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Difference between Fact table and Dimension table?

...out a primary key. For example, a sales table with columns, cust_id, date_ordered, qty, time, location can have all records same if he/she ordered in the same day / same location / same qty twice. – Manikandan Kbk DIP Aug 26 at 9:48 ...
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What is the mouse down selector in CSS?

... Add in that case I would style the button more fully. By adding a border:0; you lose the bezel around the button and the issue you are having. – jansmolders86 May 23 '13 at 14:04 ...
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Can hash tables really be O(1)?

...for use in a dictionary does not have to look at every bit in the input in order to calculate the hash. Implementations are free to look at only a fixed number of bits. For sufficiently many items the number of items will become greater than the number of possible hashes and then you will get colli...
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Multiprocessing - Pipe vs Queue

...nd nice that you provided benchmarks! I only have two tiny quibbles: (1) "orders of magnitude faster" is a bit of an overstatement. The difference is x3, which is about a third of one order of magnitude. Just saying. ;-); and (2) a more fair comparison would be running N workers, each communicati...
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Javascript reduce() on Object

... reduce is an Array method, not an Object's one, and you can't rely on the order when you're iterating the properties of an object (see: https://developer.mozilla.org/en-US/docs/JavaScript/Reference/Statements/for...in, this is applied to Object.keys too); so I'm not sure if applying reduce over an ...
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Opacity CSS not working in IE8

... Correct, but: "In order to guarantee that users of both Internet Explorer 7 and 8 experience the filter, you can include both syntaxes listed above. Due to a peculiarity in our parser, you need to include the updated syntax first before the ol...
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what is Promotional and Feature graphic in Android Market/Play Store?

...s not required to save and publish your Store Listing, it is required in order to be featured on Google Play. Commentary: To be clear, these "promotions" are chosen at Google's discretion. Even though excellent the "This is a test" app demonstration (above) shows the Feature graphic used in com...
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Presenting a UIAlertController properly on an iPad using iOS 8

...here }]; // note: you can control the order buttons are shown, unlike UIActionSheet [alertController addAction:destroyAction]; [alertController addAction:otherAction]; [alertController setModalPresentationStyle:UIModalPresentationPopover]; UIPopoverPresentationC...
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How do you automatically set text box to Uppercase?

...le="text-transform:uppercase" /> <img src="../images/tickmark.gif" border="0" /> Please note this transformation is purely visual, and does not change the text that is sent in POST. share | ...
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Difference between binary tree and binary search tree

...nition ahead) each point to a binary tree. A binary search tree (BST) or "ordered binary tree" is a type of binary tree where the nodes are arranged in order: for each node, all elements in its left subtree are less to the node (<), and all the elements in its right subtree are greater than the ...