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How do emulators work and how are they written? [closed]

...mulation: Interpretation Dynamic recompilation Static recompilation With all of these paths, you have the same overall goal: execute a piece of code to modify processor state and interact with 'hardware'. Processor state is a conglomeration of the processor registers, interrupt handlers, etc for ...
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How to activate an Anaconda environment

...onment and Scripts\ on Windows). Imagine you have created an environment called py33 by using: conda create -n py33 python=3.3 anaconda Here the folders are created by default in Anaconda\envs, so you need to set the PATH as: set PATH=C:\Anaconda\envs\py33\Scripts;C:\Anaconda\envs\py33;%PATH% ...
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PHP - Get key name of array value

... array_filter() can be used if you need to return all matching results instead of just the first matching one, as it preserves keys. – Mike Lyons Nov 27 '14 at 1:40 ...
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How to close TCP and UDP ports via windows command line

...t the remote machine, the network card, the network cable, and your OS can all cause the socket to close. Consider also that Fiddler and Desktop VPN software can insert themselves into the network stack and show you all your traffic or reroute all your traffic. So all you really need is either fo...
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CSS: How to position two elements on top of each other, without specifying a height?

...exactly on top of each other. However, when I do that, the formatting gets all screwed up because the containing DIV acts like there is no height. I think this is the expected behavior with position:absolute but I need to find a way to position these two elements on top of each other and have the ...
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“Thinking in AngularJS” if I have a jQuery background? [closed]

... want to accomplish, then go about designing your application, and then finally go about designing your view. 2. Don't augment jQuery with AngularJS Similarly, don't start with the idea that jQuery does X, Y, and Z, so I'll just add AngularJS on top of that for models and controllers. This is real...
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Replace Line Breaks in a String C#

... Did not remove all the newline chars. Try this string "\n \r\nMy message \r\n \n \r\n is this.\n \n \r\n" – Shakti Prakash Singh Aug 4 '13 at 12:12 ...
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Get top n records for each group of grouped results

... Here is one way to do this, using UNION ALL (See SQL Fiddle with Demo). This works with two groups, if you have more than two groups, then you would need to specify the group number and add queries for each group: ( select * from mytable where `group` = 1 ...
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Difference between malloc and calloc?

... calloc() gives you a zero-initialized buffer, while malloc() leaves the memory uninitialized. For large allocations, most calloc implementations under mainstream OSes will get known-zeroed pages from the OS (e.g. via POSIX mm...
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Error when deploying an artifact in Nexus

... I changed version of my artifact to SNAPSHOT and then deploy and all was ok. Then I realized that I was trying to deploy to a Nexus group (not a Nexus repository), so the cause of my problem was: 'url to my nexus repository was wrong' – acimutal Sep 1...