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My site loads images based on names that are created for them. It loads images assuming that they're there when sometimes they're not. Every time it loads an image like this:
<img src="/myimages/my-image.jpg" alt=""/>
if it's not there on the server...
Started by Matt on
, 3 posts
by 3 people.
Answer Snippets (Read the full thread at stackoverflow):
If this isn't an option, you can use ajax:
call a page.
The HTML file is ever sent to the client.
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How can you tell when a button is being pressed? Specifically, how can you do something while a button is down?
Started by Jack Null on
, 3 posts
by 3 people.
Answer Snippets (Read the full thread at stackoverflow):
If you ctrl-click an inspector that shows....
Interface builder for iPhone can actually demux different types of events.
Developer.apple.com/iphone/library/samplecode/GLPaint/
You can also do it by creating an IBAction and connecting it IB.
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In my global.asax, can I output the current route/action being fired?
this is the debug something.
Started by mrblah on
, 3 posts
by 3 people.
Answer Snippets (Read the full thread at stackoverflow):
You could store the output in the Session, and if it exists, write it to the page in the master page, or you could simply log to a logging service like elmah... .
Global.asax doesn't have access to the response stream, so you cant write on a page directly .
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Ask your Facebook Friends
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If I have two objects, one being referenced in another. Then in the first object can I write a method which will give me which other objects it is being referenced in?
Started by globetrotter on
, 3 posts
by 3 people.
Answer Snippets (Read the full thread at stackoverflow):
I am not sure how to do it out of the box, but maybe the following post might help you:
What is a ruby object? (introducing Memprof.dump)
Perhaps digging around in ObjectSpace could help:
#!/usr/bin/ruby1.8 include ObjectSpace def print_references_to... .
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In other words, can fn() know that it is being used as $var = fn(); rather than as fn(); ?
A use case would be to echo the return value in the latter case but to return it in the former.
Can this be done without passing a parameter to the function to ...
Started by eyelidlessness on
, 8 posts
by 7 people.
Answer Snippets (Read the full thread at stackoverflow):
For example:
function use of SO, but I really want to find ... .
That said, what you can do about, but you can set a buffer, which will capture the output into a variable instead.
Part (function) is completely isolated from its surroundings.
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Since a finalizer being called usually indicates a missing Dispose() call, I would like determine what finalizers are being called.
Started by jyoung on
, 3 posts
by 3 people.
Answer Snippets (Read the full thread at stackoverflow):
But profilers/perfromance counters can help in this regard..
Be the right answer.
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In Perl, is it possible to determine if a script is being executed within another script (presumably via system or qx )?
$ cat foo.pl print "foo"; print "\n" if not $in_qx; # or the like.
I realize this is not applicable if the script was being run via...
Started by Danny on
, 4 posts
by 4 people.
Answer Snippets (Read the full thread at stackoverflow):
You can sort of tell if the program was run from open , qx// , open2 , or open3 by using the isatty function from POSIX , but there is no good way to determine if you are being run by system without looking at the process tree, and even....
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In the book Head First Java, pages 520 and 521, there is a method that isn't a constructor and isn't mentioned again. The method is run() , and none of the code explicitly calls that method... but it's executing anyway.
How can a method execute without...
Started by Delirium tremens on
, 3 posts
by 3 people.
Answer Snippets (Read the full thread at stackoverflow):
When the thread is started using the start....
Usually 1 you start a new thread by creating an instance of Thread , passing in an instance of Runnable .
Without having the book, my guess is that the class is either extending Thread or implementing Runnable .
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Is there any easy way to distinguish between an ASP.NET MVC controller action being hit "directly" due to a client web browser request, and being hit by virtue of a Controller.RedirectToAction call or a RedirectToRoute result?
Started by Rob Levine on
, 4 posts
by 4 people.
Answer Snippets (Read the full thread at stackoverflow):
Kindness,
Dan
You may have the option of adding....
Otherwise it would be the URL that corresponds to the action method visited "directly" .
Request.ServerVariables["http_referrer"] would be empty if is the action is hit from a redirect to action, I think .
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ORMapper that I use extends some of its own attributse all objects that mapped, now I need to generate XML from objects, but I don't want to generate information about my ORMapper related objects, so how can I exclude ORMapper related classes from being...
Started by newbie on
, 3 posts
by 3 people.
Answer Snippets (Read the full thread at stackoverflow):
But I am just afraid if you are....
By the way, is there any particular reason you are using Betwixt? May be the app is already using that, thats fair enough .
See here, the "Ignoring properties" section
Take a look here, go to section Ignoring Properties .
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