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Underscore: sortBy() based on multiple attributes
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11 Answers
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How to get 0-padded binary representation of an integer in java?
for example, for 1, 2, 128, 256 the output can be (16 digits):
17 Answers
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awk without printing newline
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awk '{sum+=$3}; END {printf "%f",sum/NR}' ${file}_${f}_v1.xls >> to-plot-p.xls
print will insert a newline by default. You dont want that to happen, hence use printf instead.
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ASP.NET Identity's default Password Hasher - How does it work and is it secure?
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using (Rfc2898DeriveBytes bytes = new Rfc2898DeriveBytes(password, 0x10, 0x3e8))
{
salt = bytes.Salt;
buffer2 = bytes.GetBytes(0x20);
}
byte[] dst = new byte[0x31];
Buffer.BlockCopy(salt, 0, dst, 1, 0x10);
Buffer.BlockCopy(buffer2, 0, dst, 0x11, 0x20);
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How do I find if a string starts with another string in Ruby?
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edited Jan 11 '13 at 23:53
the Tin Man
147k3131 gold badges192192 silver badges272272 bronze badges
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Using [UIColor colorWithRed:green:blue:alpha:] doesn't work with UITableView seperatorColor?
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211
You need to divide by 255.0
Because I hardly ever use values between 1.0 and 0.0, I created a ...
Check for array not empty: any?
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251
any? isn't the same as not empty? in some cases.
>> [nil, 1].any?
=> true
>> [ni...
How to remove space between axis & area-plot in ggplot2?
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197
Update: See @divibisan's answer for further possibilities in the latest versions of ggplot2.
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Numpy how to iterate over columns of array?
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answered Apr 13 '12 at 21:59
tillstentillsten
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what is faster: in_array or isset? [closed]
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119
The answers so far are spot-on. Using isset in this case is faster because
It uses an O(1) h...