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In C++, what is a virtual base class?
..." diagram is confusing, although it seems to be commonly used. This is actually a diagram showing class inheritance relationships -- not an object layout. The confusing part is that if we do use virtual, then the object layout looks like the diamond; and if we do not use virtual then the object la...
How does the Meteor JavaScript framework work? [closed]
...u have scripts on server which take data from database and add that dynamically to web-pages and the user-submitted data gets added to databases through some other scrips.
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What is recursion and when should I use it?
...sion.
To see why, walk through the steps that the above languages use to call a function:
space is carved out on the stack for the function's arguments and local variables
the function's arguments are copied into this new space
control jumps to the function
the function's code runs
the function's...
Add only non-whitespace changes
I have my text editor to automatically trim trailing whitespace upon saving a file, and I am contributing to an open source project that has severe problems with trailing whitespace.
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Determining if a number is either a multiple of ten or within a particular set of ranges
...rite out the pseudo code, but I'm not entirely sure how to write them logically.
13 Answers
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Capture Signature using HTML5 and iPad
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I apologize. I think your documentation is actually adequate. It seemed limited until I realized just how easy this is to use. I got it fully implemented in a form, storing in the database and retrieving back to page in under an hour. I suppose, I was comparing it to libr...
Nested fragments disappear during transition animation
...is, but based on @Jayd16's answer, I think I've found a pretty solid catch-all solution that still allows for custom transition animations on child fragments, and doesn't require doing a bitmap cache of the layout.
Have a BaseFragment class that extends Fragment, and make all of your fragments exte...
Best practice for creating millions of small temporary objects
What are the "best practices" for creating (and releasing) millions of small objects?
13 Answers
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source command not found in sh shell
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/bin/sh is usually some other shell trying to mimic The Shell. Many distributions use /bin/bash for sh, it supports source. On Ubuntu, though, /bin/dash is used which does not support source. Most shells use . instead of source. If you can...
How do I change the android actionbar title and icon
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This is very simple to accomplish
If you want to change it in code, call:
setTitle("My new title");
getActionBar().setIcon(R.drawable.my_icon);
And set the values to whatever you please.
Or, in the Android manifest XML file:
<activity android:name=".MyActivity"
android:icon="@d...