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When do we have to use copy constructors?
...st to be destroyed copy sharing the buffer will call delete[] successfully and the second will run into undefined behavior. You need deep copying copy constructor (and assignment operator as well).
Class::Class( const Class& another )
{
stored = new char[strlen(another.stored) + 1];
str...
Open directory dialog
...g one. I could "hack up" the functionality by letting the user pick a file and then strip the path to figure out which directory it belongs to but that's unintuitive at best. Has anyone seen this done before?
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How to kill all processes matching a name?
... to kill every process containing the word amarok. I can print out the commands I want to execute. But how do I actually make the shell execute them. ie.
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How to change fontFamily of TextView in Android
So I'd like to change the android:fontFamily in Android but I don't see any pre-defined fonts in Android. How do I select one of the pre-defined ones? I don't really need to define my own TypeFace but all I need is something different from what it shows right now.
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No generic implementation of OrderedDictionary?
...Dictionary isn't terribly difficult, but it's unnecessarily time consuming and frankly this class is a huge oversight on Microsoft's part. There are multiple ways of implementing this, but I chose to use a KeyedCollection for my internal storage. I also chose to implement various methods for sortin...
Move an item inside a list?
...already in the list to the specified position, you would have to delete it and insert it at the new position:
l.insert(newindex, l.pop(oldindex))
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Hiding user input on terminal in Linux script
... answered Nov 30 '10 at 17:46
Andreas WongAndreas Wong
53.4k1818 gold badges9898 silver badges118118 bronze badges
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How to set MSDN to be always in English
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I use Redirector for Chrome and have this: http([s]?):\/\/(docs|msdn)\.microsoft\.com\/es-es\/(.*) to http$1://$2.microsoft.com/en-us/$3
– Jcl
Jan 21 '18 at 20:00
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How do I make a transparent canvas in html5?
...Canvases are transparent by default.
Try setting a page background image, and then put a canvas over it. If nothing is drawn on the canvas, you can fully see the page background.
Think of a canvas as like painting on a glass plate.
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How to call a PHP function on the click of a button
...ed a page called functioncalling.php that contains two buttons, Submit and Insert .
12 Answers
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