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What does if __name__ == “__main__”: do?
...ary, but you want to have a script mode where it runs some unit tests or a demo.
Your module is only used as a main program, but it has some unit tests, and the testing framework works by importing .py files like your script and running special test functions. You don't want it to try running the s...
How can I make my flexbox layout take 100% vertical space?
... <div id="col3">col3</div>
</div>
</div>
DEMO
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Conveniently Declaring Compile-Time Strings in C++
...ng_type>::produce>::result{}; \
}()
a simple concatenation demonstration shows the usage:
namespace compile_time
{
template<char... str0, char... str1>
string<str0..., str1...> operator*(string<str0...>, string<str1...>)
{
...
Split array into chunks
...th.ceil(this.length/n)).map((x,i) => this.slice(i*n,i*n+n));
}
});
Demo:
> JSON.stringify( Array.range(10).chunk(3) );
[[1,2,3],[4,5,6],[7,8,9],[10]]
Or if you don't want an Array.range function, it's actually just a one-liner (excluding the fluff):
var ceil = Math.ceil;
Object.defin...
How to stop a goroutine
...o create channel in this example.
channel
context. In the example I will demo context.WithCancel
The first demo, use channel:
package main
import "fmt"
import "time"
func do_stuff() int {
return 1
}
func main() {
ch := make(chan int, 100)
done := make(chan struct{})
go func(...
How to count certain elements in array?
...cannot go negative)`;
// alternatively do nothing {}
}
}
Demo:
> counts = new Multiset([['a',1],['b',3]])
Map(2) {"a" => 1, "b" => 3}
> counts.add('c')
> counts
Map(3) {"a" => 1, "b" => 3, "c" => 1}
> counts.remove('a')
> counts
Map(2) {"b" => 3,...
WheelView 拓展：滚轮选择框扩展，滚轮日历选择框和旋转日历扩展 · App In...
...上原生的DatePicker 18
Thanks @wildcontrol to sponsor this extension
Demo picture:
this demo used 3 extensions
Download link here;
aix拓展
cn.kevinkun.WheelView.aix
demo
WheelView.aia
Wheel Calendar 扩展
Wheel Calendar 扩展提供了一个可自定义的交...
How to Decrease Image Brightness in CSS
.../div>
<img src="http://i.imgur.com/G8eyr.png">
</div>
DEMO
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Align inline-block DIVs to top of container element
..., why does the shorter of the two not align to the top of the container? ( DEMO ):
4 Answers
...
CSS: Change image src on img:hover
.../angry-birds/128/yellow-bird-icon.png'"
border="0" alt=""/></a>
DEMO
http://jsfiddle.net/ssuryar/wcmHu/429/
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