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SQL Server - transactions roll back on error?
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Greg B
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answered Nov 17 '09 at 15:47
user121301user121301
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Fastest way to determine if an integer's square root is an integer
...t obvious answers. This includes negative numbers and looking at the last 4 bits. (I found looking at the last six didn't help.) I also answer yes for 0. (In reading the code below, note that my input is int64 x.)
if( x < 0 || (x&2) || ((x & 7) == 5) || ((x & 11) == 8) )
retu...
JavaScript + Unicode regexes
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TomalakTomalak
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Fastest way to reset every value of std::vector to 0
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Qix - MONICA WAS MISTREATED
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answered Jan 13 '12 at 9:49
Cat Plus PlusCat...
Why isn't my Pandas 'apply' function referencing multiple columns working? [closed]
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Seems you forgot the '' of your string.
In [43]: df['Value'] = df.apply(lambda row: my_test(row['a'], row['c']), axis=1)
In [44]: df
Out[44]:
a b c Value
0 -1.674308 foo 0.343801 0.044698
1 -2.163236 bar -2.04...
How do I use CSS in Django?
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48
If you're using the development server follow the django project's how-to guide for managing st...
How to read data when some numbers contain commas as thousand separator?
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143
Not sure about how to have read.csv interpret it properly, but you can use gsub to replace "," ...
How to compute the sum and average of elements in an array?
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edited Oct 20 '14 at 15:27
Manolis
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answered Apr 28 '12 at...
How to fix Array indexOf() in JavaScript for Internet Explorer browsers
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Josh StodolaJosh Stodola
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What is “2's Complement”?
...th 1111 - that's the "complement" part).
Let's try it with a mini-byte of 4 bits (we'll call it a nibble - 1/2 a byte).
0000 - zero
0001 - one
0010 - two
0011 - three
0100 to 0111 - four to seven
That's as far as we can go in positives. 23-1 = 7.
For negatives:
1111 - negative one
1110 - negativ...