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Convert RGBA PNG to RGB with PIL
I'm using PIL to convert a transparent PNG image uploaded with Django to a JPG file. The output looks broken.
7 Answers
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jQuery get the location of an element relative to window
Given an HTML DOM ID, how to get an element's position relative to the window in JavaScript/JQuery? This is not the same as relative to the document nor offset parent since the element may be inside an iframe or some other elements. I need to get the screen location of the element's rectangle (as ...
How to run the sftp command with a password from Bash script?
I need to transfer a log file to a remote host using sftp from a Linux host. I have been provided credentials for the same from my operations group. However, since I don't have control over other host, I cannot generate and share RSA keys with the other host.
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Is it possible to cherry-pick a commit from another git repository?
I'm working with a git repository that needs a commit from another git repository that knows nothing of the first.
11 Answe...
Is R's apply family more than syntactic sugar?
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The apply functions in R don't provide improved performance over other looping functions (e.g. for). One exception to this is lapply which can be a little faster because it does more work in C code than in R (see this question fo...
What is a NullReferenceException, and how do I fix it?
I have some code and when it executes, it throws a NullReferenceException , saying:
28 Answers
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Is a GUID unique 100% of the time?
..., the total
number of unique keys (2128 or
3.4×1038) is so large that the probability of the same number being
generated twice is very small. For
example, consider the observable
universe, which contains about 5×1022
stars; every star could then have
6.8×1015 universally unique GUIDs.
From Wikip...
Django class-based view: How do I pass additional parameters to the as_view method?
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If your urlconf looks something like this:
url(r'^(?P<slug>[a-zA-Z0-9-]+)/$', MyView.as_view(), name = 'my_named_view')
then the slug will be available inside your view functions (such as 'get_queryset') like this:
self.kwargs['slug']
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Generate a random date between two other dates
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Convert both strings to timestamps (in your chosen resolution, e.g. milliseconds, seconds, hours, days, whatever), subtract the earlier from the later, multiply your random number (assuming it is distributed in the range [0, 1]) with that difference, and ad...
Get Maven artifact version at runtime
I have noticed that in a Maven artifact's JAR, the project.version attribute is included in two files:
10 Answers
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