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How is “=default” different from “{}” for default constructor and destructor?
...e constructors/assignment, destructors etc) means something very different from simply doing {}. With the latter, the function becomes "user-provided". And that changes everything.
This is a trivial class by C++11's definition:
struct Trivial
{
int foo;
};
If you attempt to default construct o...
Failure [INSTALL_FAILED_ALREADY_EXISTS] when I tried to update my application
...
adb install -r does not always work (I've got an EVO 4G from Sprint that refuses to behave as expected). The only work around I've found is to remove the application manually. Sometimes, I even have to do it through the phone's UI because the EVO is so temperamental.
...
Is there auto type inferring in Java?
...t this was closed as "Will not fix", reason given was :
Humans benefit from the redundancy of the type declaration in two ways.
First, the redundant type serves as valuable documentation - readers do not
have to search for the declaration of getMap() to find out what type it
r...
Node.js quick file server (static files over HTTP)
...ng at http://127.0.0.1:8125/');
UPDATE
If you need to access your server from external demand/file, you need to overcome the CORS, in your node.js file by writing the below, as I mentioned in a previous answer here
// Website you wish to allow to connect
response.setHeader('Access-Control-Allow-O...
How to get the position of a character in Python?
...;stdin>", line 1, in <module>
ValueError: substring not found
From the Python manual
string.find(s, sub[, start[, end]])
Return the lowest index in s where the substring sub is found such that sub is wholly contained in s[start:end]. Return -1 on failure. Defaults for start and en...
Insert HTML with React Variable Statements (JSX)
... rendering is XSS (cross-site scripting) safe.
Example:
import DOMPurify from 'dompurify'
const thisIsMyCopy = '<p>copy copy copy <strong>strong copy</strong></p>';
render: function() {
return (
<div className="content" dangerouslySetInnerHTML={{__html: DO...
Meaning of tilde in Linux bash (not home directory)
...sh, for example.
To answer your question about where the information comes from: your home directory comes from the variable $HOME (no matter what you store there), while other user's homes are retrieved real-time using getpwent(). This function is usually controlled by NSS; so by default values are...
Wrap long lines in Python [duplicate]
...t's true of all platforms or Python distributions. I received some output from a user where everything after the first line was not printed. My code was like the above, sans backslash.
– BHSPitMonkey
Jul 1 '13 at 18:49
...
Not receiving Google OAuth refresh token
I want to get the access token from Google. The Google API says that to get the access token, send the code and other parameters to token generating page, and the response will be a JSON Object like :
...
Alarm Manager Example
...t.ALARM_SERVICE);
alarmManager.cancel(sender);
}
}
Set Alarm from Service:
package yourPackage;
import android.app.Service;
import android.content.Context;
import android.content.Intent;
import android.os.IBinder;
public class YourService extends Service
{
Alarm alarm = new Alar...