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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...
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...
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 ...
Opacity CSS not working in IE8
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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...
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...
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...
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.
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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 ...