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Compare if BigDecimal is greater than zero
...omplete comment! I should at least write a proof of the arguments, my bad. Now I was looking for what happened, because I remember that I had to change things from "signum" to "compareTo" and I have no idea why. It was probably my mistake, as I did several tests now and I didn't find any problems wi...
Reverse engineering from an APK file to a project
...ful tools which will generate Java code (rough but good enough) from an unknown APK file.
Download dex2jar tool from dex2jar.
Use the tool to convert the APK file to JAR:
$ d2j-dex2jar.bat demo.apk
dex2jar demo.apk -> ./demo-dex2jar.jar
Once the JAR file is generated, use JD-GUI to open the J...
See :hover state in Chrome Developer Tools
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Now you can see both the pseudo-class rules and force them on elements.
To see the rules like :hover in the Styles pane click the small :hov text in the top right.
To force an element into :hover state, right click it an...
Source code highlighting in LaTeX
...s seems to be the best choice for most use-cases and for me it was, until now.
3 Answers
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Is it possible to change only the alpha of a rgba background colour on hover?
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This is now possible with custom properties:
.brown { --rgb: 118, 76, 41; }
.green { --rgb: 51, 91, 11; }
a { display: block; position: relative; }
div { position: absolute; bottom: 0; background-color: rgba(var(--rgb), 0.8); }
a:h...
Java: notify() vs. notifyAll() all over again
...his is the accepted answer, it's not a question of personal pride. If you know you were wrong now, please edit your answer to say it, and point to e.g. xagyg pedagogic and correct answer below.
– Yann TM
May 5 '17 at 21:15
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Specifying rails version to use when creating a new application
... that having Rails 3 installed fails for 2.3.5 -- Just tested on Mac OS X Snow Leopard with these modules installed:rails (3.0.5, 2.3.5, 2.2.2, 1.2.6)
– Mike
May 2 '11 at 19:41
13
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Convert an image to grayscale in HTML/CSS
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Support for CSS filters has landed in Webkit. So we now have a cross-browser solution.
img {
filter: gray; /* IE6-9 */
-webkit-filter: grayscale(1); /* Google Chrome, Safari 6+ & Opera 15+ */
filter: grayscale(1); /* Microsoft Edge and Firefox 35+ */
}
/*...
What is the most robust way to force a UIView to redraw?
...hy. the subclass in question gets passed the data and it's drawRect method now has everything it needs to render.
5 Answers...
JavaScript and Threads
...ript Worker Threads
Apart from from Gears there's nothing available right now, but there's plenty of talk about how to implement this so I guess watch this question as the answer will no doubt change in future.
Here's the relevant documentation for Gears: WorkerPool API
WHATWG has a Draft Recomme...