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How can one check to see if a remote file exists using PHP?
...TP HEAD method via CURLOPT_NOBODY.
More or less
$ch = curl_init("http://www.example.com/favicon.ico");
curl_setopt($ch, CURLOPT_NOBODY, true);
curl_exec($ch);
$retcode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
// $retcode >= 400 -> not found, $retcode = 200, found.
curl_close($ch);
Anyway...
Using an RDBMS as event sourcing storage
... as in good old-fashioned state-based persistence). Therefore I wouldn't recommend option 1 and 2 at all.
Below is the schema as used in Ncqrs. As you can see, the table "Events" stores the related data as a CLOB (i.e. JSON or XML). This corresponds to your option 3 (Only that there is no "ProductE...
In what order are Panels the most efficient in terms of render time and performance?
...th=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4...
How to get the cuda version?
Is there any quick command or script to check for the version of CUDA installed?
19 Answers
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filtering NSArray into a new NSArray in Objective-C
...'s podcast and Papa Smurf said answers should live in StackOverflow so the community can rate and improve them.
– willc2
Sep 17 '09 at 6:32
10
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How to have a default option in Angular.js select box
...
I too had issues getting this worked out, @maurits comment led me to this stackoverflow.com/questions/22348886 Enjoy!
– Michael
Dec 5 '14 at 16:19
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Windows threading: _beginthread vs _beginthreadex vs CreateThread C++
...CRT, but it will function correctly. See for more info: support.microsoft.com/default.aspx/kb/104641
– John Dibling
Apr 22 '09 at 15:40
1
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linux 通过bind下搭建DNS Server - 更多技术 - 清泛网 - 专注C/C++及内核技术
...3H ) ; minimum
@ NS ryan.com.
@ A 192.168.1.5
www A 192.168.1.5
* A 192.168.1.5
vim /var/named/ryan.com.arpa
#插入以下内容并保存
$TTL 1D
@ IN SOA ryan.com. root. (
0 ; serial
...
What's the difference between “git reset” and “git checkout”?
... as the same, in the sense that both bring the project back to a specific commit. However, I feel they can't be exactly the same, as that would be redundant. What is the actual difference between the two? I'm a bit confused, as the svn only has svn co to revert the commit.
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Getting HTTP code in PHP using curl
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How can I check if a URL exists via PHP?
As a whole:
$url = 'http://www.example.com';
$ch = curl_init($url);
curl_setopt($ch, CURLOPT_HEADER, true); // we want headers
curl_setopt($ch, CURLOPT_NOBODY, true); // we don't need body
curl_setopt($ch, CURLOPT_RETURNTRANSFER,1);
curl_setopt($...