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How to implement “select all” check box in HTML?

...: for each...in is actually valid Javascript: developer.mozilla.org/en/Core_JavaScript_1.5_Reference/… But, as porneL has pointed out, it's an obscure construct. Also, this code doesn't work in Safari 5 or Chrome 5. It works in FF 3.6, and IIRC, it worked in Safari 4. for(var i in checkboxes) chec...
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Is it possible to get the non-enumerable inherited property names of an object?

...ilter", "reverse", "every", "hasOwnProperty", "isPrototypeOf", "valueOf", "__defineGetter__", "__defineSetter__", "__lookupGetter__", "propertyIsEnumerable", "__lookupSetter__"] Update: Refactored the code a bit (added spaces, and curly braces, and improved the function name): function getAllPr...
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Timeout a command in bash without unnecessary delay

...t;Dmitry.Golovashkin@sas.com> scriptName="${0##*/}" declare -i DEFAULT_TIMEOUT=9 declare -i DEFAULT_INTERVAL=1 declare -i DEFAULT_DELAY=1 # Timeout. declare -i timeout=DEFAULT_TIMEOUT # Interval between checks if the process is still alive. declare -i interval=DEFAULT_INTERVAL # Delay between ...
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Which method performs better: .Any() vs .Count() > 0?

... EDIT: Here are generated SQLs. Beauties as you can see ;) ANY: exec sp_executesql N'SELECT TOP (1) [Project2].[ContactId] AS [ContactId], [Project2].[CompanyId] AS [CompanyId], [Project2].[ContactName] AS [ContactName], [Project2].[FullName] AS [FullName], [Project2].[ContactStatusId] AS [...
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Why is SQL Server 2008 Management Studio Intellisense not working?

... without server, decided to install sp1 sms. – Johnny_D Mar 29 '12 at 12:08 1 I tried King's repa...
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Chrome sendrequest error: TypeError: Converting circular structure to JSON

...mit": null, "size": 0, "chunks": [], "writable": true, "readable": false, "_events": { "pipe": [null, null], "error": [null] }, "before": [null], "after": [], "response": { "output": [], "outputEncodings": [], "writable": true, "_last": false, "chunkedEncoding": false, ...
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What does the PHP error message “Notice: Use of undefined constant” mean?

... You should quote your array keys: $department = mysql_real_escape_string($_POST['department']); $name = mysql_real_escape_string($_POST['name']); $email = mysql_real_escape_string($_POST['email']); $message = mysql_real_escape_string($_POST['message']); As is, it was looking ...
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What is the most accurate way to retrieve a user's correct IP address in PHP?

I know there are a plethora of $_SERVER variables headers available for IP address retrieval. I was wondering if there is a general consensus as to how to most accurately retrieve a user's real IP address (well knowing no method is perfect) using said variables? ...
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jQuery: How can i create a simple overlay?

...ouseenter(showPhotoOverlay); // Create photo overlay elements var _isPhotoOverlayDisplayed = false; var _photoId; var _photoOverlay = $("<div id='photoOverlay'></div>"); var _photoOverlayShareButton = $("<div id='photoOverlayShare'>Share</div>"); // ...
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Access nested dictionary items via a list of keys?

..., 'z': 3}, 'w': 3}} Note that the Python PEP8 style guide prescribes snake_case names for functions. The above works equally well for lists or a mix of dictionaries and lists, so the names should really be get_by_path() and set_by_path(): from functools import reduce # forward compatibility for Py...