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How to return multiple lines JSX in another return statement in React?
...ap multiple elements
render() {
return (
{[1,2,3].map(function (n, index) {
return (
<React.Fragment key={index}>
<h3>Item {n}</h3>
<p>Description {n}</p>
</React.Fragment>
)
}}
);
}
As per the do...
How to initialize a List to a given size (as opposed to capacity)?
... list to be initialised with a fixed set of nulls before populating via an index (and adding extras afterwards, so an array was unsuitable). This answer gets my vote for being practical and simple.
– Gone Coding
Feb 26 '14 at 11:53
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Safe characters for friendly url [closed]
...ct is fairly straightforward: [...] params.toString() // "key=730d67"" (3) PHP Manual, http-build-query: "Generate URL-encoded query string. [...] The above example will output: 0=foo&1=bar[...]" (4) J. Starr, Perishable Press: "When building web pages, it is often necessary to add links that re...
Automatic Retina images for web sites
...ring the screen resolution, a web server configured to serve images from a PHP script, and named script to read the cookie and serve the appropriate image.
A bunch of possibilities well described and discussed on Smashing Magazine.
Serving just slightly higher resolutions to smooth retina portrayal ...
Using module 'subprocess' with timeout
...nux) in the context of an Apache module (like mod_python, mod_perl, or mod_php), I've found the use of signals and alarms to be disallowed (presumably because they interfere with Apache's own IPC logic). So to achieve the goal of timing out a command I have been forced to write "parent loops" which ...
Versioning SQL Server database
...ibes in more detail what it does. red-gate.com/products/SQL_Source_Control/index.htm
– David Atkinson
Jul 1 '10 at 9:13
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What are the lesser known but useful data structures?
...ctional programming (in imperative languages you just keep a pointer or an index). Also tbh I still don't get how Zippers really work.
– Stefan Monov
May 24 '10 at 14:23
4
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SVN encrypted password store
... You can get it without recompiling, based on ubuntuforums.org/showthread.php?t=1348567. Just set this to ~/.subversion/config [auth] password-stores = gnome-keyring
– fikr4n
Apr 29 '12 at 3:21
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Running a cron job at 2:30 AM everyday
...running you can check Debugging crontab or Why is crontab not executing my PHP script?.
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How long do browsers cache HTTP 301s?
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I confirm that redirecting back (with a PHP redirection in my case) works perfectly on Google Chrome as long as (obviously) you removed the initial 301 redirect.
– Vincent Poirier
Mar 14 '17 at 14:00
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