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What does @media screen and (max-width: 1024px) mean in CSS?

...n, rather than printing it. max-width: 1024px — the width of the browser window (including the scroll bar) is 1024 pixels or less. (CSS pixels, not device pixels.) That second test suggests this is intended to limit the CSS to the iPad, iPhone, and similar devices (because some older browsers do...
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How do I remove a file from the FileList

...ith = function(node) { this.parentNode.replaceChild(node, this); }; if(window.File && window.FileList) { var topicForm = document.getElementById("yourForm"); topicForm.fileZone = document.getElementById("fileDropZoneElement"); topicForm.fileZone.files = new Array(); topic...
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Setting the MySQL root user password on OS X

...e with privilege bypass sudo mysqld_safe --skip-grant-tables; In a new window connect to the database, set a new password and flush the permissions & quit: mysql -u root For MySQL older than MySQL 5.7 use: UPDATE mysql.user SET Password=PASSWORD('your-password') WHERE User='root'; For M...
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How can I check if a key is pressed during the click event with jQuery?

...ck the key status using keydown() and keyup(): var ctrlPressed = false; $(window).keydown(function(evt) { if (evt.which == 17) { // ctrl ctrlPressed = true; } }).keyup(function(evt) { if (evt.which == 17) { // ctrl ctrlPressed = false; } }); See the list of key codes. Now you can ...
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How do you install Google frameworks (Play, Accounts, etc.) on a Genymotion virtual device? [duplica

...ag&drop the Genymotion-ARM-Translation_v1.1.zip onto the Genymotion VM window. It should say "File transfer in progress". Once it asks you to flash it, click 'OK'. Now reboot your VM using ADB (adb reboot) or an app like ROM Toolbox. If nescessary you can simply close the VM window, but I don't ...
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What is JavaScript garbage collection?

...ple, instead of delete foo, you should first remove the event listener via window.removeEventListener() and then use foo = null to overwrite the variable; in IE, delete window.foo (but not delete foo) also would have worked if foo was global, but even then it wouldn't in FF or Opera ...
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Why would $_FILES be empty when uploading files to PHP?

I have WampServer 2 installed on my Windows 7 computer. I'm using Apache 2.2.11 and PHP 5.2.11. When I attempt to upload any file from a form, it seems to upload, but in PHP, the $_FILES array is empty. There is no file in the c:\wamp\tmp folder. I have configured php.ini to allow file uploads...
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How to delete a file or folder?

... os.rmdir() on Windows also removes directory symbolic link even if the target dir isn't empty – Lu55 Dec 18 '15 at 17:23 ...
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Show history of a file? [duplicate]

... @Chris click on a different revision in the top-left window and you'll see the corresponding diff in the bottom-left window. If you're talking about something else, can you elaborate? – Jeff Ferland Mar 21 '12 at 15:50 ...
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Android studio using > 100% CPU at all times - no background processes appear to be running

... So far this has helped on Windows - though I just tested it briefly, so I can't say I'm positive it will work in the long-run, and it also seems strange that without "Power Save" the IDE would take over the entire CPU... – Matt ...