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std::vector performance regression when enabling C++11
...tion, the difference in performance goes away.
So what is the take away from this story? That failed inlines can cost you a lot and you should make full use of the compiler capabilities: I can only recommend link time optimization. It gave a significant performance boost to my programs (up to 2.5...
Comprehensive beginner's virtualenv tutorial? [closed]
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Using custom std::set comparator
...t<int, cmp> s;
Online demo
5. Alternative solution: create struct from boolean function
Take boolean function
bool cmp(int a, int b) {
return ...;
}
And make struct from it using std::integral_constant
#include <type_traits>
using Cmp = std::integral_constant<decltype(&...
When to use std::forward to forward arguments?
...rek's answer is very useful, but it doesn't completely answer the question from the title:
When to use std::forward to forward arguments?
In order to answer it, we should first introduce a notion of universal references. Scott Meyers gave this name and nowadays they are often called forwarding...
sed whole word search and replace
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What to put in a python module docstring? [closed]
...s (and functions too, though I'm not showing one here) is already included from those components' docstrings; the module's own docstring should describe them very summarily (if at all) and rather concentrate on a concise summary of what the module as a whole can do for you, ideally with some doctest...
How to loop through an associative array and get the key? [duplicate]
...
I use the following loop to get the key and value from an associative array
foreach ($array as $key => $value)
{
echo "<p>$key = $value</p>";
}
share
|
im...
No EditorOptionDefinition Export Found Error
...
After a reboot and some more research I found this post from a blog. The error described is not the same error I am seeing, however, it was close enough to warrant a try.
Follow the steps:
Close Visual Studio
Open the folder: %LocalAppData%\Microsoft\VisualStudio\12.0\
(in C:\u...
Are parameters in strings.xml possible? [duplicate]
...ing and %2$d is a decimal number. You can format the string with arguments from your application like this:
Resources res = getResources();
String text = String.format(res.getString(R.string.welcome_messages), username, mailCount);
If you wish more look at: http://developer.android.com/intl/pt-b...
overlay two images in android to set an imageview
...
First, the canvas is drawn and the images are drawn on top of each other from point (0,0)
On button click
public void buttonMerge(View view) {
Bitmap bigImage = BitmapFactory.decodeResource(getResources(), R.drawable.img1);
Bitmap smallImage = BitmapFactory.decodeResource(getRes...