大约有 48,000 项符合查询结果(耗时:0.0587秒) [XML]
Ruby on Rails. How do I use the Active Record .build method in a :belongs to relationship?
I have been unable to find any documentation on the .build method in Rails (i am currently using 2.0.2).
2 Answers
...
Convert a char to upper case using regular expressions (EditPad Pro)
I wrote a regular expression in hope that I will be able to replace every match (that is just one char) to upper case char. I am using EditPad Pro (however I am willing to use any other tool that would allow me to do this, as long as it is free to try, since I only need to do this once).
...
PDO closing connection
...
According to documentation you're correct (http://php.net/manual/en/pdo.connections.php):
The connection remains active for the lifetime of that PDO object. To
close the connection, you need to destroy the object by ensuring ...
How to change the opacity (alpha, transparency) of an element in a canvas element after it has been
Using the HTML5 <canvas> element, I would like to load an image file (PNG, JPEG, etc.), draw it to the canvas completely transparently, and then fade it in. I have figured out how to load the image and draw it to the canvas, but I don't know how to change its opacity once it as been drawn.
...
Debugging automatic properties
Is there any way to set breakpoint on setter/getter in auto-implemented property?
5 Answers
...
brew install gcc too time consuming
I'm doing a clean install of Mavericks, and accidentally did
1 Answer
1
...
How do I use the includes method in lodash to check if an object is in the collection?
lodash lets me check for membership of basic data types with includes :
3 Answers
3
...
Rails: redirect_to with :error, but flash[:error] empty
I'm trying to do a redirect while setting the flash[:error] value. (Rails 3.0.10)
3 Answers
...
How do I create a new GitHub repo from a branch in an existing repo?
...
I started with @user292677's idea, and refined it to solve my problem:
Create the new-repo in github.
cd to your local copy of the old repo you want to extract from, which is set up to track the new-project branch that will become the new-repo's master.
$ git push ...
How to set web.config file to show full error message
I deployed my MVC-3 application on windows Azure. But now when I am requesting it through staging url it shows me (Sorry, an error occurred while processing your request.) . Now I want to see the full error message, by default it is hiding that because of some security reasons. I know that we can...
