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Rails: update_attribute vs update_attributes
...pdated to Rails 4) update_attribute, update, update_column, update_columns etc. http://www.davidverhasselt.com/set-attributes-in-activerecord/. For example it differs in aspects such as running validations, touching object's updated_at or triggering callbacks.
As an answer to the OP's question upda...
Center image using text-align center?
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This worked for me when display:block, etc. would not.
– matthewsheets
Aug 27 '15 at 20:35
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Code block in numbered list (Wiki syntax)
...it look a little more polished.
== HAProxy Configuration ==
#'''File:''' /etc/haproxy/haproxy.cfg
<blockquote>
<pre>
global
log 127.0.0.1 local1 notice
maxconn 4096
#daemon
debug
crt-base /usr/local/haproxy/ssl
</pre>
</blockquote>
Which will indent the gray box ...
Vim: faster way to select blocks of text in visual mode
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v%
will select the whole block.
Play with also:
v}, vp, vs, etc.
See help:
:help text-objects
which lists the different ways to select letters, words, sentences, paragraphs, blocks, and so on.
“Could not find any information for class named ViewController”
...o make connections, assistant editors recognizes the class in "Automatic", etc...
Works every time.
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How do I find and view a TFS changeset by comment text?
...ced it's really looking for the local map path, so it was C:\tfs\myfolders\etc, not the url path from the server's point of view.
– goodeye
Oct 7 '11 at 0:46
1
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What exactly does a jar file contain?
...oOne.class
if all .class is to be group (say, Demo.class , DemoOne.class etc) then use command jar -cvf NameOfJarFile.jar *.class
2.To extract Jar File (Unzip File)
jar -xvf NameOfJarFile.jar
3.To display table of content
jar -tvf NameOfJarFile.jar
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What is the best way to test for an empty string with jquery-out-of-the-box?
...d answer will fail when you input a 0, however it will work for 1, 2, 3, 4 etc.
– Steven
Jun 19 '14 at 20:18
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do N times (declarative syntax)
... you! I would like to benefit from a declarative syntax (just like Jasmine etc)
– BreakPhreak
Jun 12 '12 at 9:28
right...
What exactly is node.js used for? [closed]
...deJS:
REST APIs and Backend Applications
Real-Time services (Chat, Games etc)
Blogs, CMS, Social Applications.
Utilities and Tools
Anything that is not CPU intensive.
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