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(-2147483648> 0) returns true in C++?
...ndefined anyway.
As a side note, this is the reason why constants like INT_MIN are typically defined as
#define INT_MIN (-2147483647 - 1)
instead of the seemingly more straightforward
#define INT_MIN -2147483648
The latter would not work as intended.
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Is std::unique_ptr required to know the full definition of T?
...brary require that they be instantiated with complete types. However shared_ptr and unique_ptr are partial exceptions. Some, but not all of their members can be instantiated with incomplete types. The motivation for this is to support idioms such as pimpl using smart pointers, and without risking un...
Failed to execute goal org.apache.maven.plugins:maven-surefire-plugin:2.10:test
... Java 8 so they were failing. My error was resolved after changing jdk1.8.0_92 to jdk1.7.0_80.
The build would succeed with mvn clean install -DskipTests but this will skip the unit tests. So just ensure that you run then separately after the build is complete.
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Android – Listen For Incoming SMS Messages
... stub
if(intent.getAction().equals("android.provider.Telephony.SMS_RECEIVED")){
Bundle bundle = intent.getExtras(); //---get the SMS message passed in---
SmsMessage[] msgs = null;
String msg_from;
if (bundle != null){
...
How to detect shake event with android?
...quire a SensorManager:
sensorMgr = (SensorManager) getSystemService(SENSOR_SERVICE);
And register this sensor with desired flags:
sensorMgr.registerListener(this,
SensorManager.SENSOR_ACCELEROMETER,
SensorManager.SENSOR_DELAY_GAME);
In your onSensorChange() method, you determine whether it’s...
What is the proper #include for the function 'sleep()'?
...
this is what I use for a cross-platform code:
#ifdef _WIN32
#include <Windows.h>
#else
#include <unistd.h>
#endif
int main()
{
pollingDelay = 100
//do stuff
//sleep:
#ifdef _WIN32
Sleep(pollingDelay);
#else
usleep(pollingDelay*1000); /* sleep for 10...
Switching to landscape mode in Android Emulator
...h to previous layout orientation (for example, portrait, landscape):
KEYPAD_7, Ctrl + F11
Switch to next layout orientation (for example, portrait, landscape):
KEYPAD_9, Ctrl + F12
From docs.
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How to validate IP address in Python? [duplicate]
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Don't parse it. Just ask.
import socket
try:
socket.inet_aton(addr)
# legal
except socket.error:
# Not legal
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C++ catching all exceptions
...s, but it should be considered bad design. You can use c++11's new current_exception mechanism, but if you don't have the ability to use c++11 (legacy code systems requiring a rewrite), then you have no named exception pointer to use to get a message or name. You may want to add separate catch cl...
Difference Between One-to-Many, Many-to-One and Many-to-Many?
...ate is the one side and City is the many side. There will be a column state_id in the table cities.
In unidirectional, Person class will have List<Skill> skills but
Skill will not have Person person. In bidirectional, both
properties are added and it allows you to access a Person given a
ski...