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How does Google's Page Speed lossless image compression work?
...really interested in the technical details, check out the source code:
png_optimizer.cc
jpeg_optimizer.cc
webp_optimizer.cc
For PNG files, they use OptiPNG with some trial-and-error approach
// we use these four combinations because different images seem to benefit from
// different paramet...
HTML img tag: title attribute vs. alt attribute?
...id. If the image is purely decoration - it should not be applied as an <img> tag - you should use CSS-styled div instead ;)
– jave.web
Apr 2 '14 at 12:10
5
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How to Batch Rename Files in a macOS Terminal?
...e following bash command (bash is the default shell on macOS):
for f in *.png; do echo mv "$f" "${f/_*_/_}"; done
Note: If there's a chance that your filenames start with -, place -- before them[1]:
mv -- "$f" "${f/_*_/_}"
Note: echo is prepended to mv so as to perform a dry run. Remove it to p...
Fastest way to extract frames using ffmpeg?
... incurring more quality loss through quantization by transcoding to JPEG. (PNG is also lossless but tends to take much longer than JPEG to encode.)
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How to take screenshot with Selenium WebDriver
...e copy somewhere
FileUtils.copyFile(scrFile, new File("c:\\tmp\\screenshot.png"));
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Should I use tag for icons instead of ? [closed]
...s actually the most semantic choice for an icon when a straightforward <img> tag is not practical.
1. The usage is consistent with the spec.
While it may not be what the W3 mainly had in mind, it seems to me the official spec for <i> could accommodate an icon pretty easily. After all, ...
Why doesn't margin:auto center an image?
...lock element. You could change it to a block-level element like this:
<img src="queuedError.jpg" style="margin:auto; width:200px;display:block" />
and it will be centered.
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Can I apply a CSS style to an element name?
...
[title~=flower] {
border: 5px solid yellow;
}
<img src="klematis.jpg" title="klematis flower" width="150" height="113">
<img src="img_flwr.gif" title="flower" width="224" height="162">
<img src="img_flwr.gif" title="flowers" width="224" height="162"&...
How to write a CSS hack for IE 11? [duplicate]
...ctors, e.g.:
html[data-useragent*='Chrome/13.0'] .nav{
background:url(img/radial_grad.png) center bottom no-repeat;
}
Footnote
If possible, identify and fix any issue(s) without hacks. Support progressive enhancement and graceful degradation. However, this is an 'ideal world' scenario not ...
What are Runtime.getRuntime().totalMemory() and freeMemory()?
...om others on the same question, and my own experience.
* <p>
* <img src="https://i.stack.imgur.com/GjuwM.png" alt="Runtime's memory interpretation">
* <p>
* <b>JVM memory management crash course</b>:
* Java virtual machine process' heap size is bounded by the maxim...