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Is it better to use std::memcpy() or std::copy() in terms to performance?
...was passed in to the function as a function parameter.
I did a little bit more testing to see what I could do to make std::copy faster again. The answer turned out to be simple: turn on link time optimization. These are my results with LTO turned on (option -flto in gcc):
Time (in seconds) to comp...
Is quitting an application frowned upon?
...d. Those users simply don't think about "terminating" the Android app, any more than they think about "terminating" a Web page or "terminating" a thermostat.
iPhone users are much the same way, in that pressing the iPhone button does not necessarily "feel" like the app was terminated since many iPho...
What is the performance cost of having a virtual method in a C++ class?
...at matters is whether the function has been run before recently (making it more likely to be in cache), and whether your architecture can predict static (not virtual) branches and fetch those instructions into cache ahead of time. My PPC does not, but maybe Intel's most recent hardware does.
My ti...
Hand Coded GUI Versus Qt Designer GUI [closed]
...r buttons have the proper platform-layout.
You could probably do something more limited like xPad with limited Designer functionality.
I wouldn't think you could write something like OpenOffice solely with Designer but maybe that's not the point.
I'd use Designer as another tool, just like your te...
Why are we not to throw these exceptions?
...in your code, then you should always explicitly check for null and throw a more useful exception instead (for example ArgumentNullException). Similarly, IndexOutOfRangeExceptions occur when you access an invalid index (on arrays—not lists). You should always make sure that you don’t do that in t...
Xamarin 2.0 vs Appcelerator Titanium vs PhoneGap [duplicate]
...is is right; but the downside is the effort involved in maintaining two or more user interface designs for your app.
Comparison about PhoneGap and Titanium it's well reported in Kevin Whinnery blog.
PhoneGap
The purpose of PhoneGap is to allow HTML-based web applications to
be deployed and i...
Difference between \n and \r?
...er can move while the carriage is still going leftwards!-) Wikipedia has a more detailed explanation.
for character-mode terminals (typically emulating even-older printing ones as above), in raw mode, \r and \n act similarly (except both in terms of the cursor, as there is no carriage or roller;-)
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Incrementing in C++ - When to use x++ or ++x?
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unix domain socket VS named pipes?
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UNIX-domain sockets are generally more flexible than named pipes. Some of their advantages are:
You can use them for more than two processes communicating (eg. a server process with potentially multiple client processes connecting);
They are bidirectional;...
jQuery's jquery-1.10.2.min.map is triggering a 404 (Not Found)
... frustration if you don't like dealing with variable names like a and c.
More about sourcemaps here: An Introduction to JavaScript Source Maps
Dodge: disable sourcemaps
Instead of getting the files, you can alternatively disable JavaScript source maps completely for now, in your settings. This i...