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How can I detect when an Android application is running in the emulator?
...
Based on hints from other answers, this is probably the most robust way:
isEmulator = "goldfish".equals(Build.HARDWARE)
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How do I find where JDK is installed on my windows machine?
...ok at HKLM\SOFTWARE\JavaSoft\Java Runtime Environment and HKLM\SOFTWARE\Wow6432Node\JavaSoft\Java Runtime Environment for 32-bit java on 64 bit Windows.
This is how java itself finds out different versions installed. And this is why both 32-bit and 64-bit version can co-exist and works fine without...
Is it better to use std::memcpy() or std::copy() in terms to performance?
...of std::copy over memcpy: 2.99%
My compiler is gcc 4.6.3 on Fedora 16 x86_64. My optimization flags are -Ofast -march=native -funsafe-loop-optimizations.
Code for my SHA-2 implementations.
I decided to run a test on my MD5 implementation as well. The results were much less stable, so I decided to...
Get path of executable
...lt;boost/tokenizer.hpp>
#if (BOOST_VERSION > BOOST_VERSION_NUMBER(1,64,0))
# include <boost/process.hpp>
#endif
#if (BOOST_OS_CYGWIN || BOOST_OS_WINDOWS)
# include <Windows.h>
#endif
#include <boost/executable_path.hpp>
#include <boost/detail/executable_path_internals...
contenteditable change events
...e is a more efficient version which uses on for all contenteditables. It's based off the top answers here.
$('body').on('focus', '[contenteditable]', function() {
const $this = $(this);
$this.data('before', $this.html());
}).on('blur keyup paste input', '[contenteditable]', function() {
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WCF - How to Increase Message Size Quota
...ld allow for a distributed DOS attack to be effective, the default size of 64k would require a very large number of clients to overpower most servers these days.
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Creating email templates with Django
...r example, you would register your email :
from simple_mail.mailer import BaseSimpleMail, simple_mailer
class WelcomeMail(BaseSimpleMail):
email_key = 'welcome'
def set_context(self, user_id, welcome_link):
user = User.objects.get(id=user_id)
return {
'user': ...
C++ Tuple vs Struct
...y BOOST_FUSION_ADAPT_STRUCT.
Ripping from the page: ABRACADBRA
namespace demo
{
struct employee
{
std::string name;
int age;
};
}
// demo::employee is now a Fusion sequence
BOOST_FUSION_ADAPT_STRUCT(
demo::employee
(std::string, name)
(int, age))
This mea...
How to allocate aligned memory only using the standard library?
... allocate a space in which 1024 bytes of data can be stored, and where the base address is a multiple of 16 bytes". If the interviewer really meant how can you allocate 1024 bytes (only) and have it 16-byte aligned, then the options are more limited.
Clearly, one possibility is to allocate 1024 b...
How to determine an interface{} value's “real” type?
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I'm going to offer up a way to return a boolean based on passing an argument of a reflection Kinds to a local type receiver (because I couldn't find anything like this).
First, we declare our anonymous type of type reflect.Value:
type AnonymousType reflect.Value
Then w...