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Sending websocket ping/pong frame from browser
...quite essential for the client application to regularly ping the server in order to ensure the connection has not been lost.
– Noel Abrahams
May 19 '16 at 10:08
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Rails: Check output of path helper from console
...cts".* FROM "spree_products" WHERE "spree_products"."deleted_at" IS NULL ORDER BY "spree_products"."id" ASC LIMIT 1
=> "<a data-method=\"get\" href=\"/products/this-is-the-title\">test</a>"
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Python - 'ascii' codec can't decode byte
...ely choose whichever keymap you want instead of en_EN.) You can also edit /etc/locale.conf (or whichever file governs the locale definition in your system) to correct this.
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Change a Rails application to production
...-6
Make absolute certain that after Passenger is set up you've edited the /etc/httpd/conf/httpd.conf file to reflect your directory structure. You want to point DocumentRoot to your Rails project /public folder Anywhere in the httpd.conf file that has this sort of dir: /var/www/html/your_application...
How to create border in UIButton?
... above allows you to set other properties like corner radius, maskToBounds etc...
Also, a good article on button fun:
https://web.archive.org/web/20161221132308/http://www.apptite.be/tutorial_custom_uibuttons.php
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What is the fastest or most elegant way to compute a set difference using Javascript arrays?
...values (no duplicates) in array a and not in b,
// listed in the same order as in array a.
var hash = getHash(b);
var diff = [];
for (var i=0; i<a.length; i++){
var value = a[i];
if ( !hash[value]){
diff.push(value);
}
}
return diff;
}
...
Insert line after first match using sed
...to escape everything first using ${var//} before, or another sed statement etc.
This solution is a little less messy in scripts (that quoting and \n is not easy to read though), when you don't want to put the replacement text for the a command at the start of a line if say, in a function with inden...
Simulate airplane mode in iPhone Simulator
...
so it means you can edit hosts files in order to achieve the same, thanks for the idea buddy.
– panchicore
Feb 12 '19 at 13:59
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Full-screen iframe with a height of 100%
...er) that the iframe's parent has a height. And its parent. And its parent. Etc:
html, body { height: 100%; }
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Node.js + Express: Routes vs controller
...s/paths (ex. /user/:id) and connect them to Get, Post, Put/Update, Delete, etc. and then in the routes folder:
const subController = require('./../controllers/subController');
Router.use('/subs/:id);
Router
.route('subs/:id');
.get(
subController.getSub
.patch(
subController.updateSub
);
...