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Is there a use-case for singletons with database access in PHP?

... allow for multiple databases--no other code changes. The second issue is testing (And honestly, this is the same as the first issue). Sometimes you want to replace your database with a mock database. In effect this is a second instance of the database object. This is much harder to do with stat...
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How can javascript upload a blob?

... Try this var fd = new FormData(); fd.append('fname', 'test.wav'); fd.append('data', soundBlob); $.ajax({ type: 'POST', url: '/upload.php', data: fd, processData: false, contentType: false }).done(function(data) { console.log(data); }); You need to us...
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Difference between float and double in php?

... In PHP 7.0.14 function test(double $a) { var_dump($a); } test(2.2111); Returns "Fatal error: Uncaught TypeError: Argument 1 passed to test() must be an instance of double, float given". function test(float $a) { var_dump($a); } test(2.2...
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Executing elements inserted with .innerHTML

...o it would look like this instead: <img src="empty.gif" onload="alert('test');this.parentNode.removeChild(this);" /> share | improve this answer | follow ...
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How do I determine scrollHeight?

...rollHeight is a regular javascript property so you don't need jQuery. var test = document.getElementById("foo").scrollHeight; share | improve this answer | follow ...
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How to add percent sign to NSString

...helps in some cases, it is possible to use the unicode character: NSLog(@"Test percentage \uFF05"); share | improve this answer | follow | ...
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jQuery: Test if checkbox is NOT checked

...heckSurfaceEnvironment').not(':checked') returns an array of DOM elements. Testing this with 'if' returns 'true' even if there was no match to the selector and the array is empty. The only way your answer could be correct is if you tested i$('#checkSurfaceEnvironment').not(':checked').length, which ...
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A generic error occurred in GDI+, JPEG Image to MemoryStream

... dst.Save(m, format); var img = Image.FromStream(m); //TEST img.Save("C:\\test.jpg"); var bytes = PhotoEditor.ConvertImageToByteArray(img); return img; } It appears that the memory stream that the object was created on has to be open at the time the obje...
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Does the APNS device token ever change, once created?

...e. Are you still any similar issue? Edited the link and posted from the latest docs. – iosCurator Dec 6 '17 at 0:27 ...
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Why do results vary based on curly brace placement?

... terminated, so your first example looks effectively like this: function test() { return; // <- notice the inserted semicolon { javascript: "fantastic" }; } See also Douglas Crockford's JS style guide, which mentions semicolon insertion. In your second example you return an object...