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How do I pass JavaScript variables to PHP?
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@sergey, so i need to use ajax? Actually, i'm familliar with that.
– SUN Jiangong
Dec 18 '09 at 10:08
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What is copy-on-write?
...gy used in computer programming. The fundamental idea is that if multiple callers ask for resources which are initially indistinguishable, you can give them pointers to the same resource. This function can be maintained until a caller tries to modify its "copy" of the resource, at which point a true...
How to get a ListBox ItemTemplate to stretch horizontally the full width of the ListBox?
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Actually this solution doesn't work in Silverlight for some reason. Gabriel's solution on the other hand does
– TimothyP
May 23 '11 at 8:55
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Why are joins bad when considering scalability?
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Scalability is all about pre-computing (caching), spreading out, or paring down the repeated work to the bare essentials, in order to minimize resource use per work unit. To scale well, you don't do anything you don't need to in volume, and...
Mongoose subdocuments vs nested schema
...still have the same subdocument structure.
– Martin Hallén
Jul 9 '14 at 9:17
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you should also c...
How to make my custom type to work with “range-based for loops”?
...hanges, and compilers that do not.
The objects returned do not have to actually be iterators. The for(:) loop, unlike most parts of the C++ standard, is specified to expand to something equivalent to:
for( range_declaration : range_expression )
becomes:
{
auto && __range = range_expressi...
Resize image in PHP
I'm wanting to write some PHP code which automatically resizes any image uploaded via a form to 147x147px, but I have no idea how to go about it (I'm a relative PHP novice).
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print call stack in C or C++
Is there any way to dump the call stack in a running process in C or C++ every time a certain function is called? What I have in mind is something like this:
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How to specify different Debug/Release output directories in QMake .pro file
...ke things even easier to switch around, only define your DESTDIRs conditionally, and then use that value in all your other paths: OBJECTS_DIR = $${DESTDIR}/.obj. Cheers!
– Xavier Holt
Mar 7 '12 at 4:16
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How to solve PHP error 'Notice: Array to string conversion in…'
...n $_POST['C']. So when you echo that, you are trying to print an array, so all it does is print Array and a notice.
To print properly an array, you either loop through it and echo each element, or you can use print_r.
Alternatively, if you don't know if it's an array or a string or whatever, you c...