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What are the differences between virtual memory and physical memory?

..., while maintaining a respectable performance for the softwares running. Now the main question boils down to how the memory is being managed. What exactly governs where in the memory will the data belonging to a given software reside? Possible solution 1: Let individual softwares specify expl...
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What is the difference between shallow copy, deepcopy and normal assignment operation?

...llow copy: d = copy.copy(c) print id(c) == id(d) # False - d is now a new object print id(c[0]) == id(d[0]) # True - d[0] is the same object as c[0] Using a deep copy: d = copy.deepcopy(c) print id(c) == id(d) # False - d is now a new object print id(c[0]) == id(d[0]) #...
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.prop() vs .attr()

... @Neal: If you want to know what properties DOM elements have and how attributes may seed their values, keep these links to hand: The DOM2 HTML specification, the DOM2 spec, and DOM3 spec. The indexes in each case are excellent and link you straight...
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How do I run a shell script without using “sh” or “bash” commands?

... Hey thanks for your reply. I tried that out. Now I can run it without the "sh" command. But I still have to prefix the command with "./" which I don't want to. :) – Rameez Hussain Jan 8 '12 at 18:26 ...
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What is the most robust way to force a UIView to redraw?

...hy. the subclass in question gets passed the data and it's drawRect method now has everything it needs to render. 5 Answers...
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Can Selenium Webdriver open browser windows silently in background?

... "--no-startup-window" is now deprecated – Corey Goldberg Nov 10 '17 at 4:16 5 ...
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Postgresql: password authentication failed for user “postgres”

... user as "postgres" and password "postgres", because it worked before. But now authentication is failed. I did it before a couple of times without this problem. What should I do? And what happens? ...
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How to make junior programmers write tests? [closed]

...to "get it" with a senior guy directing him along the right path (eg. "Ok, now before we continue, lets write at test for this function.") It will be well worth the resources you commit to it. Maybe also have someone in your group give the Unit Testing 101 presentation by Kate Rhodes, I think its...
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How can I benchmark JavaScript code? [closed]

... Sure, no offense mate. I just thought I’d comment for future reference now that more research has been done on the subject. – Mathias Bynens Feb 24 '11 at 10:24 4 ...
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Hudson or Teamcity for continuous integration? [closed]

... @Pavel: I don't know TeamCity as well as Hudson so I won't challenge the beginning of your comment. But, regarding the notifications, claiming that TC is more sophisticated is pure FUD in my not so humble opinion. All the mentioned notificati...