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Java ResultSet how to check if there are any results
...n a resultset from type "forward only".
Compare the two throw sections:
http://docs.oracle.com/javase/7/docs/api/java/sql/ResultSet.html#isBeforeFirst()
http://docs.oracle.com/javase/7/docs/api/java/sql/ResultSet.html#first()
Okay, basically this means that you should use "isBeforeFirst" as long...
Python 3: ImportError “No Module named Setuptools”
...rt". Installation instructions for distribute(setuptools) + pip:
curl -O http://python-distribute.org/distribute_setup.py
python distribute_setup.py
easy_install pip
Similar issue here.
UPDATE: Distribute seems to be obsolete, i.e. merged into Setuptools: Distribute is a deprecated fork of the...
When do you use POST and when do you use GET?
...se GET when it's safe to allow a person to call an action. So a URL like:
http://myblog.org/admin/posts/delete/357
Should bring you to a confirmation page, rather than simply deleting the item. It's far easier to avoid accidents this way.
POST is also more secure than GET, because you aren't sti...
Git Commit Messages: 50/72 Formatting
...m Pope argues for a particular Git commit message style in his blog post:
http://www.tpope.net/node/106 .
5 Answers
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What does href expression do?
...th <a href="#">...</a> will not cause your browser to send any HTTP requests anywhere; all it will do is scroll to the top of the page.
– Mark Reed
Dec 10 '13 at 18:46
...
$(window).width() not the same as media query
...nsistent with the CSS media queries and the browser support is quite good: http://caniuse.com/#feat=matchmedia
UPDATE:
If you have to support more browsers you can use Modernizr's mq method, it supports all browsers that understand media queries in CSS.
if (Modernizr.mq('(max-width: 767px)')) {
...
How can I create a simple message box in Python?
...)
response = pymsgbox.prompt('What is your name?')
Full documentation at http://pymsgbox.readthedocs.org/en/latest/
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Change a Rails application to production
... your Rails project, rails s, and get a development version of your app at http://something.com:3000. Production mode is a little trickier to configure.
I've been messing around with this for a while, so I figured I'd write this up for the newbies (such as myself). There are a few little tweaks whi...
Save image from URL by paperclip
...self.picture = open(url)
end
end
Then simply :
user.picture_from_url "http://www.google.com/images/logos/ps_logo2.png"
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How do I pass a class as a parameter in Java?
...e through an interface. here's one of dozens of articles on that pattern: http://today.java.net/pub/a/today/2005/03/09/factory.html
using a class within a factory can be accomplished in a variety of ways, most notably by having a config file that contains the name of the class that implements the ...