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What is the point of a private pure virtual function?
...an be overridden in the derived classes. Methods of derived classes can't call virtual functions from the base class, but they can provide their own implementation for them. According to Herb Sutter, having public non-virtual interface in the base class and a private implementation that can be custo...
CSS Input with width: 100% goes outside parent's bound
...el, an element's width and height are applied to its content box. Padding falls outside of that content box and increases the element's overall size.
As a result, if you set an element with padding to 100% width, it's padding will make it wider than 100% of its containing element. In your context, i...
How can I check if a program exists from a Bash script?
...type or command are way cheaper), you can also rely on the builtins to actually do what you want, while the effects of external commands can easily vary from system to system.
Why care?
Many operating systems have a which that doesn't even set an exit status, meaning the if which foo won't even wor...
iOS Image Orientation has Strange Behavior
...erty. If the metadata specifies the orientation of the image which is generally ignored by other OS but Mac. Most of images taken are having their meta data property set to right angle. So Mac shows it 90 degree rotated manner. You can see the same image in proper way in windows OS.
For more detail...
Node.js: how to consume SOAP XML web service
...
Thanks. having problems with node-soap install because node-expat installation failure =(
– WHITECOLOR
Dec 28 '11 at 16:44
...
CSS: Control space between bullet and
...
+1 for actually answering the guy's question ;) (though the span should ideally in real life have a class anyway for good practice futureproofing as well as semantics: if in future any javascript or new features development etc had a go...
Any way to declare a size/partial border to a box?
...
Not really. But it's very easy to achieve the effect in a way that degrades gracefully and requires no superfluous markup:
div {
width: 350px;
height: 100px;
background: lightgray;
position: relative;
margin: 20...
How can I safely create a nested directory?
...r versions of Python, I see two answers with good qualities, each with a small flaw, so I will give my take on it:
Try os.path.exists, and consider os.makedirs for the creation.
import os
if not os.path.exists(directory):
os.makedirs(directory)
As noted in comments and elsewhere, there's a r...
A non-blocking read on a subprocess.PIPE in Python
...hat everything does and don't copy it blindly, even if it just works! (Actually the simplest solution is to use a thread and do a readline as Seb did, Qeues are just an easy way to get the data, there are others, threads are the answer!)
– Aki
Feb 22 '12 at 13:...
right click context menu for datagridview
...text Menu key).
Cell selection on right mouse click has to be handled manually. Showing the context menu does not need to be handled as this is handled by the UI.
This completely mimics the approach used by Microsoft Excel. If a cell is part of a selected range, the cell selection doesn't change a...