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What is object slicing?

...nk casting back (since not a pointer arithmetic) will work , A a = b; a is now object of type A which has copy of B::foo. It will be mistake to cast it back now i think. – user72424 Aug 12 '11 at 12:27 ...
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How to check if an app is installed from a web-page on an iPhone?

... As far as I know you can not, from a browser, check if an app is installed or not. But you can try redirecting the phone to the app, and if nothing happens redirect the phone to a specified page, like this: setTimeout(function () { wind...
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Install NPM into home directory with distribution nodejs package (Ubuntu)

...bout these packages NODE_PATH="$NPM_PACKAGES/lib/node_modules:$NODE_PATH" Now when you do an npm install -g, NPM will install the libraries into ~/.npm-packages/lib/node_modules, and link executable tools into ~/.npm-packages/bin, which is in your PATH. Just use npm install -g as you would normally...
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How can I get the count of milliseconds since midnight for the current?

... current time as a number of milliseconds (not count from epoch). Instant.now() // Get current moment in UTC, then… .get( ChronoField.MILLI_OF_SECOND ) // interrogate a `TemporalField`. 2017-04-25T03:01:14.113Z → 113 Get the fractional second in nan...
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How accurate is python's time.sleep()?

... also running the code on Mac and Windows, so I probably got confused. I know windows XP at least has a tick rate of about 10ms. – Joseph Lisee Aug 11 '10 at 15:55 ...
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UIButton Long Press Event

...UIGestureRecognizerStateEnded ) { NSLog(@"Long Press"); } } Now this would be the basic approach. You can also set the minimum duration of the press and how much error is tolerable. And also note that the method is called few times if you after recognizing the gesture so if you want t...
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How to dynamically load a Python class

... Thanks I think this is the best way. Now I only need the best way to split the string 'my_pakcage.my_module.my_class' into mod_name, klass_name but I guess I can figure that out :) – pjesi Feb 13 '09 at 22:42 ...
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Are memory leaks ever ok? [closed]

... Now consider a few dozen of this allocations. Now consider having to move the "main" body to routine that gets called multiple times. Enjoy. - I agree with the sentiment that it's nto such a big problem in this scenario, but...
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Common elements in two lists

... Use Collection#retainAll(). listA.retainAll(listB); // listA now contains only the elements which are also contained in listB. If you want to avoid that changes are being affected in listA, then you need to create a new one. List<Integer> common = new ArrayList<Integer>(...
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Remove last item from array

...e(-1): </b> <div id="div2"></div> Explanation:- Now the basic syntax of Array.prototype.slice() or in short slice() method is: arr.slice([begin[, end]]) Here, the begin parameter is zero-based index at which extraction from an array starts. So, lets say based on above...