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How to darken a background using CSS?
....png);
}
Reference: linear-gradient() - CSS | MDN
UPDATE: Not all browsers support RGBa, so you should have a 'fallback color'. This color will be most likely be solid (fully opaque) ex:background:rgb(96, 96, 96). Refer to this blog for RGBa browser support.
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In Django - Model Inheritance - Does it allow you to override a parent model's attribute?
...ld instances (at least,
not at the moment). If a base class has a field called author, you
cannot create another model field called author in any class that
inherits from that base class.
share
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JavaScript + Unicode regexes
...someone find it useful. Despite the length of the resulting regexes (the example above has 3591 characters when expanded), the performance seems to be acceptable (see the tests at jsFiddle; thanks to @modiX and @Lwangaman for the improvements).
Here's the source (raw, 27.5KB; minified, 24.9KB, not ...
startsWith() and endsWith() functions in PHP
...rlen($needle)) === 0;
}
This should be one of the fastest solutions on PHP 7 (benchmark script). Tested against 8KB haystacks, various length needles and full, partial and no match cases. strncmp is a touch faster for starts-with but it cannot check ends-with.
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How do I write stderr to a file while using “tee” with a pipe?
...n:
command > >(tee -a stdout.log) 2> >(tee -a stderr.log >&2)
Let's split it up and explain:
> >(..)
>(...) (process substitution) creates a FIFO and lets tee listen on it. Then, it uses > (file redirection) to redirect the STDOUT of command to the FIFO that you...
Format a datetime into a string with milliseconds
I want to have a datetime string from the date with milliseconds. This code is typical for me and I'm eager to learn how to shorten it.
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Getting HTTP code in PHP using curl
...lso helps with following redirects):
How can I check if a URL exists via PHP?
As a whole:
$url = 'http://www.example.com';
$ch = curl_init($url);
curl_setopt($ch, CURLOPT_HEADER, true); // we want headers
curl_setopt($ch, CURLOPT_NOBODY, true); // we don't need body
curl_setopt($ch, CUR...
如何编写一个独立的 PHP 扩展（译） - 更多技术 - 清泛网 - 专注C/C++及内核技术
如何编写一个独立的 PHP 扩展（译）how-to-create-a-php-extension本文翻译自 PHP 源码中的 README.SELF-CONTAINED-EXTENSIONS。文中标记了注的内容均为自己添加。内容有点老，也挺啰嗦，没讲什么深入的...本文翻译自 PHP 源码中的 README.SELF-CONTAI...
What it the significance of the Javascript constructor property?
...the constructor property is used in a few places. However, I think the overall gist still applies. Thanks to T. J. Crowder for pointing that out in the comments, and please read his answer for a fuller picture of the current situation.
Original answer
The constructor property makes absolutely no pra...
PHP-FPM doesn't write to error log
I've just installed a nginx+php-fpm server. Everything seems fine except that PHP-FPM never writes error to its log.
11 Ans...