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PHP: If internet explorer 6, 7, 8 , or 9
...mp;& $B['v'] <= 8) {
// Browsers IE 8 and below
} else {
// All other browsers
}
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How do I expand a tuple into variadic template function's arguments?
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Here's my code if anyone is interested
Basically at compile time the compiler will recursively unroll all arguments in various inclusive function calls <N> -> calls <N-1> -> calls ... -> calls <0> which is the last one and the compiler will o...
How to deal with cyclic dependencies in Node.js
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While node.js does allow circular require dependencies, as you've found it can be pretty messy and you're probably better off restructuring your code to not need it. Maybe create a third class that uses the other two to accomplish what you nee...
AJAX Mailchimp signup form integration
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You don't need an API key, all you have to do is plop the standard mailchimp generated form into your code ( customize the look as needed ) and in the forms "action" attribute change post?u= to post-json?u= and then at the end of the forms action appen...
Inject errors into already validated form?
...external) process for further processing. This external process can potentially find further errors in the values.
4 Answer...
Is there a performance difference between CTE , Sub-Query, Temporary Table or Table Variable?
...s not seem to take advantage of this basic optimization method (you might call this common subquery elimination).
Temporary tables are a different matter, because you are providing more guidance on how the query should be run. One major difference is that the optimizer can use statistics from the ...
How to check if an email address exists without sending an email?
...here are two methods you can sometimes use to determine if a recipient actually exists:
You can connect to the server, and issue a VRFY command. Very few servers support this command, but it is intended for exactly this. If the server responds with a 2.0.0 DSN, the user exists.
VRFY user
You can...
Best way to merge two maps and sum the values of same key?
...mutable.Map[Int,Int] = Map(1 -> 109, 3 -> 300, 2 -> 20)
Specifically, the binary operator for Map[K, V] combines the keys of the maps, folding V's semigroup operator over any duplicate values. The standard semigroup for Int uses the addition operator, so you get the sum of values for eac...
Why does X[Y] join of data.tables not allow a full outer join, or a left join?
...Y) does both ways at the same time. The number of rows of X[Y] and Y[X] usually differ, whereas the number of rows returned by merge(X,Y) and merge(Y,X) is the same.
BUT that misses the main point. Most tasks require something to be done on the
data after a join or merge. Why merge all the co...
Validating with an XML schema in Python
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lxml is pure python or not? (does require compilation/installation or you can just include it with your python scripts)
– sorin
Jun 14 '10 at 14:08
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