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How can I write to the console in PHP?
... Firefox you can use an extension called FirePHP which enables the logging and dumping of information from your PHP applications to the console. This is an addon to the awesome web development extension Firebug.
http://www.studytrails.com/blog/using-firephp-in-firefox-to-debug-php/
Chrome
Howev...
Constructors in JavaScript objects
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@BorisB, yes you do - this defines color and getColor on the Box object, otherwise you're assigning variables in the usual scope.
– Nick
Jun 15 '12 at 16:23
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:after vs. ::after
Is there any functional difference between the CSS 2.1 :after and the CSS 3 ::after pseudo-selectors (other than ::after not being supported in older browsers)? Is there any practical reason to use the newer specification?
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SSH to Vagrant box in Windows?
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And then do that for every VM in Vagrant. You know, Vagrant works with multiple VM's. So, just use the proper solution, not workaround: there is my answer below. Small patch in Vagrant.
– Michael Field
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Markdown: continue numbered list
...block belongs to the list item 2. Otherwise, it's just a normal paragraph, and will end the list.
– Macmade
Aug 6 '13 at 19:53
48
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What is `params.require(:person).permit(:name, :age)` doing in Rails 4?
...tionController::Parameters, which provides several methods such as require and permit.
The require method ensures that a specific parameter is present, and if it's not provided, the require method throws an error. It returns an instance of ActionController::Parameters for the key passed into requi...
How do I force a DIV block to extend to the bottom of a page even if it has no content?
...ou are using:
html,body { height:100%; }
You may need to adjust padding and margins as well, but this will get you 90% of the way there.If you need to make it work with all browsers you will have to mess around with it a bit.
This site has some excellent examples:
http://www.brunildo.org/test/h...
Find the version of an installed npm package
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On mac and linux it's nice to add " | grep module_name", to filter the desired module version. Especially when running globally with -g. For example: "npm list -g | grep express" to get the installed express version.
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Prepend text to beginning of string
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Perhaps this should be the new standard: each post must also include relevant XKCD.
– Brett84c
Sep 12 '18 at 20:33
1
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How can I remove all objects but one from the workspace in R?
I have a workspace with lots of objects and I would like to remove all but one. Ideally I would like to avoid having to type rm(obj.1, obj.2... obj.n) . Is it possible to indicate remove all objects but these ones ?
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