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Rails update_attributes without save?
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I believe what you are looking for is assign_attributes.
It's basically the same as update_attributes but it doesn't save the record:
class User < ActiveRecord::Base
attr_accessible :name
attr_accessible :name, :is_admin, :as => :admin
end
user = User.new
user.assign_attributes({...
Looking for ALT+LeftArrowKey solution in zsh
...hrc
bindkey "^[[1;3C" forward-word
bindkey "^[[1;3D" backward-word
(Actually I prefer to use Ctrl + arrow to move word by word, like in a normal textbox under windows or linux gui.)
Related question: Fix key settings (Home/End/Insert/Delete) in .zshrc when running Zsh in Terminator Terminal Emul...
How do I run Visual Studio as an administrator by default?
...ied and pasted from here, the Using Advanced Properties section. This will allow you to always have the program run as an administrator when you open it.
Windows 7:
Right click on the shortcut of the program, then click on Properties.
Click on the Shortcut tab for a program shortcut, then click o...
How do I add a delay in a JavaScript loop?
...ick succession. That is why your first alerts pops up after 3 seconds, and all the rest follow in succession without any delay.
You may want to use something like this instead:
var i = 1; // set your counter to 1
function myLoop() { // create a loop function
se...
Can I access variables from another file?
Is it possible to use a variable in a file called first.js inside another file called second.js ?
9 Answers
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The request was aborted: Could not create SSL/TLS secure channel
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I finally found the answer (I haven't noted my source but it was from a search);
While the code works in Windows XP, in Windows 7, you must add this at the beginning:
// using System.Net;
ServicePointManager.Expect100Continue =...
Xcode 6 Bug: Unknown class in Interface Builder file
...e the Module text box, and press enter.
That's it! The current module for all of my custom objects must have been internally incorrectly set somehow in Xcode 6 beta 4. But there was no visual indication of this in the inspector.
Note that if pressing enter inside the Module text box doesn't work, ...
psql invalid command \N while restore sql
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Postgres uses "\N" as substitute symbol for NULL value. But all psql commands starts by backslash "\" symbol. So you can get this messages, when probably copy statement fails, but a loading of dump continues. This message is only false alarm. You have to search a lines before for reas...
How do I set vertical space between list items?
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specifically, use margin on the li elements not the ul element.
– duanev
Apr 21 at 2:00
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Why is it recommended to have empty line in the end of a source file?
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@NickM Almost all POSIX/Unix command-line tools that take text input or read a text file assume a line ending (\n) at end of file. Several text editors, like Vim, and several compilers (notably C++ and Python) will issue warnings. (In C++'...