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How to make PDF file downloadable in HTML link?

... header("Content-Length: " . filesize($file)); flush(); // this doesn't really matter. $fp = fopen($file, "r"); while (!feof($fp)) { echo fread($fp, 65536); flush(); // this is essential for large downloads } fclose($fp); PS: and obviously run some sanity checks on the "file" variable t...
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Difference between private, public, and protected inheritance

All of the questions I've found on SO deal with specific cases. 16 Answers 16 ...
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Android: TextView: Remove spacing and padding on top and bottom

...e below the other with no spacing in between. I have set the following for all three TextView s. 20 Answers ...
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Draw a perfect circle from user's touch

I have this practice project that allows the user to draw on the screen as they touch with their fingers. Very simple App I did as exercise way back. My little cousin took the liberty of drawing things with his finger with my iPad on this App (Kids drawings: circle, lines, etc, whatever came to his ...
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Arduino Sketch upload issue - avrdude: stk500_recv(): programmer is not responding

...it works. I figured the packets were some attempt at a hand-shake. So basically, I solved it using Google, patience and futzing around with the board! – hoipolloi Jan 12 '14 at 18:16 ...
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Check if a value is within a range of numbers

...u're asking a question about numeric comparisons, so regular expressions really have nothing to do with the issue. You don't need "multiple if" statements to do it, either: if (x >= 0.001 && x <= 0.009) { // something } You could write yourself a "between()" function: function b...
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What is JNDI? What is its basic use? When is it used?

... Directory Interface. What is its basic use? JNDI allows distributed applications to look up services in an abstract, resource-independent way. When it is used? The most common use case is to set up a database connection pool on a Java EE application server. Any application that's deplo...
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Adding a parameter to the URL with JavaScript

In a web application that makes use of AJAX calls, I need to submit a request but add a parameter to the end of the URL, for example: ...
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newline in [duplicate]

... This should really be voted up higher. No need to get a jQuery plugin. This plus some extra styling and positioning should be a fantastic option for anybody. I'm going to use it right now, working for a gigantor company that you all know. ...
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Calling closure assigned to object property directly

...sn't work on a StdClass. Before PHP7, you'd have to implement the magic __call method to intercept the call and invoke the callback (which is not possible for StdClass of course, because you cannot add the __call method) class Foo { public function __call($method, $args) { if(is_...