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What's the best manner of implementing a social activity stream? [closed]
...t example I've found on the topic, though it's not rails specific.
http://www.slideshare.net/danmckinley/etsy-activity-feeds-architecture
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How to make/get a multi size .ico file? [closed]
...con-16.png icon-32.png icon-64.png icon-128.png icon.ico
See also http://www.imagemagick.org/Usage/thumbnails/#favicon, that has the example:
magick convert image.png -bordercolor white -border 0 \
\( -clone 0 -resize 16x16 \) \
\( -clone 0 -resize 32x32 \) \
\( -clo...
Margin on child element moves parent element
...nd padding do the same.
Hence, you can also use the following to prevent a top-margin collapse:
.parent {
padding-top: 1px;
margin-top: -1px;
}
Update by popular request:
The whole point of collapsing margins is handling textual content. For example:
h1, h2, p, ul {
margin-top: ...
How to get Android crash logs?
...
This is from http://www.herongyang.com/Android/Debug-adb-logcat-Command-Debugging.html
You can use adb:
adb logcat AndroidRuntime:E *:S
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Using jQuery to center a DIV on the screen
....center = function () {
this.css("position","absolute");
this.css("top", Math.max(0, (($(window).height() - $(this).outerHeight()) / 2) +
$(window).scrollTop()) + "px");
this.css("left", Math.max(0, (($(window).width() - $(this).outerWidth...
How to pass the -D System properties while testing on Eclipse?
...th=\"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 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4...
An async/await example that causes a deadlock
...th=\"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 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4...
Scroll to the top of the page using JavaScript?
How do I scroll to the top of the page using a JavaScript? It is desirable even if the scrollbar instantly jumps to the top. I'm not looking for a smooth scrolling.
...
How to alter SQL in “Edit Top 200 Rows” in SSMS 2008
...agement Studio, when I right click on a database table and choose " Select Top 100 Rows ", I can then e.g. easily add a "ORDER BY " statement to the SQL. That works fine .
...
What and where are the stack and heap?
...ned by the C99 language standard (available at open-std.org/JTC1/SC22/WG14/www/docs/n1256.pdf ), requires a "stack". In fact, the word 'stack' does not even appear in the standard. This answers statements wrt/ to C's stack usage are true in general, but is in no way required by the language. See k...