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Python vs Bash - In which kind of tasks each one outruns the other performance-wise? [closed]
Obviously Python is more user friendly, a quick search on google shows many results that say that, as Python is byte-compiled is usually faster. I even found this that claims that you can see an improvement of over 2000% on dictionary-based operations.
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Difference between classification and clustering in data mining? [closed]
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Thanks for reply. So as I understand. In classification I have examples and I qroup these examples into one or another class. But in clustering I have examples but have not classes where to group examples. So in clustering based on e...
What is the difference between integration and unit tests?
...e key difference, to me, is that integration tests reveal if a feature is working or is broken, since they stress the code in a scenario close to reality. They invoke one or more software methods or features and test if they act as expected.
On the opposite, a Unit test testing a single method reli...
How to effectively work with multiple files in Vim
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With :tabe <filepath> you can add a new tab; and with a regular :q or :wq you close a tab.
If you map :tabn and :tabp to your F7/F8 keys you can easily switch between files.
If there are not that many files or you don't have Vim 7 you can also split your screen in multiple files: :sp <fi...
Explicitly select items from a list or tuple
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list( myBigList[i] for i in [87, 342, 217, 998, 500] )
I compared the answers with python 2.5.2:
19.7 usec: [ myBigList[i] for i in [87, 342, 217, 998, 500] ]
20.6 usec: map(myBigList.__getitem__, (87, 342, 217, 998, 500))
22.7 usec: itemg...
How to check if all list items have the same value and return it, or return an “otherValue” if they
...l, but First() would be evaluated n times, doubling execution time.
To incorporate the "empty set" behavior specified in the comments, you simply add one more line before the two above:
if(yyy == null || !yyy.Any()) return otherValue;
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mysqli_fetch_assoc() expects parameter / Call to a member function bind_param() errors. How to get t
In my local/development environment, the MySQLi query is performing OK. However, when I upload it on my web host environment, I get this error:
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What HTTP status response code should I use if the request is missing a required parameter?
...nderstands the content type of the request entity (hence a
415(Unsupported Media Type) status code is inappropriate), and the
syntax of the request entity is correct (thus a 400 (Bad Request)
status code is inappropriate) but was unable to process the contained
instructions. ...
Simple Getter/Setter comments
... you use to comment getters and setters? This is something I've wondered for quite some time, for instance:
14 Answers
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How can I add or update a query string parameter?
...avascript how can I add a query string parameter to the url if not present or if it present, update the current value? I am using jquery for my client side development.
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