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CSS \9 in width property
...ls wide.
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EDIT:
This answer was written in 2011. It should now be noted that this hack also works in IE 10.
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What happens to C# Dictionary lookup if the key does not exist?
...corresponding value
}
else
{
// Key wasn't in dictionary; "value" is now 0
}
(Using ContainsKey and then the the indexer makes it look the key up twice, which is pretty pointless.)
Note that even if you were using reference types, checking for null wouldn't work - the indexer for Dictionary...
Comparing two java.util.Dates to see if they are in the same day
...
This uses an external dependency... but it's good to know for the future.
– Jason S
Mar 25 '10 at 18:06
20
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How does the getView() method work when creating your own custom adapter?
... one. You see, getView() is called everytime an item in the list is drawn. Now, before the item can be drawn, it has to be created. Now convertView basically is the last used view to draw an item. In getView() you inflate the xml first and then use findByViewID() to get the various UI elements of th...
Android ViewPager with bottom dots
...upvoted before I ask the question, because it already helped me a lot, but now I wish I can apvote +2 or +100 :) because adding the onPageChangeListener worked perfectly for me! And just to make it clear for anyone that may use this, you need to do your updates on the onPageSelected callback only, a...
How to use gitignore command in git
...nch on github and it pushed all the library and documents into the github. Now what can I do and how can I use gitignore command to avoid the same mistake again.
...
Best practices to handle routes for STI subclasses in rails
...rson < Contact
def self.model_name
Contact.model_name
end
end
Now url_for @person will map to contact_path as expected.
How it works: URL helpers rely on YourModel.model_name to reflect upon the model and generate (amongst many things) singular/plural route keys. Here Person is basical...
How does the keyword “use” work in PHP and can I import classes with it?
...you have two classes with the same name, put them in different namespaces. Now consider when your auto loader is loading both classes (does by require), and you are about to use object of class. In this case, the compiler will get confused which class object to load among two. To help the compiler m...
SSL certificate rejected trying to access GitHub over HTTPS behind firewall
...nd corkscrew <proxyhost> <proxyport> %h %p ~/.ssh/proxy_auth
now you can test it works by ssh-ing to gitproxy
pti@pti-laptop:~$ ssh github.com
PTY allocation request failed on channel 0
Hi ptillemans! You've successfully authenticated, but GitHub does not provide shell access.
...
Redirect stderr and stdout in Bash
... 2>&1
echo "This line will appear in $LOG_FILE, not 'on screen'"
Now, simple echo will write to $LOG_FILE. Useful for daemonizing.
To the author of the original post,
It depends what you need to achieve. If you just need to redirect in/out of a command you call from your script, the answ...