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Is a url query parameter valid if it has no value?
...ikely acceptable to your server-side framework/code
The URI RFC doesn't mandate a format for the query string. Although it is recognized that the query string will often carry name-value pairs, it is not required to (e.g. it will often contain another URI).
3.4. Query
The query componen...
Popstate on page's load in Chrome
I am using History API for my web app and have one issue.
I do Ajax calls to update some results on the page and use history.pushState() in order to update the browser's location bar without page reload. Then, of course, I use window.popstate in order to restore previous state when back-button i...
How to convert JSON to CSV format and store in a variable
...ead it. Is there a way to convert this data using JavaScript in CSV format and save it in JavaScript file?
16 Answers
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How to make lists contain only distinct element in Python? [duplicate]
...g aspect of this new implementation is considered an implementation detail and should not be relied upon". Since they're both based on hashes, I'd think set would be the same, but it's not mentioned, so apparently not: docs.python.org/3.6/whatsnew/3.6.html
– Mark
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How many concurrent requests does a single Flask process receive?
I'm building an app with Flask, but I don't know much about WSGI and it's HTTP base, Werkzeug. When I start serving a Flask application with gunicorn and 4 worker processes, does this mean that I can handle 4 concurrent requests?
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What should my Objective-C singleton look like? [closed]
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@Paul you can override the release method and make it empty. :)
– user142019
Mar 25 '11 at 22:20
4
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What is a .pid file and what does it contain?
I recently come across a file with the extension .pid and explored inside it but didn't find much. The documentation says:
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Quickly create a large file on a Linux system
...her answers is a good solution, but it is slow for this purpose. In Linux (and other POSIX systems), we have fallocate, which uses the desired space without having to actually writing to it, works with most modern disk based file systems, very fast:
For example:
fallocate -l 10G gentoo_root.img
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What's the best way to detect a 'touch screen' device using JavaScript?
I've written a jQuery plug-in that's for use on both desktop and mobile devices. I wondered if there is a way with JavaScript to detect if the device has touch screen capability. I'm using jquery-mobile.js to detect the touch screen events and it works on iOS, Android etc., but I'd also like to writ...
Hiding a password in a python script (insecure obfuscation only)
...onnection string. In this connection string I have to include the username and password for this connection.
21 Answers
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