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Preview an image before it is uploaded

...g the file data in-memory): <img id="blah" alt="your image" width="100" height="100" /> <input type="file" onchange="document.getElementById('blah').src = window.URL.createObjectURL(this.files[0])"> Generated URL will be like: blob:http%3A//localhost/7514bc74-65d4-4...
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Exit single-user mode

... Find the SPID, use the following: Kill 100. The 100 is the number of the session (SPID). – CRAFTY DBA Sep 23 '13 at 19:59 ...
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Position absolute and overflow hidden

... You just make divs like this: <div style="width:100px; height: 100px; border:1px solid; overflow:hidden; "> <br/> <div style="position:inherit; width: 200px; height:200px; background:yellow;"> <br/> <div style="position:absol...
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What's the best way to retry an AJAX request on failure using jQuery?

... a wrapper function: (function runAjax(retries, delay){ delay = delay || 1000; $.ajax({ type : 'GET', url : '', dataType : 'json', contentType : 'application/json' }) .fail(function(){ console.log(retries); // prrint retry count retries > 0 &&...
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Getting the closest string match

... +100 I was presented with this problem about a year ago when it came to looking up user entered information about a oil rig in a database...
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Does JavaScript have a built in stringbuilder class?

..."join". In IE8, both return about equal results. In IE7, "join" is about 100 times faster unfortunately. share | improve this answer | follow | ...
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How to get progress from XMLHttpRequest

...e progress on screen var percentComplete = (evt.loaded / evt.total) * 100; $('#progressbar').progressbar( "option", "value", percentComplete ); } } function sendreq(evt) { var req = new XMLHttpRequest(); $('#progressbar').progressbar(); req.onprogress = updateP...
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Copy file remotely with PowerShell

... Access is denied + CategoryInfo : PermissionDenied: (\\192.168.1.100\Shared\test.txt:String) [Copy-Item], UnauthorizedAccessException> + FullyQualifiedErrorId : ItemExistsUnauthorizedAccessError,Microsoft.PowerShell.Commands.CopyItemCommand So this did it for me: netsh advfirewa...
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How can I use “puts” to the console without a line break in ruby on rails?

...r each print... def print_and_flush(str) print str $stdout.flush end 100.times do print_and_flush "." sleep 1 end Edit: I was just looking into the reasoning behind flush to answer @rubyprince's comment, and realised this could be cleaned up a little by simply using $stdout.sync = true.....
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Storing a Map using JPA

... your @MapKeyColumn to provide a length: @MapKeyColumn(name="name", length=100) – Jon Sep 9 '16 at 18:48 add a comment  |  ...