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Get first key in a (possibly) associative array?
...just iterates a pointer, similar to using the more low-level next, current etc.
– troelskn
Mar 27 '14 at 8:34
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show 3 more comments
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How to get div height to auto-adjust to background size?
...ore hand which you usually do. This will let you add overlay text, titles etc. with no negative padding or absolute positioning of the image. They key is to set the padding % to match the image aspect ratio as seen in the example below. I used this answer and essentially just added an image backgr...
Rails: Missing host to link to! Please provide :host parameter or set default_url_options[:host]
...s.
In each of your environment files (e.g. development.rb, production.rb, etc.) you can specify the default_url_options to use for action_mailer:
config.action_mailer.default_url_options = { host: 'lvh.me', port: '3000' }
However, these are not set for MyApp:Application.default_url_options:
$ M...
What's the best way to distribute Java applications? [closed]
... (create start menu entries, launchers, register with add/remove programs, etc.) and already bundles a Java runtime (so the user does not need to know or care about it). I would like to suggest our cross platform installation tool, BitRock InstallBuilder. Although it is not Java-based, it is commonl...
How to use CMAKE_INSTALL_PREFIX
...(should be /foo/bar/bubba
-- The C compiler identification is GNU 4.4.7
-- etc, etc,...
CIP = /usr/local (should be /foo/bar/bubba
CIP = /foo/bar/bubba (should be /foo/bar/bubba
-- Configuring done
-- Generating done
Second run
CIP = /foo/bar/bubba (should be /foo/bar/bubba
CIP = /foo/bar/bubba (...
SQL Server - stop or break execution of a SQL script
...e multiple blocks within Begin..End? Meaning STATEMENT; GO; STATEMENT; GO; etc etc? I'm getting errors and I guess that might be the reason.
– Joel Peltonen
May 6 '14 at 12:48
3
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Get the subdomain from a URL
...cause each TLD differs on what counts as a subdomain, second level domain, etc.
Keep in mind that there are top level domains, second level domains, and subdomains. Technically speaking, everything except the TLD is a subdomain.
In the domain.com.uk example, "domain" is a subdomain, "com" is a se...
Coding Conventions - Naming Enums
...ng by looking at a name. You can't tell if it's a class, method, property, etc.
– Bassinator
Feb 10 '18 at 17:20
3
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LEN function not including trailing spaces in SQL Server
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Also for varchar etc. this can be collation dependant and not even a straight forward division by 2 is reliable. See example here
– Martin Smith
Jul 13 '13 at 11:33
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How to change the opacity (alpha, transparency) of an element in a canvas element after it has been
...5 <canvas> element, I would like to load an image file (PNG, JPEG, etc.), draw it to the canvas completely transparently, and then fade it in. I have figured out how to load the image and draw it to the canvas, but I don't know how to change its opacity once it as been drawn.
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