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Post data to JsonP
...trol-Max-Age", "1000" ); // time from request to response before timeout
PHP:
header('Access-Control-Allow-Origin: *');
header('Access-Control-Allow-Methods: POST');
header('Access-Control-Max-Age: 1000');
Doing like this, you are opening your server to any post request, you should re-secure th...
Determine the line of code that causes a segmentation fault?
...nuces - Google around. For Arch Linux, read this wiki.archlinux.org/index.php/Core_dump
– Mawg says reinstate Monica
Jan 24 '17 at 16:35
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Git: How to edit/reword a merge commit's message?
... This is really useful, save me quite a bit of time. My company blocks some commit messages in the repository, which is easy with --amend or with rebase commands but: Big problem if we merge some branch into yours, do some commit and try to push, the default merge message of git is blocke...
When is TCP option SO_LINGER (0) required?
...zero linger timeout with linger off. Linger off means that close() doesn't block. Linger on with a positive timeout means that close() blocks for up to the timeout. Linger on with a zero timeout causes RST, and this is what the question is about.
– Marquis of Lorne
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Bash Templating: How to build configuration files from templates with Bash?
...m writing a script to automate creating configuration files for Apache and PHP for my own webserver. I don't want to use any GUIs like CPanel or ISPConfig.
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LESS CSS nesting classes
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LESS is still awesome, especially the PHP LESS preprocessor, with its modified, more flexible syntax. But until there's some sort of commonly accepted syntax, such problems will arise from time to time. In my view, this one is LESS' only drawback.
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Drawing an SVG file on a HTML5 canvas
...awImage(img, 0, 0);
}
img.src = image64;
svg, img, canvas {
display: block;
}
SVG
<svg height="40">
<rect width="40" height="40" style="fill:rgb(255,0,255);" />
<image xlink:href="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAEX0lEQVQ4jUWUyW6cVR...
How to check if a string contains a substring in Bash
... @bukzor Quotes stopped working here as of Bash 3.2+: tiswww.case.edu/php/chet/bash/FAQ E14). It's probably best to assign to a variable (using quotes), then compare. Like this: re="My s"; if [[ $string =~ $re ]]
– seanf
May 12 '15 at 0:55
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PostgreSQL: Modify OWNER on all tables simultaneously in PostgreSQL
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This: http://archives.postgresql.org/pgsql-bugs/2007-10/msg00234.php is also a nice and fast solution, and works for multiple schemas in one database:
Tables
SELECT 'ALTER TABLE '|| schemaname || '.' || tablename ||' OWNER TO my_new_owner;'
FROM pg_tables WHERE NOT schemaname IN ('pg_cat...
Bootstrap 3 and Youtube in Modal
...;
</html>
visit (link broken): https://parrot-tutorial.com/run_code.php?snippet=bs4_modal_youtube
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