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What is the theoretical maximum number of open TCP connections that a modern Linux box can have
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Inside the TCP stack, these four fields are used as a compound key to match up packets to connections (e.g. file descriptors).
If a client has many connections to the same port on the same destination, then three of those fields will be the same - only source_port varies to differentiate the...
Basic example of using .ajax() with JSONP?
Please could someone help me work out how to get started with JSONP?
4 Answers
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Check if directory mounted with bash
...grep, which indicates if there was a match. Since I don't want the output to be displayed when there is a match, I'm redirecting it to /dev/null.
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Is git's semi-secret empty tree object reliable, and why is there not a symbolic name for it?
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git hash-object -t tree --stdin < /dev/null
So I guess it is safer to define a variable with the result of that command as your empty sha1 tree (instead of relying of a "well known value").
Note: Git 2.25.1 (Feb. 2020) proposes in commit 9c8a294:
empty_tree=$(git mktree </dev/null)
# Wi...
jQuery to loop through elements with the same class
I have a load of divs with the class testimonial and I want to use jquery to loop through them to check for each div if a specific condition is true. If it is true, it should perform an action.
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Failed to load JavaHL Library
After updating to Snow Lion I started receiving these errors in Flash Builder / Eclipse when trying to use SVN:
11 Answers...
Executing multiple commands from a Windows cmd script
I'm trying to write a Windows cmd script to perform several tasks in series.
However, it always stops after the first command in the script.
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Explanation of [].slice.call in javascript?
I stumbled onto this neat shortcut for converting a DOM NodeList into a regular array, but I must admit, I don't completely understand how it works:
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PHP DOMDocument errors/warnings on html5-tags
I've been attempting to parse HTML5-code so I can set attributes/values within the code, but it seems DOMDocument(PHP5.3) doesn't support tags like <nav> and <section> .
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Cordova: start specific iOS emulator image
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To find out what are the simulator images available you can use to list them
$ cordova emulate ios --list
Available iOS Virtual Devices:
iPhone-4s, 9.3
iPhone-5, 9.3
iPhone-5s, 9.3
iPhone-6, 9.3
iPhone-6-...