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Preview an image before it is uploaded
I want to be able to preview a file (image) before it is uploaded. The preview action should be executed all in the browser without using Ajax to upload the image.
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Integer division with remainder in JavaScript?
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How can I generate a unique ID in Python? [duplicate]
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How can I use UUIDs in SQLAlchemy?
Is there a way to define a column (primary key) as a UUID in SQLAlchemy if using PostgreSQL (Postgres)?
9 Answers
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What does it mean to “program to an interface”?
...a. In Java or C# that means using public properties and methods instead of raw field access. For C that means using functions instead of raw pointers.
EDIT: And with databases it means using views and stored procedures instead of direct table access.
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Get first n characters of a string
...o trim a string to a specific number of characters, and append '...' if needed?
19 Answers
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Terminal Multiplexer for Microsoft Windows - Installers for GNU Screen or tmux [closed]
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How to easily resize/optimize an image size with iOS?
...e:(CGSize)newSize;
{
UIGraphicsBeginImageContext( newSize );
[image drawInRect:CGRectMake(0,0,newSize.width,newSize.height)];
UIImage* newImage = UIGraphicsGetImageFromCurrentImageContext();
UIGraphicsEndImageContext();
return newImage;
}
As far as storage of the image, the fastest...