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Rails 4 multiple image or file upload using carrierwave
...loads
I will use Product as the model I want to add the pictures, as an example.
Get the master branch Carrierwave and add it to your Gemfile:
gem 'carrierwave', github:'carrierwaveuploader/carrierwave'
Create a column in the intended model to host an array of images:
rails generate migration ...
How to resolve “must be an instance of string, string given” prior to PHP 7?
...
Prior to PHP 7 type hinting can only be used to force the types of objects and arrays. Scalar types are not type-hintable. In this case an object of the class string is expected, but you're giving it a (scalar) string. The error messa...
SVN needs-lock 设置强制只读属性（官方资料） - 环境配置 - 清泛IT论坛，...
...(
echo commit denied, binary files must have property svn:needs-lock >&2
type %TEMP%\tempfile%2 >&2
del %TEMP%\tempfile%2
EXIT /B 1
)
)
del %TEMP%\tempfile%2
:NOFILESADDED
EXIT /B 0复制代码
As an alternative, this modification to the script above handles long filenames and...
What are fixtures in programming?
...
I think PHP-unit tests have very good explaining of this:
One of the most time-consuming parts of writing tests is writing the
code to set the world up in a known state and then return it to its
original state when the test i...
What is the difference between HTTP_HOST and SERVER_NAME in PHP?
What is the difference between HTTP_HOST and SERVER_NAME in PHP?
10 Answers
10
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Merge, update, and pull Git branches without using checkouts
...git fetch <remote> <sourceBranch>:<destinationBranch>
Examples:
# Merge local branch foo into local branch master,
# without having to checkout master first.
# Here `.` means to use the local repository as the "remote":
git fetch . foo:master
# Merge remote branch origin/foo into...
How can javascript upload a blob?
...fd.append('data', soundBlob);
$.ajax({
type: 'POST',
url: '/upload.php',
data: fd,
processData: false,
contentType: false
}).done(function(data) {
console.log(data);
});
You need to use the FormData API and set the jQuery.ajax's processData and contentType to false.
...
Can I extend a class using more than 1 class in PHP?
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No limitations as far as I know, PHP is a very permissive language for little hacks like this. :) As others have pointed out, it's not the proper OOP way of doing it though.
– Franck
Dec 10 '08 at 18:58
...
Can't use method return value in write context
...following piece of code should work, but it doesn't (Edited: Now works in PHP 5.5+) :
8 Answers
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How to deny access to a file in .htaccess
...ss file in the root of a virtual server (apache 2.4):
<Files "reminder.php">
require all denied
require host localhost
require ip 127.0.0.1
require ip xxx.yyy.zzz.aaa
</Files>
This prevents external access to reminder.php which is in a subdirectory.
I have a similar .htaccess file on ...