大约有 47,000 项符合查询结果（耗时：0.0732秒） [XML]
Rails: How to reference images in CSS within Rails 4
... compiled they have hashes added to them, yet the reference to those files from within CSS don't have the proper name adjusted. Here's what I mean. I have a file called logo.png. Yet when it shows up on heroku it is viewed as:
...
Absolute positioning ignoring padding of parent
... left: 0;
right: 0;
}
It lets the child element inherit the padding from the parent, then the child can be positioned to match the parents widht and padding.
Also, I am using box-sizing: border-box; for the elements involved.
I have not tested this in all browsers, but it seems to be workin...
Parsing JSON giving “unexpected token o” error [duplicate]
...
how to detect from jquery if data is already a valid json object?
– mko
Sep 15 '14 at 10:30
2
...
Why do we need C Unions?
...
@spin_eight: It's not "converting" from float to int. More like "reinterpreting the binary representation of a float as if it were an int". The output is not 3: ideone.com/MKjwon I'm not sure why Adam is printing as hex, though.
– endo...
Using app.configure in express
...
Be aware that app.configure is completely removed from version 4.0! github.com/visionmedia/express/issues/936
– Ilan Frumer
May 1 '14 at 6:21
2
...
How are everyday machines programmed?
...imple systems like that don't carry an operating system. They simply load from a start address in memory and you put your code there. Often these systems have their "code" burned into EEPROMS that act as the hard drive of the system. Screw up the code after burning the proms, throw the chips away...
When are you supposed to use escape instead of encodeURI / encodeURIComponent?
...irable characteristics and in the absence of legacy usage would be removed from this specification. ...
... Programmers should not use or assume the existence of these features and behaviours when writing new ECMAScript code....
Behaviour:
https://developer.mozilla.org/en-US/docs/Web/JavaScript...
How do I replace the *first instance* of a string in .NET?
...urrences of the regex pattern that you want to replace in the input string from the beginning of the string.
I was hoping this could be done with a static Regex.Replace overload but unfortunately it appears you need a Regex instance to accomplish it.
...
What HTTP status response code should I use if the request is missing a required parameter?
...andard, but I would have used 400 Bad Request, which the latest HTTP spec (from 2014) documents as follows:
6.5.1. 400 Bad Request
The 400 (Bad Request) status code indicates that the server cannot or
will not process the request due to something that is perceived to be
a client ...
How can I rename a database column in a Ruby on Rails migration?
...tion to add columns with the new name(s) and populate them with the values from the old column name.
class AddCorrectColumnNames < ActiveRecord::Migration
def up
add_column :table, :correct_name_column_one, :string
add_column :table, :correct_name_column_two, :string
puts 'Updatin...