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Why does ++[[]][+[]]+[+[]] return the string “10”?
...stion that I posted while this question was still closed. Links are to (an HTML copy of) the ECMAScript 3 spec, still the baseline for JavaScript in today's commonly used web browsers.
First, a comment: this kind of expression is never going to show up in any (sane) production environment and is on...
Using comparison operators in Scala's pattern matching system
...und in the documentation https://docs.scala-lang.org/tour/pattern-matching.html , they didn't fit in my case but because this stackoverflow answer is the first suggestion in Google I would like to post my answer which is a corner case of the question above.
My question is:
How to use a guard in m...
Firefox Add-on RESTclient - How to input POST parameters?
... (Windows NT 6.1; WOW64; rv:24.0) Gecko/20100101 Firefox/24.0 Accept: text/html,application/xhtml+xml,application/xml;q=0.9,/;q=0.8 Accept-Language: null Accept-Encoding: gzip, deflate Content-Length: 0 Content-Type: text/plain; charset=UTF-8 Connection: keep-alive Pragma: no-cache Cache-Control: no...
Is there a function to deselect all text using JavaScript?
...) {document.selection.empty();}
}
This will clear a selection in regular HTML content in any major browser. It won't clear a selection in a text input or <textarea> in Firefox.
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impro...
What do 3 dots next to a parameter type mean in Java?
...ection here: http://java.sun.com/docs/books/tutorial/java/javaOO/arguments.html#varargs
In your example, you could call it as any of the following:
myMethod(); // Likely useless, but possible
myMethod("one", "two", "three");
myMethod("solo");
myMethod(new String[]{"a", "b", "c"});
Important Note: T...
How to make an ng-click event conditional?
...
We can add ng-click event conditionally without using disabled class.
HTML:
<div ng-repeat="object in objects">
<span ng-click="!object.status && disableIt(object)">{{object.value}}</span>
</div>
...
Android: Background Image Size (in Pixel) which Support All Devices
... have to read
http://developer.android.com/guide/practices/screens_support.html
xxxhdpi: 1280x1920 px
xxhdpi: 960x1600 px
xhdpi: 640x960 px
hdpi: 480x800 px
mdpi: 320x480 px
ldpi: 240x320 px
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Pandas percentage of total with groupby
...lution is inspired from this article https://pbpython.com/pandas_transform.html)
I find the following solution to be the simplest(and probably the fastest) using transformation:
Transformation: While aggregation must return a reduced version of the
data, transformation can return some transfo...
Regex Named Groups in Java
... have support for named groups ( http://www.regular-expressions.info/named.html ) so can anyone point me towards a third-party library that does?
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Is there a simple way to remove unused dependencies from a maven pom.xml?
...
http://samulisiivonen.blogspot.com/2012/01/cleanin-up-maven-dependencies.html
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