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how to provide a swap function for my class?
...d void swap(Bar& lhs, Bar& rhs) {
// ....
}
};
// version 2
class Bar{
public:
void swap(Bar& other) {
// ...
}
};
void swap(Bar& lhs, Bar& rhs) {
lhs.swap(rhs);
}
...
You mean an explicit specialization. Partial is still something else and also not p...
gem install: Failed to build gem native extension (can't find header files)
I am using Fedora 14 and I have MySQL and MySQL server 5.1.42 installed and running.
Now I tried to do this as root user:
1...
How to maintain aspect ratio using HTML IMG tag
...eight and width attribute to 64. I need to show any image resolution (e.g. 256x256, 1024x768, 500x400, 205x246, etc.) as 64x64. But by setting the height and width attributes of an img tag to 64, it's not maintaining the aspect ratio, so the image looks distorted.
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GSON - Date format
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312
It seems that you need to define formats for both date and time part or use String-based formatt...
Controlling a USB power supply (on/off) with Linux
...e. The information in this answer is relevant for the older kernels (up to 2.6.32). See tlwhitec's answer for the information on the newer kernels.
# disable external wake-up; do this only once
echo disabled > /sys/bus/usb/devices/usb1/power/wakeup
echo on > /sys/bus/usb/devices/usb1/power/...
Pick a random element from an array
...
326
Swift 4.2 and above
The new recommended approach is a built-in method on the Collection protoc...
Math - mapping numbers
...
212
If your number X falls between A and B, and you would like Y to fall between C and D, you can ...
push multiple elements to array
...
261
When using most functions of objects with apply or call, the context parameter MUST be the obj...
Is there an upside down caret character?
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edited Sep 22 '16 at 0:29
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111 silver badge
answered Dec 3 '08 at 21:09
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