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Right query to get the current number of connections in a PostgreSQL DB
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233
Those two requires aren't equivalent. The equivalent version of the first one would be:
SELECT...
Resolving conflicts: how to accept “their” changes automatically?
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answered Mar 21 '13 at 11:10
NofflsNoffls
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How can I use “:” as an AWK field separator?
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399
"-F" is a command line argument, not AWK syntax. Try:
echo "1: " | awk -F ":" '/1/ {print $1...
Passing an array as a function parameter in JavaScript
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Michał Perłakowski
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answered May 18 '10 at 9:44
KaptajnKoldK...
Swift Beta performance: sorting arrays
...quicksort_c(l, a + n - l);
}
Both work:
var a_swift:CInt[] = [0,5,2,8,1234,-1,2]
var a_c:CInt[] = [0,5,2,8,1234,-1,2]
quicksort_swift(&a_swift, 0, a_swift.count)
quicksort_c(&a_c, CInt(a_c.count))
// [-1, 0, 2, 2, 5, 8, 1234]
// [-1, 0, 2, 2, 5, 8, 1234]
Both are called in the same pr...
How to “warm-up” Entity Framework? When does it get “cold”?
.... Neither build your inheritance hierarchies too deep nor too wide. Only 2-3 properties specific to some class may not be enough to require an own type, but could be handled as optional (nullable) properties to an existing type.
Don't hold on to a single context for a long time. Each context instan...
The purpose of Model View Projection Matrix
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3
so for several objects (meshes) we need several modelView matrixes, needn't we?
– Yuriy Vikulov
Apr 6...
ViewParam vs @ManagedProperty(value = “#{param.id}”)
...erConverter"). Invoking page by http://example.com/context/user.xhtml?id=123 will pass the id parameter through the converter and set the User object as a bean property.
@ManagedProperty:
Sets the value immediately after bean's construction.
Set value is available during @PostConstruct which allo...
WCF service startup error “This collection already contains an address with scheme http”
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ericvgericvg
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Getting binary content in Node.js using request
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303
+100
OK, af...