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Is there any Rails function to check if a partial exists?
...the following in my Rails 3/3.1 projects:
lookup_context.find_all('posts/_form').any?
The advantage over other solutions I've seen is that this will look in all view paths instead of just your rails root. This is important to me as I have a lot of rails engines.
This also works in Rails 4.
...
What is in your Mathematica tool bag? [closed]
...;/@x, _, h][[2]];
This allows me to group lists by any criteria and transform them in the process. The way it works is that a criteria function (f) tags each item in the list, each item is then transformed by a second supplied function (g), and the specific output is controlled by a third functio...
Why doesn't height: 100% work to expand divs to the screen height?
...
You should try with the parent elements;
html, body, form, main {
height: 100%;
}
Then this will be enough :
#s7 {
height: 100%;
}
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Should functions return null or an empty object?
... collections the situation is usually different. I remember some guideline form MS that methods should accept null as an 'empty' list but return collections of zero-length rather than null. The same for strings. Note that you can declare empty arrays: int[] arr = new int[0];
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How to strip all whitespace from string
... ASCII whitespace:
(regular) space
tab
new line (\n)
carriage return (\r)
form feed
vertical tab
Additionally:
for Python 2 with re.UNICODE enabled,
for Python 3 without any extra actions,
...\s also covers the Unicode whitespace characters, for example:
non-breaking space,
em space,
ideographi...
How do I change selected value of select2 dropdown with JqGrid?
...n't have any custom actions binded to the change event (like reloading the form). Otherwise those actions would be called redundantly upon triggered change().
– van_folmert
Feb 22 '16 at 10:37
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Is there a limit to the length of a GET request? [duplicate]
...HOULD be able to handle URIs of unbounded length if they
provide GET-based forms that could generate such URIs. A server
SHOULD return 414 (Request-URI Too Long) status if a URI is longer
than the server can handle (see section 10.4.15).
Note: Servers should be cautious about depending on URI lengt...
doesn't inherit the font from
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@diEcho, this is true for all elements besides form elements, which inherit from the current system styling so they maintain a feel that is familiar to the user (by default), but they are manually overridable.
– Gabriele Petrioli
May...
Laravel - Route::resource vs Route::controller
...d for? It is a GET method, so I'm presuming it is supposed to full full information on a resource, rather than just limited information via 'resource.show'?
– Anthony
Aug 21 '14 at 18:42
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PHPDoc type hinting for array of objects?
...ds this method:
specified containing a single type, the Type definition informs the reader of the type of each array element. Only one Type is then expected as element for a given array.
Example: @return int[]
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