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Commands out of sync; you can't run this command now
I am trying to execute my PHP code, which calls two MySQL queries via mysqli, and get the error "Commands out of sync; you can't run this command now".
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Cookie blocked/not saved in IFRAME in Internet Explorer
... <add name="p3p" value="CP=&quot;Internet Explorer Requires This In Order to Set Third Party Cookies&quot;" /> </customHeaders> </httpProtocol> </handlers> </system.webServer>'
– Rick Kierner
Feb 19...
Performance of FOR vs FOREACH in PHP
First of all, I understand in 90% of applications the performance difference is completely irrelevant, but I just need to know which is the faster construct. That and...
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IPN vs PDT in Paypal
...etc, and thus you really should implement it.
PayPal's PDT system sends order confirmations to merchant sites that use PayPal Payments Standard and lets them authenticate this information. Such sites can then display this data locally in an "order confirmation" page.
When to Use PDT?
IPN provid...
diff to output only the file names
..."29b". Use instead: rsync -ric --dry-run old/ new/ where the "-i" argument allows to obtain the file list directly via rsync -ric --dry-run old/ new/ | cut -d" " -f 2
– iolsmit
Mar 24 '15 at 17:15
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Convert php array to Javascript
...write your own. However, you should also consider upgrading your PHP if at all possible!
– Spudley
Apr 11 '11 at 9:25
5
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What's better at freeing memory with PHP: unset() or $var = null
I realise the second one avoids the overhead of a function call ( update , is actually a language construct), but it would be interesting to know if one is better than the other. I have been using unset() for most of my coding, but I've recently looked through a few respectable classes found off t...
How to allow to accept only image files?
...t is very sketchy on mobiles (as of 2015) and by some reports this may actually prevent some mobile browsers from uploading anything at all, so be sure to test your target platforms well.
For detailed browser support, see http://caniuse.com/#feat=input-file-accept
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Best way to obfuscate an e-mail address on a website?
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I find it ironic that in order to protect your email you have to enter it in to a random, shady-looking form at the site you linked to. Honeypotting, anyone? :)
– srobinson
Apr 3 '15 at 14:45
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Which Java Collection should I use?
...t, non-synchronized collections
Collection: An interface representing an unordered "bag" of items, called "elements". The "next" element is undefined (random).
Set: An interface representing a Collection with no duplicates.
HashSet: A Set backed by a Hashtable. Fastest and smallest memory usage, w...