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Can someone explain collection_select to me in clear, simple terms?
... that you can pass. These are documented here, under the heading Options.
html_options : Whatever is passed here, is simply added to the generated html tag. If you want to supply a class, id, or any other attribute, it goes here.
Your association could be written as:
collection_select(:user, :pla...
Static link of shared library function in gcc
...linux.derkeiler.com/Newsgroups/comp.os.linux.development.apps/2004-05/0436.html
You need the static version of the library to link it.
A shared library is actually an executable in a special format
with entry points specified (and some sticky addressing issues
included). It does not have all the inf...
How to turn on front flash light programmatically in Android?
...e:http://developer.android.com/reference/android/content/pm/PackageManager.html for more information.
For turning on/off flashlight:
I googled out and got this about android.permission.FLASHLIGHT. Android manifests' permission looks promising:
<!-- Allows access to the flashlight -->
<...
What does FrameLayout do?
...se.
http://www.learn-android-easily.com/2013/05/frame-layout-in-androis.html
FrameLayout is designed to display a single item at a time. You can
have multiple elements within a FrameLayout but each element will be
positioned based on the top left of the screen. Elements that overlap
wi...
SVG: text inside rect
...
Using my html knowledge - which might well not apply here - it seems like the g element has an implicit size here and I'd like the rectangle to expand to it's size.
– George Mauer
Dec 20 '12 at 2...
Rails params explained?
...en params[:foo] would be "1" and params[:boo] would be "octopus".
In HTTP/HTML, the params are really just a series of key-value pairs where the key and the value are strings, but Ruby on Rails has a special syntax for making the params be a hash with hashes inside. For example, if the user's brow...
How can javascript upload a blob?
...(e) { ... };
xhr.send(file);
Granted, if you are replacing a traditional HTML multipart form with an "AJAX" implementation (that is, your back-end consumes multipart form data), you want to use the FormData object as described in another answer.
Source: New Tricks in XMLHttpRequest2 | HTML5 Rocks...
Multiline bash commands in makefile
...’) are interpreted differently.
https://www.gnu.org/software/make/manual/html_node/One-Shell.html
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Logical operator in a handlebars.js {{#if}} conditional
...
Note that this wasn't possible until HTMLBars in Ember 1.10. Also, those helpers come as an Ember CLI addon if you'd rather: github.com/jmurphyau/ember-truth-helpers.
– stephen.hanson
Jul 31 '15 at 15:06
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Maximum on http header values?
... on apache 2.4 which remains the same : httpd.apache.org/docs/2.4/mod/core.html#limitrequestfieldsize : Apache 2.0, 2.2,2.4: 8K
– Med Ali Difallah
Apr 4 '17 at 14:15
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