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Bootstrap css hides portion of container below navbar navbar-fixed-top

... This is handled by adding some padding to the top of the <body>. As per Bootstrap's documentation on .navbar-fixed-top, try out your own values or use our snippet below. Tip: By default, the navbar is 50px high. body { padding-...
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Reset identity seed after deleting records in SQL Server

... the transaction log for each deleted row. TRUNCATE TABLE removes the data by deallocating the data pages used to store the table data and records only the page deallocations in the transaction log. Fewer locks are typically used. When the DELETE statement is executed using a row lock, each r...
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Delete a key from a MongoDB document using Mongoose

...hods that node-mongodb-native offers. So you can do the action in question by this: User.collection.update({_id: user._id}, {$unset: {field: 1 }}); Since version 2.0 you can do: User.update({_id: user._id}, {$unset: {field: 1 }}, callback); And since version 2.4, if you have an instance of a m...
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Specifying column name in a “references” migration

... Rails cheats - it doesn't really use indexes by default. Now if you want indexes (which are a great idea - despite the fact that rails will completely ignore them), than you can certainly add them. You will want to check out the guide I link for more info on migrations ...
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2 column div layout: right column with fixed width, left fluid

... before the left, simply use a negative right-margin. And be "responsive" by including an @media setting so the right column falls under the left on narrow screens. <div style="background: #f1f2ea;"> <div id="container"> <div id="content"> <strong>Column 1 - c...
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What is the purpose of fork()?

... //this is the child process else if pid!=0 //this is the parent process by this you can provide different actions for the parent and the child and make use of multithreading feature. share | impr...
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MVC3 DropDownListFor - a simple example?

...elect list constructor is a selected value - The last parameter is ignored by the method (which internally builds its own SelectList). Its the value of the property (ContribType) which determines what is selected (that's how model binding works) and the code should just be @Html.DropDownListFor(m =&...
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JOIN queries vs multiple queries

...ark" might have some merit. But left or inner joins are the norm, usually by key (making retrieval much faster), and the duplication of data is usually much, much less than you're making it out to be. – cHao May 3 '11 at 22:25 ...
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Will the base class constructor be automatically called?

...) when there is a constructor with no arguments. You can easily test this by printing out the age of the customer after construction (link to ideone with a demo). share | improve this answer ...
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@RequestBody and @ResponseBody annotations in Spring

...s something(@RequestBody MyModel myModel) { return HttpStatus.OK; } By using @RequestBody annotation you will get your values mapped with the model you created in your system for handling any specific call. While by using @ResponseBody you can send anything back to the place from where the re...