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Database: To delete or not to delete records

...t you figure out (to the extent possible of course) an aggregation scheme, and shove that off to another table. This will keep your primary table clean of 'deleted' data, as well as keep your secondary table optimized for monitoring purposes (or whatever you had in mind). For temporal data, see: ht...
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Amazon S3 boto - how to create a folder?

...olders in S3. S3 does not have folders, even though the management console and many tools do represent keys with slashes as such. See Working with Folders and read the part: "So the console uses object key names to present folders and hierarchy. In Amazon S3, you have only buckets and objects." ...
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Vim: insert the same characters across multiple lines

... busy during that time—it’s just waiting for you to press another key, and eventually times out. Two experiments for you: first, try pressing escape and then immediately pressing another key, like j or ^L. You should see that Vim wasn’t busy after all; it was just waiting. Second, try changing...
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How to run a method every X seconds

I'm developing an Android 2.3.3 application and I need to run a method every X seconds . 8 Answers ...
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What is an MvcHtmlString and when should I use it?

... I stand corrected - actually the MvcHtmlString.Create method detects whether IHtmlString is available and dynamically creates the returned class to support it if it is: windowsitpro.com/article/net-framework/Encoding-and-Strings/...
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Set active tab style with AngularJS

... One way of doing this would be by using ngClass directive and the $location service. In your template you could do: ng-class="{active:isActive('/dashboard')}" where isActive would be a function in a scope defined like this: myApp.controller('MyCtrl', function($scope, $location) ...
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How do I get the opposite (negation) of a Boolean in Python?

...answered Aug 11 '11 at 18:16 jtbandesjtbandes 101k3333 gold badges209209 silver badges237237 bronze badges ...
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Ternary operation in CoffeeScript

... Since everything is an expression, and thus results in a value, you can just use if/else. a = if true then 5 else 10 a = if false then 5 else 10 You can see more about expression examples here. ...
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How to Set Variables in a Laravel Blade Template

I'm reading the Laravel Blade documentation and I can't figure out how to assign variables inside a template for use later. I can't do {{ $old_section = "whatever" }} because that will echo "whatever" and I don't want that. ...
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When to use the brace-enclosed initializer?

...n is not available, see if brace initialization has the correct semantics, and if so, use that; otherwise use parenthesis initialization (if that is also not available, you're out of luck anyway). If the values you are initializing with are a list of values to be stored in the object (like the eleme...