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How to print a dictionary's key?
...n, an arbitrary number of keys. There is no "the key". You have the keys() method, which gives you a python list of all the keys, and you have the iteritems() method, which returns key-value pairs, so
for key, value in mydic.iteritems() :
print key, value
Python 3 version:
for key, value in ...
apache redirect from non www to www
...problem. Here is a simpler solution:
<VirtualHost *:80>
ServerName example.com
Redirect permanent / http://www.example.com/
</VirtualHost>
<VirtualHost *:80>
ServerName www.example.com
# real server configuration
</VirtualHost>
And then you'll have another...
How to check if a path is absolute path or relative path in cross platform way with Python?
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os.path.isabs returns True if the path is absolute, False if not. The documentation says it works in windows (I can confirm it works in Linux personally).
os.path.isabs(my_path)
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What is the default initialization of an array in Java?
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Everything in a Java program not explicitly set to something by the programmer, is initialized to a zero value.
For references (anything that holds an object) that is null.
For int/short/byte/long that is a 0.
For float/double that is a 0.0
For booleans that is a false.
For...
Easy way to convert Iterable to Collection
...s.newArrayList(Iterable) or Sets.newHashSet(Iterable), among other similar methods. This will of course copy all the elements in to memory. If that isn't acceptable, I think your code that works with these ought to take Iterable rather than Collection. Guava also happens to provide convenient method...
How to get a microtime in Node.js?
How can I get the most accurate time stamp in Node.js?
13 Answers
13
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Code coverage for Jest
Is there a way to have code coverage in the Javascript Jest testing framework that is built on top of Jasmine?
8 Answers
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View/edit ID3 data for MP3 files
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Can anybody tell me how to set Artist property? There are a lot of related properties (FirstArtist, Artist, JointedArtists, FirstPerformer) and almost all of them are read-only or deprecated...
– Laserson
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What happens if you don't commit a transaction to a database (say, SQL Server)?
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mmm, ok I figure out this was creating some sort of lock. I wasn't sure that closing the connection would actually get me out of this state. the problem was that I was getting an error when I try to commit. now I closed the connection and it all worked.
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How can I create a border around an Android LinearLayout?
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The trick here is actually the <padding>, took me a while to find why my shape did not work. With padding it works fine.
– John
Mar 27 '14 at 18:50
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