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Difference between a virtual function and a pure virtual function [duplicate]
What is the difference between a pure virtual function and a virtual function?
4 Answers
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Are database triggers evil? [closed]
...y; it's easy to forget they are there until they hurt you with unintended (and very mysterious) consequences.
This just means they need to be carefully used for the proper circumstances; which in my experience is limited to relational integrity issues (sometimes with finer granularity than you can...
Array initialization syntax when not in a declaration
...me of the array creation / initialization constructs were not in Java 1.0, and (IIRC) were added in Java 1.1.
But "why" is immaterial ... the restriction is there, and you have to live with it.
I know how to work around it, but from time to time it would be simpler.
You can write this:
AClas...
URL encoding the space character: + or %20?
When is a space in a URL encoded to + , and when is it encoded to %20 ?
4 Answers
4
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What is the difference between inversedBy and mappedBy?
I am developing my application using Zend Framework 2 and Doctrine 2.
4 Answers
4
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android layout: This tag and its children can be replaced by one and a compound drawable
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To expand on Romain Guy's answer, here is an example.
Before:
<LinearLayout
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_marginTop="10dp"
android:padding="5dp" >
<TextView
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How to exit from Python without traceback?
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You are presumably encountering an exception and the program is exiting because of this (with a traceback). The first thing to do therefore is to catch that exception, before exiting cleanly (maybe with a message, example given).
Try something like this in your main r...
Does height and width not apply to span?
...roblem. If display: block is specified, span stops to be an inline element and an element after it appears on next line. I need an element which is inline, but could be of desired width.
– Paul
Mar 21 '13 at 17:52
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Working copy locked error in tortoise svn while committing
I'm using Tortoise SVN to update and commit changes to the repository in the server whenever I make changes to my working copy. But from a few days I'm not able to commit the changes and I get the following error whenever I try to commit.
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contenteditable change events
...ts fired by the editable element, though you need to be aware that keydown and keypress events are fired before the content itself is changed. This won't cover every possible means of changing the content: the user can also use cut, copy and paste from the Edit or context browser menus, so you may w...