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PHP mail function doesn't complete sending of e-mail

I've tried creating a simple mail form. The form itself is on my index.html page, but it submits to a separate "thank you for your submission" page, thankyou.php , where the above PHP code is embedded. The code submits perfectly, but never sends an email. How can I fix this? ...
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How to check if array is empty or does not exist? [duplicate]

What's the best way to check if an array is empty or does not exist? 1 Answer 1 ...
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Timeout expired. The timeout period elapsed prior to completion of the operation or the server is no

I have many users on my web site (20000-60000 per day), which is a download site for mobile files. I have remote access to my server (windows server 2008-R2). I've received "Server is unavailable" errors before, but am now seeing a connection timeout error. I'm not familiar with this - wh...
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What is the order of precedence for CSS?

... There are several rules ( applied in this order ) : inline css ( html style attribute ) overrides css rules in style tag and css file a more specific selector takes precedence over a less specific one rules that appear later in the code override earlier rules if...
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django - why is the request.POST object immutable?

... It's a bit of a mystery, isn't it? Several superficially plausible theories turn out to be wrong on investigation: So that the POST object doesn't have to implement mutation methods? No: the POST object belongs to the django.http.QueryDict class, w...
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Should I use Java's String.format() if performance is important?

...String[] args ){ int i = 0; long prev_time = System.currentTimeMillis(); long time; for( i = 0; i< 100000; i++){ String s = "Blah" + i + "Blah"; } time = System.currentTimeMillis() - prev_time; System.out.println("Time after for loop " + time); prev_time...
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Compare two dates with JavaScript

... share | improve this answer | follow | edited Oct 15 '19 at 20:52 Josh 15.2k66 gold badge...
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Difference between const & const volatile

If we declare a variable as volatile every time the fresh value is updated If we declare a variable as const then the value of that variable will not be changed ...
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Determining if a number is either a multiple of ten or within a particular set of ranges

... For the first one, to check if a number is a multiple of use: if (num % 10 == 0) // It's divisible by 10 For the second one: if(((num - 1) / 10) % 2 == 1 && num <= 100) But that's rather dense, and you might be better off just listing the options e...
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Usage of __slots__?

What is the purpose of __slots__ in Python — especially with respect to when I would want to use it, and when not? 11 A...