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Is the pImpl idiom really used in practice?
...ing compilation) is lost.
Is a good paradigm for classic OOP (inheritance based) but not for generic programming (specialization based).
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Difference between a Structure and a Union
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@user12345613 unions can be used as a sort of base class for structs. You can emulate an OO hierarchy using unions of structs
– Morten Jensen
Mar 12 '13 at 21:57
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Faye vs. Socket.IO (and Juggernaut)
... WebSocket dies.
Please correct me if I've got any of this wrong - this is based on a cursory scan of the Socket.IO documentation.
Faye is just pub/sub, it's just based on a slightly more complex protocol and has a lot of niceties built in:
Server- and client-side extensions
Wildcard pattern-matc...
Hashing a dictionary?
...nto nested tuples and make_hash_sha256() will also convert the repr() to a base64 encoded SHA256 hash.
import hashlib
import base64
def make_hash_sha256(o):
hasher = hashlib.sha256()
hasher.update(repr(make_hashable(o)).encode())
return base64.b64encode(hasher.digest()).decode()
def m...
How to use the same C++ code for Android and iOS?
...lementation:
#include <string.h>
#include "Core.h"
const char *CPP_BASE_STRING = "cpp says hello to %s";
const char *concatenateMyStringWithCppString(const char *myString) {
char *concatenatedString = new char[strlen(CPP_BASE_STRING) + strlen(myString)];
sprintf(concatenatedString, ...
How to set session timeout in web.config
...use Roles & Membership classes provided by ASP.NET. They provide Forms-based authentication which is much more reliabletha the normal Session-based authentication you are trying to use.
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Embedding Python in an iPhone app
...be cross-compiling python for ARM from your 86 box. Python is an autoconf based project and autoconf is a pain in the butt for cross-compilation.
As you correctly state, making it small will be critical.
Not surprising, either, is that you aren't the first person to want to do this, but not for i...
CSS3 transform not working
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In webkit-based browsers(Safari and Chrome), -webkit-transform is ignored on inline elements.. Set display: inline-block; to make it work. For demonstration/testing purposes, you may also want to use a negative angle or a transformatio...
MySQL ERROR 1045 (28000): Access denied for user 'bill'@'localhost' (using password: YES)
...ful with this workaround. You may be allowing anonymous access to your database from any location. In case of doubt, I would rather delete the user.
– RandomSeed
Oct 3 '13 at 14:30
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Override intranet compatibility mode IE8
... you uncheck this that should resolve the problem and IE will use the mode based on the DOCTYPE.
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