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Is it possible to declare two variables of different types in a for loop?
... allows us to unpack a tuple like so:
for (auto [i, f, s] = std::tuple{1, 1.0, std::string{"ab"}}; i < N; ++i, f += 1.5) {
// ...
}
The above will give you:
int i set to 1
double f set to 1.0
std::string s set to "ab"
Make sure to #include <tuple> for this kind of declaration.
Y...
How to get the system uptime in Windows? [closed]
...-V display version
C:\uptimefromcodeplex\> uptime -V
version 1.1.0
3.1: By using the old Uptime Utility
There is an older version of the "uptime.exe" utility. This has the advantage of NOT needing .NET. (It also has a lot more features beyond simple uptime.)
Download link: Windows NT 4.0 S...
Remove duplicate dict in list in Python
...ed Jul 17 '18 at 15:26
Jean-François Fabre♦
122k1111 gold badges9797 silver badges156156 bronze badges
answered Feb 24 '12 at 7:51
...
Test whether string is a valid integer
...
For portability to pre-Bash 3.1 (when the =~ test was introduced), use expr.
if expr "$string" : '-\?[0-9]\+$' >/dev/null
then
echo "String is a valid integer."
else
echo "String is not a valid integer."
fi
expr STRING : REGEX searches for REG...
How do I implement interfaces in python?
... __metaclass__ = ABCMeta
@classmethod
def version(self): return "1.0"
@abstractmethod
def show(self): raise NotImplementedError
class MyServer(IInterface):
def show(self):
print 'Hello, World 2!'
class MyBadServer(object):
def show(self):
print 'Damn you, ...
How do detect Android Tablets in general. Useragent?
... @yoavf: That appears to have been fixed with the XOOM's Android 3.1 update. I own a XOOM and just tested it -- no "mobile".
– CommonsWare
Jun 16 '11 at 11:18
27
...
Very simple log4j2 XML configuration file using Console and File appender
...
<?xml version="1.0" encoding="UTF-8"?>
<Configuration status="INFO">
<Appenders>
<Console name="Console" target="SYSTEM_OUT">
<PatternLayout pattern="%d{HH:mm:ss.SSS} [%t] %-5level %logger{36}...
What is an idiomatic way of representing enums in Go?
... You can use iota + 1 to not begin at 0.
– Marçal Juan
Jul 25 '14 at 8:32
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show 2 more comments
...
How to detect shake event with android?
...KE_COUNT = 3;
private SensorManager mSensorMgr;
private float mLastX=-1.0f, mLastY=-1.0f, mLastZ=-1.0f;
private long mLastTime;
private OnShakeListener mShakeListener;
private Context mContext;
private int mShakeCount = 0;
private long mLastShake;
private long mLastForce;
public ...
Tablet or Phone - Android
...ng res/layout/ contains your layout files for handsets)
<?xml version="1.0" encoding="utf-8"?>
<resources>
<string name="screen_type">phone</string>
</resources>
File res/values-sw600dp/screen.xml (assuming res/layout-sw600dp/ contains your layout files for small ...