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Why do some scripts omit the closing PHP tag, '?>'? [duplicate]

... From PHP: Instruction Separation The closing tag of a PHP block at the end of a file is optional, and in some cases omitting it is helpful when using include() or require(), so unwanted whitespace will not occur at the end of ...
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Concatenate two slices in Go

...mmodate the new elements. If it does not, a new underlying array will be allocated. Append returns the updated slice. It is therefore necessary to store the result of append, often in the variable holding the slice itself: slice = append(slice, elem1, elem2) slice = append(slice, anotherSlice...
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Type-juggling and (strict) greater/lesser-than comparisons in PHP

PHP is famous for its type-juggling. I must admit it puzzles me, and I'm having a hard time to find out basic logical/fundamental things in comparisons. ...
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Make var_dump look pretty

...something like this for color syntax highlighting: highlight_string("<?php\n\$data =\n" . var_export($data, true) . ";\n?>"); You can do the same with print_r(). For var_dump() you would just need to add the <pre> tags: echo '<pre>'; var_dump($data); echo '</pre>'; ...
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Setting Curl's Timeout in PHP

I'm running a curl request on an eXist database through php. The dataset is very large, and as a result, the database consistently takes a long amount of time to return an XML response. To fix that, we set up a curl request, with what is supposed to be a long timeout. ...
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Split string with delimiters in C

...ws where the list of returned strings ends. */ count++; result = malloc(sizeof(char*) * count); if (result) { size_t idx = 0; char* token = strtok(a_str, delim); while (token) { assert(idx < count); *(result + idx++) = st...
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Objective-C declared @property attributes (nonatomic, copy, strong, weak)

...red when the attribute is a pointer to a reference counted object that was allocated on the heap. Allocation should look something like: NSObject* obj = [[NSObject alloc] init]; // ref counted var The setter generated by @synthesize will add a reference count to the object when it is copied so the ...
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What's the use of ob_start() in php?

...ean() since ob_get_clean() essentially performs both functions. Reference: php.net/manual/en/function.ob-get-clean.php (PHP 4 >= 4.3.0, PHP 5) – Con Antonakos May 20 '15 at 16:49 ...
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Why shouldn't I use mysql_* functions in PHP?

...xtension: Is not under active development Is officially deprecated as of PHP 5.5 (released June 2013). Has been removed entirely as of PHP 7.0 (released December 2015) This means that as of 31 Dec 2018 it does not exist in any supported version of PHP. If you are using a version of PHP which sup...
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C++ performance challenge: integer to std::string conversion

...orithm, to do this. The reason is that int2string will always involve heap allocation from std::string and if we are trying to squeeze the last out of our conversion algorithm, I do not think it makes sense to mix these measurements up with the heap allocations done by std::string. If I want perform...