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Can we omit parentheses when creating an object using the “new” operator?

... https://people.mozilla.org/~jorendorff/es6-draft.html#sec-new-operator-runtime-semantics-evaluation Here's the part of the ES6 spec that defines how the two variants operate. The no-parentheses variant passes an empty argument list. Interestingly, the two forms have different ...
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Random number from a range in a Bash Script

... However, awk's random seed only seems to refresh once/sec so you might want to a) avoid at all costs or b) re-initialise the seed. – John Hunt Aug 2 '13 at 8:50 ...
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Increment value in mysql update query

...lever for someone who knows what PDO is, but for me who's just diving into PHP/MySQL, it doesn't really shine a lot of light into the matter. Does PDO make that code smaller or more elegant? If so, please edit the answer or post one of your own where you show how it's better with PDO. Thanks. ...
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How to find out if you're using HTTPS without $_SERVER['HTTPS']

...RVER['SERVER_PORT'] == 443; } The code is compatible with IIS. From the PHP.net documentation and user comments : 1) Set to a non-empty value if the script was queried through the HTTPS protocol. 2) Note that when using ISAPI with IIS, the value will be "off" if the request was not made ...
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Difference between array_push() and $array[] =

In the PHP manual, ( array_push ) says.. 9 Answers 9 ...
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Alternatives to gprof [closed]

...nd therefore a large number of samples) is important. Think about it for a second. If a line of code is on 3 samples out of five, then if you could shoot it out like a light bulb, that is roughly 60% less time that would be used. Now, you know that if you had taken a different 5 samples, you might h...
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Can PHP PDO Statements accept the table or column name as parameter?

...lowed_columns_array['tblTheTable'] = array('the_col_to_check'); Then the PHP check before running PDO looks like... if(in_array($inTableName, $allowed_tables_array) && in_array($inColumnName,$allowed_columns_array[$inTableName])) { $sql = "SELECT $inColumnName AS columnInfo ...
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Does file_get_contents() have a timeout setting?

... link may take more than 15 minutes to process. Now, I worry about whether PHP's file_get_contents() has a timeout period? ...
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php var_dump() vs print_r()

What is the difference between var_dump() and print_r() in terms of spitting out an array as string? 12 Answers ...
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How would you count occurrences of a string (actually a char) within a string?

...er than using foreach. Could be because of bounds-checking? (Time was 1.65 sec vs 2.05 on 5 mil iterations.) – Measuring Dec 13 '16 at 9:05 ...