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How can one check to see if a remote file exists using PHP?

...t I could find, an if fclose fopen type thing, makes the page load really slowly. 22 Answers ...
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Google Authenticator available as a public service?

...unts. The actual process is straightforward. The one time code is, essentially, a pseudo random number generator. A random number generator is a formula that once given a seed, or starting number, continues to create a stream of random numbers. Given a seed, while the numbers may be random to each ...
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String concatenation vs. string substitution in Python

...catenation is (significantly) faster according to my machine. But stylistically, I'm willing to pay the price of substitution if performance is not critical. Well, and if I need formatting, there's no need to even ask the question... there's no option but to use interpolation/templating. >>&g...
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Why check both isset() and !empty()

... @karim IMO empty is one of the most misunderstood functions in PHP. The tiny snippet about "no warning is generated" is very easy to overlook. I had to scan the documentation myself a few times to spot it to post it here. – deceze♦ Dec 30 '10 at 4...
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After array_filter(), how can I reset the keys to go in numerical order starting at 0

... If you call array_values on your array, it will be reindexed from zero. share | improve this answer | follo...
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Display an array in a readable/hierarchical format

... to get the data as string. Now you can return '<pre>'.print_r(User::all(), true); from your routes file. – DutGRIFF Nov 5 '14 at 19:43 ...
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What is the “->” PHP operator called and how do you say it when reading code out loud? [closed]

What do you call this arrow looking -> operator found in PHP? 16 Answers 16 ...
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Checking for empty arrays: count vs empty

This question on ' How to tell if a PHP array is empty ' had me thinking of this question 12 Answers ...
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how do i remove a comma off the end of a string?

... Thank you, I was doing this with substr, strlen,... all my life – Farhad Apr 15 '15 at 17:59 add a comment  |  ...
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How do you share code between projects/solutions in Visual Studio?

...sulting in multiple assemblies: however, when coupled with ILMerge - especially with the internalize option - it becomes a very powerful solution. – user2246674 Jun 28 '13 at 5:27 ...