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How to write PNG image to string with the PIL?
...le format, so in this case you can use format=image.format.
In old Python 2 versions before introduction of the io module you would have used the StringIO module instead.
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Exporting functions from a DLL with dllexport
...orm you can define LIBRARY_API as nothing when not on Windows:
#ifdef _WIN32
# ifdef LIBRARY_EXPORTS
# define LIBRARY_API __declspec(dllexport)
# else
# define LIBRARY_API __declspec(dllimport)
# endif
#elif
# define LIBRARY_API
#endif
When using dllexport/dllimport you do...
How to uncompress a tar.gz in another directory
...
324
You can use the option -C (or --directory if you prefer long options) to give the target direct...
Coloring white space in git-diff's output
... use:
git df <file>
To see the changes in red.
Note that with Git 2.11 (Q4 2016), this alias might be replaced with:
git config diff.wsErrorHighlight all
See doc on git diff and on git config.
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How to get a reference to a module inside the module itself?
...
218
import sys
current_module = sys.modules[__name__]
...
How do I comment in CoffeeScript? “/* this */” doesn't work
...
269
Use a single # sign
# like this
One character seems pretty minimal ;)
Also:
###
This bl...
Are static fields inherited?
...es it OK, i.e.:
class A
{
public:
static int MaxHP;
};
int A::MaxHP = 23;
class Cat: A
{
public:
static const int MaxHP = 100;
};
works fine and with different values for A::MaxHP and Cat::MaxHP -- in this case the subclass is "not inheriting" the static from the base class, since, so to...
CSS media queries: max-width OR max-height
...
962
Use a comma to specify two (or more) different rules:
@media screen and (max-width: 995px) , sc...
What's to stop malicious code from spoofing the “Origin” header to exploit CORS?
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edited May 2 '17 at 13:36
Joshua Taylor
79.1k99 gold badges129129 silver badges287287 bronze badges
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Error :Request header field Content-Type is not allowed by Access-Control-Allow-Headers
I created an mvc4 web api project using vS2012. I used following tutorial to solve the Cross-Origin Resource Sharing, "http://blogs.msdn.com/b/carlosfigueira/archive/2012/07/02/cors-support-in-asp-net-web-api-rc-version.aspx". It is working successfully, and i post data from client side to server s...