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What is Normalisation (or Normalization)?

...t each cell should have only one value. We can normalize this problem away by have a separate row per car: UserId | Car --------------------- 1 | Toyota 2 | Ford 2 | Cadillac The problem with having several values in one cell is that it is tricky to update, tricky to query against,...
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Sass .scss: Nesting and multiple classes?

... You can use the parent selector reference &, it will be replaced by the parent selector after compilation: For your example: .container { background:red; &.desc{ background:blue; } } /* compiles to: */ .container { background: red; } .container.desc { back...
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ASP.NET: Session.SessionID changes between requests

...ay occur even when the Session object has been initialized as demonstrated by Cladudio. In the Web.config, if there is an <httpCookies> entry that is set to requireSSL="true" but you are not actually using HTTPS: for a specific request, then the session cookie is not sent (or maybe not return...
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git cherry-pick not working

...t is resolving the cherry-pick as a no-op -- all of the changes introduced by that commit have been introduced by some commit on your current branch. (Or that's what Git thinks, anyway.) Verify that the commit you are cherry-picking hasn't already been merged somehow, as either a proper merge, reb...
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How do I escape reserved words used as column names? MySQL/Create Table

...rvers you should use ANSI SQL queries. String escaping in ANSI SQL is done by using double quotes ("). Unfortunately, this escaping method is not portable to MySQL, unless it is set in ANSI compatibility mode. Personally, I always start my MySQL server with the --sql-mode='ANSI' argument since this...
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How can I autoplay a video using the new embed code style for Youtube?

...1'. The Query String begins with '?' and is separated into key=value pairs by the '&' symbol. en.wikipedia.org/wiki/Query_string#Structure – knickum Jan 31 '17 at 19:35 4 ...
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REST API 404: Bad URI, or Missing Resource?

...okmark or two, your clients should always be following links given to them by the server. Then there's no need to invent detailed semantics regarding exactly how they decided to work outside the system. – fumanchu Mar 30 '12 at 4:01 ...
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How to create a drop shadow only on one side of an element?

...ce. Positive values cause the shadow shape to expand in all directions by the specified radius. Negative values cause the shadow shape to contract. UPDATE Check out the demo at jsFiddle: http://jsfiddle.net/K88H9/4/ What I did was create a "shadow element" that would hide behind the actu...
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Javascript checkbox onChange

... function calc() { if (document.getElementById('xxx').checked) { document.getElementById('totalCost').value = 10; } else { calculate(); } } HTML <input type="checkbox" id="xxx" name="xxx" onclick="calc();"/> ...
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Click outside menu to close in jquery

...ot of content or the screen is very high, it only works on the part filled by the body. Copy from: stackoverflow.com/questions/152975/… – meo Feb 25 '11 at 15:35 – NickGreen Jan 20 '12 at 12:50 ...