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Write a program to find 100 largest numbers out of an array of 1 billion numbers

... number in the queue (the head of the queue), remove the head of the queue and add the new number to the queue. EDIT: as Dev noted, with a priority queue implemented with a heap, the complexity of insertion to queue is O(logN) In the worst case you get billionlog2(100) which is better than billion...
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How to change identity column values programmatically?

... You need to set identity_insert YourTable ON Then delete your row and reinsert it with different identity. Once you have done the insert don't forget to turn identity_insert off set identity_insert YourTable OFF ...
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A valid provisioning profile for this executable was not found for debug mode

...> clean all targets. 2) In "Groups & Files" -->Target --> expand it --> right click your app and select Clean "your app" 3) Goto->Window-->Organizer 4) In the Devices tab on the left, select your iphone 5) In the Provisioning section of the selected iphone delete all the cu...
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How to check SQL Server version

...ways to see the version: Method 1: Connect to the instance of SQL Server, and then run the following query: Select @@version An example of the output of this query is as follows: Microsoft SQL Server 2008 (SP1) - 10.0.2531.0 (X64) Mar 29 2009 10:11:52 Copyright (c) 1988-2008 Microsoft Corp...
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Tracking CPU and Memory usage per process

... more CPU cycles than I want it to. The problem is - it happens in bursts, and just looking at the task manager doesn't help me as it shows immediate usage only. ...
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How do I implement basic “Long Polling”?

...n find lots of information on how Long Polling works (For example, this , and this ), but no simple examples of how to implement this in code. ...
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Does Python have a ternary conditional operator?

...rst condition is evaluated, then exactly one of either a or b is evaluated and returned based on the Boolean value of condition. If condition evaluates to True, then a is evaluated and returned but b is ignored, or else when b is evaluated and returned but a is ignored. This allows short-circuiting ...
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HTTP handler vs HTTP module

... HttpHandler is where the request train is headed. HttpModule is a station along the way. share | improve this answer | ...
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How does the extend() function work in jQuery?

...arameter. Returns the first parameter. This is useful for combining user and default option-objects together to get a complete set of options: function foo(userOptions) { var defaultOptions = { foo: 2, bar: 2 }; var someOtherDefaultOptions = { baz: 3 }; var allOptions = jQu...
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What is the Haskell response to Node.js?

...g community is not envious of Node.js as it does non-blocking I/O natively and has ways to scale deployments easily to more than one processor (something not even built-in in Node.js). More details at http://journal.dedasys.com/2010/04/29/erlang-vs-node-js and Node.js or Erlang ...