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snprintf and Visual Studio 2010
...
#ifndef INSANE_ASPRINTF_H
#define INSANE_ASPRINTF_H
#ifndef __cplusplus
#include <stdarg.h>
#else
#include <cstdarg>
extern "C"
{
#endif
#define insane_free(ptr) { free(ptr); ptr = 0; }
int vasprintf(char **strp, const char *fmt, va_list ap);
int asprintf(char **strp, const char *fmt...
drag drop files into standard html file input
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WebSockets protocol vs HTTP
...several kilobytes of data sent as part of the request (in both directions) including many headers and cookie data. Here is an example of a request/response to using Chrome:
Example request (2800 bytes including cookie data, 490 bytes without cookie data):
GET / HTTP/1.1
Host: www.cnn.com
Connectio...
Using Rails 3.1 assets pipeline to conditionally use certain css
...ie", :media => "all" %>
<![endif]-->
Lastly, don't forget to include these new manifest files in your config/environments/production.rb:
config.assets.precompile += %w( application-all.css application-print.css application-ie.css )
Update:
As Max pointed out, if you follow this str...
What is Python used for? [closed]
...is object oriented, with class-based inheritance. Everything is an object (including classes, functions, modules, etc), in the sense that they can be passed around as arguments, have methods and attributes, and so on.
Python is multipurpose: it is not specialised to a specific target of users (like ...
Why do C and C++ compilers allow array lengths in function signatures when they're never enforced?
... first element of the array is passed instead.
Since the pointer does not include any length information, the contents of your [] in the function formal parameter list are actually ignored.
The decision to allow this syntax was made in the 1970s and has caused much confusion ever since...
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Pointers, smart pointers or shared pointers? [duplicate]
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the term "smart pointer" includes shared pointers, auto pointers, locking pointers and others. you meant to say auto pointer (more ambiguously known as "owning pointer"), not smart pointer.
Dumb pointers (T*) are never the best solution. They make y...
pg_config executable not found
...ages.
sudo apt-get install postgresql postgresql-dev python-dev
And now include the path to your postgresql binary dir with you pip install, this should work for either Debain or RHEL based Linux:
sudo PATH=$PATH:/usr/pgsql-9.3/bin/ pip install psycopg2
Make sure to include the correct path. T...
Domain Driven Design: Domain Service, Application Service
...tation can be used by your applications that utilize your domain model, by including the infrastructure assembly.
Application
Note that I haven't mentioned application services yet. We'll look at those now. Let's say we want to provide an IExchangeRateService implementation that uses a cache for s...
Allowed characters in Linux environment variable names
...icitly specified for variable names with meaning to POSIX-specified tools, including the shell; names with at least one lower-case character are explicitly reserved for application use. Thus, best practice is actually to include at least one lower-case character in your applications' variable names ...