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How can one check to see if a remote file exists using PHP?
...$ch);
$retcode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
// $retcode >= 400 -> not found, $retcode = 200, found.
curl_close($ch);
Anyway, you only save the cost of the HTTP transfer, not the TCP connection establishment and closing. And being favicons small, you might not see much improvement...
Internal typedefs in C++ - good style or bad style?
...its classes (cf. Boost.Graph), because these do not exclude built-in types from modelling the concept and because it makes adapting types that were not designed with the given template libraries' concepts in mind easier.
Don't use the STL as a reason to make the same mistakes.
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Why is subtracting these two times (in 1927) giving a strange result?
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Can I change all my http:// links to just //?
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I've found from my logs instances of what seem to be web spider robots (source unknown) trying to use the protocol-less links and not handling them correctly as well.
– Kzqai
Oct 13 '11 at 16:25
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Understanding the basics of Git and GitHub [closed]
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You did some debugging. Before you commit you always look at the changes from the last commit. You see your debug print statement that you forgot to delete.
Make sure you check gitimmersion.com.
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C state-machine design [closed]
..., see below):
#define ST_ANY -1
#define ST_INIT 0
#define ST_ERROR 1
#define ST_TERM 2
: :
#define EV_ANY -1
#define EV_KEYPRESS 5000
#define EV_MOUSEMOVE 5001
Then you define all the functions that are called by the trans...
Can I add extension methods to an existing static class?
...h. Should the "container" actually be responsible for interpreting itself from the configuration file? Normally I simply have ConfigurationSectionHandler and cast the output from ConfigurationManager to the appropriate class and don't bother with the wrapper.
– tvanfosson
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In Python, what happens when you import inside of a function? [duplicate]
...there is a name clash or other reason you don't want the module or symbols from the module available everywhere, you may only want to import it in a specific function. (Of course, there's always from my_module import my_function as f for those cases.)
In general practice, it's probably not that ben...
What are all the valid self-closing elements in XHTML (as implemented by the major browsers)?
...ut browsers follow it religiously. Read
Understanding HTML, XML and XHTML from WebKit blog:
In fact, the vast majority of supposedly XHTML documents on the internet are served as text/html. Which means they are not XHTML at all, but actually invalid HTML that’s getting by on the error handlin...
How to pause / sleep thread or process in Android?
...ynewbutton = mybutton; and use mynewbutton in the Handler and the Runnable from there on.
– Dzhuneyt
May 17 '13 at 13:19
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