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Why is the shovel operator (
...g a new one. The reason for this is that in ruby a += b is syntactic shorthand for a = a + b (the same goes for the other <op>= operators) which is an assignment. On the other hand << is an alias of concat() which alters the receiver in-place.
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Rails layouts per action?
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Cool, thanks. And in case someone wants to do simpler things with one-liner the following is possible. Its easy to read and place in top of the controller. --- layout Proc.new{ ['index', 'new', 'create'].include?(action_name) ? 'some_layou...
How to uninstall a Windows Service when there is no executable for it left on the system?
...e Windows Resource Kit) by running the following in an "administrator" command prompt:
sc.exe delete <service name>
where <service name> is the name of the service itself as you see it in the service management console, not of the exe.
You can find sc.exe in the System folder and it ...
What does a script-Tag with src AND content mean?
...the src script, regardless of success. Since this behaviour is unreliable (and prohibited in HTML5), it should be avoided.
Google isn't relying an any specific behaviour. Since the content is just an object literal (a value), executing it would not actually do anything except cause a silent error. ...
Difference between using Throwable and Exception in a try catch
... highest "catch all" level of a thread where you want to log or otherwise handle absolutely everything that can go wrong. It would be more typical in a framework type application (for example an application server or a testing framework) where it can be running unknown code and should not be affecte...
Detect all Firefox versions in JS
... I'd emphasize what @TomášZato said. This is not a complex search and therefore regex should not be used... or am I missing something about the regex?
– dudewad
Oct 20 '14 at 2:13
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ExpressJS How to structure an application?
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OK, it's been a while and this is a popular question, so I've gone ahead and created a scaffolding github repository with JavaScript code and a long README about how I like to structure a medium-sized express.js application.
focusaurus/express_co...
What is a “symbol” in Julia?
...ent than a string is that strings are mutable while symbols are immutable, and symbols are also "interned" – whatever that means. Strings do happen to be mutable in Ruby and Lisp, but they aren't in Julia, and that difference is actually a red herring. The fact that symbols are interned – i.e....
How to get error information when HttpWebRequest.GetResponse() fails
I am initiating an HttpWebRequest and then retrieving it's response. Occasionally, I get a 500 (or at least 5##) error, but no description. I have control over both endpoints and would like the receiving end to get a little bit more information. For example, I would like to pass the exception mes...
How to make a div fill a remaining horizontal space?
I have 2 divs: one in the left side and one in the right side of my page. The one in the left side has fixed width and I want the one of the right side to fill the remaining space.
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