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How does free know how much to free?
...n this, and includes extra information that records (at least) how big the block is. You can't (reliably) access that other information - and nor should you :-).
When you call free(), it simply looks at the extra information to find out how big the block is.
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Difference in make_shared and normal shared_ptr in C++
...p-allocations happen?
std::shared_ptr manages two entities:
the control block (stores meta data such as ref-counts, type-erased deleter, etc)
the object being managed
std::make_shared performs a single heap-allocation accounting for the space necessary for both the control block and the data. I...
NodeJS: Saving a base64-encoded image to disk
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UPDATE
I found this interesting link how to solve your problem in PHP. I think you forgot to replace space by +as shown in the link.
I took this circle from http://images-mediawiki-sites.thefullwiki.org/04/1/7/5/6204600836255205.png as sample which looks like:
Next I put it through htt...
Should MySQL have its timezone set to UTC?
...negative values from FROM_UNIXTIME
Sources:
https://bugs.mysql.com/bug.php?id=68861
http://dev.mysql.com/doc/refman/5.0/en/date-and-time-functions.html
http://dev.mysql.com/doc/refman/5.1/en/datetime.html
http://en.wikipedia.org/wiki/Coordinated_Universal_Time
http://shafiqissani.wordpress.com/2...
How to send a header using a HTTP request through a curl call?
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In PHP:
curl_setopt($ch, CURLOPT_HTTPHEADER, array('HeaderName:HeaderValue'));
or you can set multiple:
curl_setopt($ch, CURLOPT_HTTPHEADER, array('HeaderName:HeaderValue', 'HeaderName2:HeaderValue2'));
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Nginx 403 forbidden for all files
I have nginx installed with PHP-FPM on a CentOS 5 box, but am struggling to get it to serve any of my files - whether PHP or not.
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Why does Razor _layout.cshtml have a leading underscore in file name?
...ecurity functionality. See the web.config in the Views folder that already blocks all cshtml and aspx files, underscore or not (sets up System.Web.HttpNotFoundHandler for them).
– Michael Stum♦
Jul 2 '17 at 21:58
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Sort an Array by keys based on another Array?
Is it possible in PHP to do something like this? How would you go about writing a function? Here is an example. The order is the most important thing.
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Input with display:block is not a block, why not?
Why does display:block;width:auto; on my text input not behave like a div and fill the container width?
7 Answers
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How do you pass arguments to define_method?
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The block that you pass to define_method can include some parameters. That's how your defined method accepts arguments. When you define a method you're really just nicknaming the block and keeping a reference to it in the class...