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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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Is there a way to auto expand objects in Chrome Dev Tools?

... SINGLE TIME :) Is there a shortcut or setting to have this done automatically? 13 Answers ...
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Duplicate symbols for architecture x86_64 under Xcode

...at defines an Objective-C class or category. While this option will typically result in a larger executable (due to additional object code loaded into the application), it will allow the successful creation of effective Objective-C static libraries that contain categories on existing classes...
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How to extract the n-th elements from a list of tuples?

... @Wayne Werner: Yep. This stuff was all just passive knowledge (I don't often use it) - but it's good to be reminded now and then so you know where / what to look for... – Daren Thomas Jul 22 '10 at 13:14 ...
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C# 4.0 optional out/ref arguments

Does C# 4.0 allow optional out or ref arguments? 9 Answers 9 ...
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Why aren't variables declared in “try” in scope in “catch” or “finally”?

...Reader sr, [1] class [mscorlib]System.Exception ex) IL_0000: ldnull IL_0001: stloc.0 .try { .try { IL_0002: ldsfld string UsingTest.Class1::path IL_0007: newobj instance void [mscorlib]System.IO.StreamReader::.cto...
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Get last result in interactive Python shell

... Underscore. >>> 5+5 10 >>> _ 10 >>> _ + 5 15 >>> _ 15 share | improve this answer | follow |...
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From an array of objects, extract value of a property as array

... Check out Lodash's _.pluck() function or Underscore's _.pluck() function. Both do exactly what you want in a single function call! var result = _.pluck(objArray, 'foo'); Update: _.pluck() has been removed as of Lodash v4.0.0, in favour of _...
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How to handle both a single item and an array for the same property using JSON.net

....Categories)); Console.WriteLine(); } } } And finally, here is the output of the above: email: john.doe@sendgrid.com timestamp: 1337966815 event: open categories: newuser, transactional email: jane.doe@sendgrid.com timestamp: 1337966815 event: open categories: olduser F...
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MySQL: What's the difference between float and double?

...00002 | 1.6900000000 | This is using MySQL 6.7 Query: SELECT float_1 + float_2 as 'float add', double_1 + double_2 as 'double add', decimal_1 + decimal_2 as 'decimal add', float_1 * float_2 as 'float multiply', double_1 * double_2 as 'double multiply', decimal_1 * decim...