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Access “this” from Java anonymous class
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answered Jul 5 '09 at 14:07
Mykola GolubyevMykola Golubyev
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Hex representation of a color with alpha channel?
...255, 0, 0, 0.5) would be 50% transparent red. RGB channels are 0-255 or 0%-100%, alpha is 0-1.
In CSS 4*, you can specify the alpha channel using the 7th and 8th characters of an 8 digit hex colour, or 4th character of a 4 digit hex colour (see CSS Level 4 spec*)
As of May 2019, >80% of users c...
How can I call a custom Django manage.py command directly from a test driver?
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319
The best way to test such things - extract needed functionality from command itself to standalo...
Preventing scroll bars from being hidden for MacOS trackpad users in WebKit/Blink
WebKit/Blink's (Safari/Chrome) default behaviour on MacOS since 10.7 (Mac OS X Lion) is to hide scroll bars from trackpad users when they're not in use. This can be confusing ; the scroll bar is often the only visual cue that an element is scrollable.
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How long does it take for GitHub page to show changes after changing index.html
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110
The first time you generate your site it will take about 10 minutes for it to show up. Subsequ...
ruby on rails f.select options with custom attributes
... the docs, but by reading the rails source. https://web.archive.org/web/20130128223827/http://www.pogodan.com/blog/2011/02/24/custom-html-attributes-in-options-for-select
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Cancel/kill window.setTimeout() before it happens
... clear out a status, for example. I have a few of these that hang out for 10 seconds or more and if the user gets clicking around the action can occur at incorrect time intervals.
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matplotlib.pyplot will not forget previous plots - how can I flush/refresh?
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112
I would rather use plt.clf() after every plt.show() to just clear the current figure instead o...
How to rotate the background image in the container?
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142
Very well done and answered here -
http://www.sitepoint.com/css3-transform-background-image/
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How do you work with an array of jQuery Deferreds?
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198
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$.when.apply($, promises).then(function(schemas) {
console.log("DONE...