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How to check that a string is an int, but not a double, etc.?

... (ctype_digit($testcase)) { echo "The string $testcase consists of all digits.\n"; } else { echo "The string $testcase does not consist of all digits.\n"; } } ?> The above example will output: The string 1820.20 does not consist of all digits. The string 10002 consists...
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Java - sending HTTP parameters via POST method easily

...ength = postData.length; String request = "http://example.com/index.php"; URL url = new URL( request ); HttpURLConnection conn= (HttpURLConnection) url.openConnection(); conn.setDoOutput( true ); conn.setInstanceFollowRedirects( false ); conn.setRequestMethod( "POST" ...
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What does the Reflect object do in JavaScript?

...ble: ES6 spec, Reflection MDN Reflect (including details and examples to all of its methods) Original answer (for (historic) understanding and extra examples): The Reflection proposal seems to have progressed to the Draft ECMAScript 6 Specification. This document currently outlines the Reflect...
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Iterate over each line in a string in PHP

I have a form that allows the user to either upload a text file or copy/paste the contents of the file into a textarea. I can easily differentiate between the two and put whichever one they entered into a string variable, but where do I go from there? ...
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?: operator (the 'Elvis operator') in PHP

I saw this today in some PHP code: 5 Answers 5 ...
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How to remove duplicate values from a multi-dimensional array in PHP

How can I remove duplicate values from a multi-dimensional array in PHP? 19 Answers 19...
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best practice to generate random token for forgot password

...d reminder token, and, if it is a one-time login credentials, then you actually have a data to protect (which is - whole user account) So, the code will be as follows: //$length = 78 etc $token = bin2hex(random_bytes($length)); Update: previous versions of this answer was referring to uniqid()...
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Calculate number of hours between 2 dates in PHP

... The newer PHP-Versions provide some new classes called DateTime, DateInterval, DateTimeZone and DatePeriod. The cool thing about this classes is, that it considers different timezones, leap years, leap seconds, summertime, etc. And on top of that it's very easy to use. Here...
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Setting Vim whitespace preferences by filetype

... @JamesMcMahon expandtab expands all tabs to spaces. sts (softtabstop) inserts spaces and tabs for indents: as many tabs as will fit in the indent based on the size of tabstop, and then spaces after that. Of course, if expandtab is on, all the tabs that get ...
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PHP array: count or sizeof?

To find the number of elements in a PHP $array , which is faster/better/stronger? 7 Answers ...