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JavaScript: clone a function
...ith '{}' acting as it's new 'this' parameter
However .bind is a modern ( >=iE9 ) feature of JavaScript (with a compatibility workaround from MDN)
Notes
It does not clone the function object additional attached properties, including the prototype property. Credit to @jchook
The new function thi...
Generate GUID in MySQL for existing Data?
...tyPopCountry set id = (select md5(UUID()));
MySQL [imran@lenovo] {world}> select city, id from CityPopCountry limit 10;
+------------------------+----------------------------------+
| city | id |
+------------------------+-------------------------...
Daemon Threads Explanation
...sed another bug and it was abandoned.) Daemon threads may be ok in Python >= 3.2.1, but definitely aren’t in earlier versions."
– clacke
Apr 11 '16 at 12:19
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C# - What does the Assert() method do? Is it still useful?
...aging behavior between testing and release. For example,
Debug.Assert(x > 2)
will only trigger a break if you are running a "debug" build, not a release build.
There's a full example of this behavior here
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Use cases for the 'setdefault' dict method
...fy(self, level, *pargs, **kwargs):
kwargs.setdefault("persist", level >= DANGER)
self.__defcon.set(level, **kwargs)
try:
kwargs.setdefault("name", self.client.player_entity().name)
except pytibia.PlayerEntityNotFound:
pass
return _notify(level, *pargs, **kwargs...
FIND_IN_SET() vs IN()
...ular question already has an accepted answer which gives a well received (>80 votes!) answer. As a new user it might be best to focus on unanswered questions and/or asking good questions yourself.
– cfi
Oct 21 '16 at 7:13
...
Rails: around_* callbacks
...
User.save
before save
in around save
out around save
after_save
=> true
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How do I wrap text in a UITableViewCell without a custom cell
... *strTemp = [mutArr objectAtIndex:indexPath.section];
if ([strTemp length] > 0)
labelSize = [strTemp sizeWithFont: [UIFont boldSystemFontOfSize: 14.0] constrainedToSize: CGSizeMake(labelSize.width, 1000) lineBreakMode: UILineBreakModeWordWrap];
return (labelSize.height + 10);
}
...
What's the difference between commit() and apply() in SharedPreferences
... another editor on this SharedPreferences does a regular commit() while a > apply() is still outstanding, the commit() will block until all async commits are completed as well as the commit itself
Django filter versus get for single object?
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> namely trying to optimize code before it's even been written and profiled This is an interesting remark. I always thought that I should think of the most optional way to implement something before implementing it. Is th...