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How to crop an image using PIL?
...o the implied pixel corners; the centre of a pixel addressed as (0, 0) actually lies at (0.5, 0.5).
Coordinates are usually passed to the library as 2-tuples (x, y). Rectangles are represented as 4-tuples, with the upper left corner given first. For example, a rectangle covering all of an 800x600 p...
How to declare Return Types for Functions in TypeScript
...might have two different types return so you could use | (pipe) to declare all the possible return type: function foo(): string|number {}
– Snook
Jun 14 '17 at 11:35
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What do the makefile symbols $@ and $< mean?
...e name of the target being generated, and $< the first prerequisite (usually a source file). You can find a list of all these special variables in the GNU Make manual.
For example, consider the following declaration:
all: library.cpp main.cpp
In this case:
$@ evaluates to all
$< evaluates to...
What is in your .vimrc? [closed]
Vi and Vim allow for really awesome customization, typically stored inside a .vimrc file. Typical features for a programmer would be syntax highlighting, smart indenting and so on.
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Character Limit in HTML
... This is true, but some clients don't check this. This is especcially true for mobile phone based clients.
– Drejc
Sep 22 '08 at 6:31
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Getting result of dynamic SQL into a variable for sql-server
...an output variable to the dynamic statement???
– Tab Alleman
Dec 20 '16 at 16:18
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AsyncTaskLoader vs AsyncTask
...s using onRetainNonConfigurationInstance()
kick the right loader when you call initLoader() in your Activity
You need to use the LoaderManager to interface with the loaders, and provide the needed callbacks to create your loader(s) and populate your views with the data they return.
Generally it ...
What's a standard way to do a no-op in python?
...e those if statements, but for readability I find it helps to include them all, so that if you are looking through the code you can see what happens as a result of each option. How do I code the no-op? Currently, I'm doing it like this:
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:after vs. ::after
...or ::first-letter, things that aren't elements in their own right.
Actually, better description here: http://bricss.net/post/10768584657/know-your-lingo-pseudo-class-vs-pseudo-element
Also here: http://www.evotech.net/blog/2007/05/after-v-after-what-is-double-colon-notation/
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Nginx not picking up site in sites-enabled?
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I had the same problem. It was because I had accidentally used a relative path with the symbolic link.
Are you sure you used full paths, e.g.:
ln -s /etc/nginx/sites-available/example.com.conf /etc/nginx/sites-enabled/example.com.conf
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