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How to decide when to use Node.js?
...out how good Node.js is. Considering how much I love working with jQuery and JavaScript in general, I can't help but wonder how to decide when to use Node.js. The web application I have in mind is something like Bitly - takes some content, archives it.
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Database development mistakes made by application developers [closed]
...using it anyway.
More here:
How important are constraints like NOT NULL and FOREIGN KEY if I’ll always control my database input with php?
Are foreign keys really necessary in a database design?
Are foreign keys really necessary in a database design?
3. Using natural rather than surrogate (te...
Database cluster and load balancing
... be on 2 different servers how do they keep the data between synchronized. And how does this differ from load balancing from a database server perspective?
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Length of string in bash
How do you get the length of a string stored in a variable and assign that to another variable?
8 Answers
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How can I split a JavaScript string by white space or comma?
...'s both more strict than what I suggest (only one comma allowed, in front) and more loose (split on all whitespace) than what the OP asked for. IMHO it would be simply worse -- consider the input spaces , before commas.
– Jon
Apr 27 '12 at 7:52
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What is the explicit promise construction antipattern and how do I avoid it?
...ls to utilize the fact that promises chain.
Promises can chain with .then and you can return promises directly. Your code in getStuffDone can be rewritten as:
function getStuffDone(param){
return myPromiseFn(param+1); // much nicer, right?
}
Promises are all about making asynchronous code mo...
What are the differences between Perl, Python, AWK and sed? [closed]
just want to know what are the main differences among them? and the power of each language (where it's better to use it).
5...
How do I compare two strings in Perl?
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See perldoc perlop. Use lt, gt, eq, ne, and cmp as appropriate for string comparisons:
Binary eq returns true if the left argument is stringwise equal to the right argument.
Binary ne returns true if the left argument is stringwise not equal to the right argument....
What is the difference between BIT and TINYINT in MySQL?
...NT is an 8-bit integer value, a BIT field can store between 1 bit, BIT(1), and 64 bits, BIT(64). For a boolean values, BIT(1) is pretty common.
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Evaluating a mathematical expression in a string
...ppend(toks[0])
def pushUMinus(self, strg, loc, toks):
if toks and toks[0] == '-':
self.exprStack.append('unary -')
def __init__(self):
"""
expop :: '^'
multop :: '*' | '/'
addop :: '+' | '-'
integer :: ['+' | '-'] '0'..'9'+
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