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How do I implement a callback in PHP?
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With PHP 5.3, you can now do this:
function doIt($callback) { $callback(); }
doIt(function() {
// this will be done
});
Finally a nice way to do it. A great addition to PHP, because callbacks are awesome.
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How do I expand a tuple into variadic template function's arguments?
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all the tr1 stuff can get taken out now with c++11
– Ryan Haining
Sep 12 '13 at 4:58
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show 1 more co...
How do you reference a capture group with regex find and replace in Visual Studio 2012, 2013, 2015,
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To be more general, VS2012 now uses the standard .Net regex engine.
– SLaks
Jun 19 '13 at 14:33
4
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Associative arrays in Shell scripts
...ys that are built in to the shell. This should work in bash 4.0 (available now on most major distros, though not on OS X unless you install it yourself), ksh, and zsh:
declare -A newmap
newmap[name]="Irfan Zulfiqar"
newmap[designation]=SSE
newmap[company]="My Own Company"
echo ${newmap[company]}
e...
Cannot pass null argument when using type hinting
...roblem I have with this is that it changes the definition of the function. Now the parameter is optional - which isn't really what the author intended (although, if he is passing it null, it is implicitly optional).
– crush
Jan 29 '13 at 13:35
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How can I select and upload multiple files with HTML and PHP, using HTTP POST?
...t explained the PHP part. Over time, this became a popular answer, so I've now expanded to cover both HTML and PHP.
– Mark E. Haase
Mar 7 '15 at 17:26
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The specified type member 'Date' is not supported in LINQ to Entities Exception
... Note that EntityFunctions is deprecated in EF6, you should now use DbFunctions.
– Julien N
Jan 8 '14 at 14:15
2
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Mongoose indexing in production code
...hen you define (compile) your model. I do that when I first start the app. Now the hard think is to decide to drop all indexes and recreate them, in case you schema changes.
– Moss
Jul 31 '13 at 12:15
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Locking pattern for proper use of .NET MemoryCache
...urn cachedString;
}
//The value still did not exist so we now write it in to the cache.
var expensiveString = SomeHeavyAndExpensiveCalculation();
CacheItemPolicy cip = new CacheItemPolicy()
{
AbsoluteExp...
File path to resource in our war/WEB-INF folder?
...he FAQs that you can read a file from there in a servlet context. I don't know how to form the path to the resource though:
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