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Function Pointers in Java
...ass implementing an interface, e.g.
Collections.sort(list, new Comparator<MyClass>(){
public int compare(MyClass a, MyClass b)
{
// compare objects
}
});
Update: the above is necessary in Java versions prior to Java 8. Now we have much nicer alternatives, namely lambdas:...
Can you 'exit' a loop in PHP?
...break; /* You could also write 'break 1;' here. */
}
echo "$val<br />\n";
}
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How to start new activity on button click
...d.
}
Don't forget to add your new activity in the AndroidManifest.xml:
<activity android:label="@string/app_name" android:name="NextActivity"/>
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What happens if you call erase() on a map element while iterating from begin to end?
...lling erase. At this point it is too late and is already invalidated.
map<string, SerialdMsg::SerialFunction_t>::iterator pm_it = port_map.begin();
while(pm_it != port_map.end())
{
if (pm_it->second == delete_this_id)
{
port_map.erase(pm_it++); // Use iterator.
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How to convert JSON string to array
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@RahulMehta If you're using PHP's built-in json_decode() it will return NULL if your JSON is invalid (for example, no quoted keys). That's what the documentation says and that's what my PHP 5.2 installation returns. Are you using a function other than the offi...
How do you remove an invalid remote branch reference from Git?
...te prune public
prune
Deletes all stale tracking branches under <name>. These stale branches have already been removed from the remote repository referenced by <name>, but are still locally available in "remotes/<name>".
With --dry-run option, report what branches wi...
Download data url file
...
Ideas:
Try a <a href="data:...." target="_blank"> (Untested)
Use downloadify instead of data URLs (would work for IE as well)
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Unable to login to SQL Server + SQL Server Authentication + Error: 18456
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By default login failed error message is nothing but a client user connection has been refused by the server due to mismatch of login credentials. First task you might check is to see whether that user has relevant privileges on that...
What is the difference between ArrayList.clear() and ArrayList.removeAll()?
Assuming that arraylist is defined as ArrayList<String> arraylist , is arraylist.removeAll(arraylist) equivalent to arraylist.clear() ?
...
What are attributes in .NET?
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For what it's worth, this is a list of all (built in) .NET attributes: msdn.microsoft.com/en-us/library/aa311259(VS.71).aspx
– wprl
Sep 28 '08 at 0:37
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