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How do you send a HEAD HTTP request in Python 2?
...to be able to see if http://somedomain/foo/ will return an HTML document or a JPEG image for example. Thus, I need to figure out how to send a HEAD request so that I can read the MIME type without having to download the content. Does anyone know of an easy way of doing this?
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Vagrant's port forwarding not working [closed]
I'm running into a small problem at the end of the Getting Started guide for vagrant . I'm working on a CentOS basebox that has Apache2 running (provisioning via Puppet). I've set up port forwarding for web requests using the following line in Vagrantfile :
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Best way to “negate” an instanceof
...ne when you say "beautiful", but what about this? I personally think it's worse than the classic form you posted, but somebody might like it...
if (str instanceof String == false) { /* ... */ }
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Saving image from PHP URL
....com/image.php”) then our script automatically fetch the new image and store it to my directory?
– riad
Apr 7 '09 at 8:26
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How to avoid java.util.ConcurrentModificationException when iterating through and removing elements
...values you wish to remove, adding to that list within the loop, then call originalList.removeAll(valuesToRemove) at the end
Use the remove() method on the iterator itself. Note that this means you can't use the enhanced for loop.
As an example of the second option, removing any strings with a len...
How can I force browsers to print background images in CSS?
This question was asked before but the solution is not applicable in my case. I want to make sure certain background images are printed because they are integral to the page. (They are not images directly in the page because there are several of them being used as CSS sprites.)
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Comparing strings by their alphabetical order
I want to compare the two above string by their alphabetic order (which in this case "Project" then "Sunject" as "P" comes before "S").
Does anyone know how to do that in Java?
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How to get current time with jQuery
The following returns time in microseconds, for example 4565212462.
15 Answers
15
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How to convert String object to Boolean Object?
...vantage:
Boolean: this does not create new instances of Boolean, so performance is better (and less garbage-collection). It reuses the two instances of either Boolean.TRUE or Boolean.FALSE.
boolean: no instance is needed, you use the primitive type.
The official documentation is in the Javadoc....
Timeout function if it takes too long to finish [duplicate]
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The process for timing out an operations is described in the documentation for signal.
The basic idea is to use signal handlers to set an alarm for some time interval and raise an exception once that timer expires.
Note that this will o...