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What is the purpose of std::make_pair vs the constructor of std::pair?
..._iterator.
See also:
Why not infer template parameter from constructor?
https://en.wikibooks.org/wiki/More_C++_Idioms/Object_Generator
Minimal example
To make things more concrete, we can observe the problem minimally with:
main.cpp
template <class MyType>
struct MyClass {
MyType i...
In log4j, does checking isDebugEnabled before logging improve performance?
...ava 8, you don't have to use isDebugEnabled() to improve the performance.
https://logging.apache.org/log4j/2.0/manual/api.html#Java_8_lambda_support_for_lazy_logging
import java.util.logging.Logger;
...
Logger.getLogger("hello").info(() -> "Hello " + name);
...
Redirect website after certain amount of time
... if (count <= 0) {
window.location.replace("https://example.com");
}
}, 1000);
</script>
</body>
</html>
The initial content of the counter div is the number of seconds to wait.
...
C#: How to convert a list of objects to a list of a single property of that object?
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
Determining type of an object in ruby
...n?
To add he said "Data has Types not objects".
So we might enjoy this.
https://www.youtube.com/watch?v=1l3U1X3z0CE
But Ruby doesn't care to much about the type of object just the class.
We use classes not types. All data then has a class.
12345.class
'my string'.class
They may also have a...
Paste multiple times
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
How to highlight text using javascript
...{
let cur: Node = children[i];
// https://developer.mozilla.org/en-US/docs/Web/API/Node/nodeType
if (cur.nodeType === Node.TEXT_NODE)
{
this.checkAndReplace(cur);
}
...
Looping a video with AVFoundation AVPlayer?
...
This was presented at WWDC 2016 in "Advances in AVFoundation Playback":
https://developer.apple.com/videos/play/wwdc2016/503/
Even using this code, I had a hiccup until I filed a bug report with Apple and got this response:
The movie file having movie duration longer than audio/video tracks ...
Image Greyscale with CSS & re-color on mouse-over?
...n effect */
transition: 0.5s;
}
#google:hover {
background: url('https://graphics217b.files.wordpress.com/2011/02/logo1w.png');
}
<a id='google' href='http://www.google.com'></a>
This could also be accomplished by using a Javascript-based hover effect such as jQuery's ...
Using ZXing to create an Android barcode scanning app [duplicate]
... by step to setup zxing 3.2.1 in eclipse
Download zxing-master.zip from "https://github.com/zxing/zxing"
Unzip zxing-master.zip, Use eclipse to import "android" project in zxing-master
Download core-3.2.1.jar from "http://repo1.maven.org/maven2/com/google/zxing/core/3.2.1/"
Create "libs" folder in...