAULT)
testfile = "replace this with an actual filename"
print 'Uploading %s to Amazon S3 bucket %s' % \
(testfile, bucket_name)
def percent_cb(complete, total):
sys.stdout.write('.'...
background-size in shorthand background property (CSS3)
I'm trying to mix background-image and background-size properties in a shorthanded background property. Based on W3C documentation background-size should come after background-position property separated with an slash( / ).
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How do I set up a simple delegate to communicate between two view controllers?
...hildViewController.h
#import <UIKit/UIKit.h>
// 1. Forward declaration of ChildViewControllerDelegate - this just declares
// that a ChildViewControllerDelegate type exists so that we can use it
// later.
@protocol ChildViewControllerDelegate;
// 2. Declaration of the view controller class,...
Consequences of using graft in Mercurial
...s a matter of "completing the diamond". So we find a new state M that is a mix of D and F and where the difference from D to M is similar to +f and the difference from F to M is similar to -e. It looks like this:
-e +f'
.---- D ----.
/ \
E M
\ /
'...
scp or sftp copy multiple files with single command
... answered Feb 11 '14 at 1:56
ios.id0ios.id0
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What is the purpose of the var keyword and when should I use it (or omit it)?
... @kangax what if the last two lines of Alex's examples were mixed: var someObject = {} and someObject.someProperty = 5 ? Would someProperty become global, while the object it is a property of remains local?
– snapfractalpop
Nov 28 '12 at 0:43
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Face recognition Library [closed]
I'm looking for a free face recognition library for a university project. I'm not looking for face detection . I'm looking for actual recognition. That means finding images that contain specified faces or libraries that calculate distances between specific faces.
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implements Closeable or implements AutoCloseable
I'm in the process of learning Java and I cannot find any good explanation on the implements Closeable and the implements AutoCloseable interfaces.
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Returning first x items from array
...array array_splice ( array &$input , int $offset [, int $length = 0 [, mixed $replacement]])
If length is omitted, removes everything from offset to the end of the array. If length is specified and is positive, then that many elements will be removed. If length is specified and is negative the...