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How to manage a redirect request after a jQuery Ajax call
I'm using $.post() to call a servlet using Ajax and then using the resulting HTML fragment to replace a div element in the user's current page. However, if the session times out, the server sends a redirect directive to send the user to the login page. In this case, jQuery is replacing the div ...
Is there a “standard” format for command line/shell help text?
If not, is there a de facto standard? Basically I'm writing a command line help text like so:
8 Answers
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Split a string on whitespace in Go?
...n those expression matches.
The slice returned by this method consists of all the substrings
of s not contained in the slice returned by FindAllString. When called
on an expression that contains no metacharacters, it is equivalent to strings.SplitN.
Example:
s := regexp.MustCompile("a*").Split("a...
Nginx 403 error: directory index of [folder] is forbidden
I have 3 domain names and am trying to host all 3 sites on one server (a Digital Ocean droplet) using Nginx.
19 Answers
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Pointer vs. Reference
...meter then you must either check explicitly that it is not NULL, or search all usages of the function to be sure that it is never NULL. This effort is not required for references.
– Richard Corden
Sep 22 '08 at 11:10
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A cron job for rails: best practices?
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I'm using the rake approach (as supported by heroku)
With a file called lib/tasks/cron.rake ..
task :cron => :environment do
puts "Pulling new requests..."
EdiListener.process_new_messages
puts "done."
end
To execute from the command line, this is just "rake cron". This command ...
Getter and Setter?
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That's not really setter and getter. Typically I need for each property different implementation of getter!
– sumid
Feb 16 '13 at 0:59
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How to add image to canvas
...xt.drawImage(base_image, 0, 0);
}
}
I.e. draw the image in the onload callback of the image.
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Can't use Swift classes inside Objective-C
... -Swift.h file, only the bridging headers. So I created it, but it's actually empty.
I can use all my ObjC classes in Swift, but I can't do it vice versa. I marked my swift class with @objc but it didn't help. What can I do now?
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Questions every good Java/Java EE Developer should be able to answer? [closed]
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+1 @Jon: I usually subscribe to the "no need to memorize details" school of thought, but if you don't even know the basic conceptual differences between those basic interfaces, then you're definitely not a good Java developer.
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