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Why should I avoid std::enable_if in function signatures
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109
Put the hack in the template parameters.
The enable_if on template parameter approach has at l...
Why is division in Ruby returning an integer instead of decimal value?
...doing integer division. You can make one of the numbers a Float by adding .0:
9.0 / 5 #=> 1.8
9 / 5.0 #=> 1.8
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Open another application from your own (intent)
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Get key by value in dictionary
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edited Mar 30 at 11:13
Georgy
4,77655 gold badges3838 silver badges4646 bronze badges
answ...
Better to 'try' something and catch the exception or test if it's possible first to avoid an excepti
...t isinstance(s, str) or not s.isdigit():
return None
elif len(s) > 10: #too many digits for int conversion
return None
else:
return int(s)
Better (EAFP: Easier to ask for forgiveness than permission):
try:
return int(s)
except (TypeError, ValueError, OverflowError): #int con...
Can I scroll a ScrollView programmatically in Android?
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ScrollView sv = (ScrollView)findViewById(R.id.scrl);
sv.scrollTo(0, sv.getBottom());
or
sv.scrollTo(5, 10);
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How to get the first item from an associative PHP array?
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Abhi Beckert
30.5k1111 gold badges7777 silver badges105105 bronze badges
answered Oct 24 '09 at 6:25
soulmergesoulm...
How to get a list of user accounts using the command line in MySQL?
...t entry.
– Matthew Scharley
Jul 16 '09 at 4:22
5
How to find the same info without sql query ??
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How does a hash table work?
...n the library. The output of the hash calculation could be in the range of 0 to one billion which is a lot higher.
So, what do we do? We use something called modulus calculation, which basically says that if you counted to the number you wanted (i.e. the one billion number) but wanted to stay insid...
How to convert a Base64 string into a Bitmap image to show it in a ImageView?
...EFAULT);
Bitmap decodedByte = BitmapFactory.decodeByteArray(decodedString, 0, decodedString.length);
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