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Finding out whether a string is numeric or not
... returning a class that wraps the set it was created form, and returns the opposite value for all queries. But I don't know for certain.
– John Calsbeek
Nov 28 '18 at 15:39
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Remove useless zero digits from decimals in PHP
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For everyone coming to this site having the same problem with commata instead, change:
$num = number_format($value, 1, ',', '');
to:
$num = str_replace(',0', '', number_format($value, 1, ',', '')); // e.g. 100,0 becomes 100
If there are two zer...
Split string to equal length substrings in Java
...ay be longer, but they're also self-documenting; this one's just about the opposite of that. ;)
Also, this doesn't work in Android, which doesn't support the use of \G in lookbehinds.
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impro...
How can I get useful error messages in PHP?
...ccess file. It helps me debug in an area that is not part of the public website. Thanks a lot for this tip!
– jacekn
Jun 15 '13 at 1:39
1
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How can I get the MAC and the IP address of a connected client in PHP?
...at I thought, is there any way to identify unique computers connected to a site?
– jcho360
Jul 3 '12 at 14:17
7
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How to show google.com in an iframe?
I am trying to put google.com into an iframe on my website, this works with many other websites including yahoo. But it does not work with google as it just shows a blank iframe. Why does it not render? Are there any tricks to do that?
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Call a REST API in PHP
...zle is much easier than working with cURL.
Here's an example from the Web site:
$client = new GuzzleHttp\Client();
$res = $client->get('https://api.github.com/user', [
'auth' => ['user', 'pass']
]);
echo $res->getStatusCode(); // 200
echo $res->getHeader('content-type');...
Using scanf() in C++ programs is faster than using cin?
...f this is true, but when I was reading FAQ on one of the problem providing sites, I found something, that poke my attention:
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What's better to use in PHP, $array[] = $value or array_push($array, $value)?
...astest way so when the day comes I will be asked to produce a high traffic site, I'll have some insight. Thanks for the answer.
– alex
Feb 18 '09 at 4:37
10
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How can I remove duplicate rows?
...cient than NOT EXISTS sqlinthewild.co.za/index.php/2010/03/23/… The same site also compares NOT IN vs NOT EXISTS. sqlinthewild.co.za/index.php/2010/02/18/not-exists-vs-not-in Out of the 3 I think NOT EXISTS performs best. All three will generate a plan with a self join though that can be avoided.
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