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Understanding Node.js modules: multiple requires return the same object?
... Petr StodulkaPetr Stodulka
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What's the function like sum() but for multiplication? product()?
...in the math module:
>>> import math
>>> math.factorial(10)
3628800
Alternative with logarithms
If your data consists of floats, you can compute a product using sum() with exponents and logarithms:
>>> from math import log, exp
>>> data = [1.2, 1.5, 2.5, 0.9, 14...
How to count instances of character in SQL Column
I have an sql column that is a string of 100 'Y' or 'N' characters. For example:
16 Answers
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Get month name from number
...see that calendar.month_name[3] would return March, and the array index of 0 is the empty string, so there's no need to worry about zero-indexing either.
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Determine if string is in list in JavaScript
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You can call indexOf:
if (['a', 'b', 'c'].indexOf(str) >= 0) {
//do something
}
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What does “Content-type: application/json; charset=utf-8” really mean?
...could still represent non-Latin1 characters using escape sequences like \u20AC.
– dan04
Feb 13 '12 at 13:28
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How can I send an email by Java application using GMail, Yahoo, or Hotmail?
...h];
// To get the array of addresses
for( int i = 0; i < to.length; i++ ) {
toAddress[i] = new InternetAddress(to[i]);
}
for( int i = 0; i < toAddress.length; i++) {
message.addRecipient(Message.RecipientType.TO,...
Remove empty strings from a list of strings
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1203
I would use filter:
str_list = filter(None, str_list)
str_list = filter(bool, str_list)
str_li...
How to delete duplicates on a MySQL table?
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answered Apr 13 '10 at 14:52
user187291user187291
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Check if a div exists with jquery [duplicate]
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karim79karim79
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