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“Diff” an image using ImageMagick
... as a PNG file, the second one as a PDF.
The resulting diff file displays all pixels which are different in red color. The ones which are unchanged appear white.
Short and sweet.
Note, your images need not be the same type. You can even mix JPEG, TIFF, PNG -- under one condition: the images sho...
T-SQL: Using a CASE in an UPDATE statement to update certain columns depending on a condition
I am wondering if this is possible at all. I want to update column x if a condition is true, otherwise column y would be updated
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Autoresizing masks programmatically vs Interface Builder / xib / nib
...ewAutoresizingFlexibleRightMargin | UIViewAutoresizingFlexibleTopMargin;
All to often I see these margins OR'ed together on one line like the example above. Just hard to read.
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“var” or no “var” in JavaScript's “for-in” loop?
...erties, so using the standard "for in" loop w/o the var statement will actually fail and return a ReferenceError.
– dkugappi
Jun 11 '13 at 15:01
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call a static method inside a class?
how do i call a static method from another method inside the same class?
4 Answers
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How to discard local commits in Git?
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git reset --hard origin/master
will remove all commits not in origin/master where origin is the repo name and master is the name of the branch.
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How to set time delay in javascript
...setInterval (other)
Both these methods have same signature. They take a call back function and delay time as parameter.
setTimeout executes only once after the delay whereas setInterval keeps on calling the callback function after every delay milisecs.
both these methods returns an integer ident...
Git Checkout warning: unable to unlink files, permission denied
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I usually see that kind of error when there is a process not releasing the handle of those files.
Make sure nothing is running, and then try your checkout again.
Note: it can also be related with the way Git has been installed (...
lexers vs parsers
Are lexers and parsers really that different in theory?
5 Answers
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Nginx 403 error: directory index of [folder] is forbidden
I have 3 domain names and am trying to host all 3 sites on one server (a Digital Ocean droplet) using Nginx.
19 Answers
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