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Writing files in Node.js
... Maybe it's a bit old, but @AndersonGreen, you need to run node as root or chmod /home properly to allow R/W permissions to current node process owner (your username tough) so you can write the file
– Denys Vitali
Jan 2 '14 at 23:34
...
When is layoutSubviews called?
...nterface orientation change occurs, which usually triggers a change in the root view’s bounds rectangle.
c. The set of Core Animation sublayers associated with the view’s layer changes and requires layout.
d. Your application forces layout to occur by calling the setNeedsLayout or layoutI...
Focus Next Element In Tab Index
...estart search from the start of the document
walker.currentNode = walker.root;
walker.nextNode();
}
if (walker.currentNode && walker.currentNode != walker.root)
walker.currentNode.focus();
This only considers some tags and ignores tabindex attribute but might be enough depending on w...
How do iOS Push Notifications work?
.../2-based TLS sessions with APNs, you must ensure that a GeoTrust Global CA root certificate is installed on each of your providers. If a provider is running macOS, this root certificate is in the keychain by default. On other systems, this certificate might require explicit installation. You can dow...
Convert a string representation of a hex dump to a byte array using Java?
...nings:
in Java 9 Jigsaw this is no longer part of the (default) java.se root
set so it will result in a ClassNotFoundException unless you specify
--add-modules java.se.ee (thanks to @eckes)
Not available on Android (thanks to Fabian for noting that), but you can just take the source code if your ...
Primary key/foreign Key naming convention [closed]
...
The "using" keyword is MySql specific. Doesn't work in T-SQL—unfortunately.
– birdus
Aug 8 '17 at 18:46
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puts vs logger in rails rake tasks
...stions/2246141/puts-vs-logger-in-rails-rake-tasks
log_file = Rails.root.join("log", "#{Rails.env}.log")
Rails.logger = ActiveSupport::Logger.new(log_file)
Rails.logger.extend(ActiveSupport::Logger.broadcast(ActiveSupport::Logger.new(STDOUT)))
end
Test
Here's a small Rake task to...
Margin-Top push outer div down
...llapse their top margins with their parent block’s bottom margin.)
* the root element
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Provide an image for WhatsApp link sharing
...m/image.png" />
or starting out with a slash (if the image is in the root directory):
<meta property="og:image" content="/image.png" />
(I would have added this as a comment, but I'm not allowed to yet. Moderators feel free to move this if more appropriate.)
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Add … if string is too long PHP [duplicate]
I have a description field in my MySQL database, and I access the database on two different pages, one page I display the whole field, but on the other, I just want to display the first 50 characters. If the string in the description field is less than 50 characters, then it won't show ... , but if...