大约有 25,300 项符合查询结果（耗时：0.0530秒） [XML]
Python vs Bash - In which kind of tasks each one outruns the other performance-wise? [closed]
...usually faster. I even found this that claims that you can see an improvement of over 2000% on dictionary-based operations.
...
Why is Go so slow (compared to Java)?
As we could see from The Computer Language Benchmarks Game in 2010:
10 Answers
10
...
IOException: read failed, socket might closed - Bluetooth on Android 4.3
...h Android 4.3 (Build JWR66Y, I guess the second 4.3 update). I have seen some related postings (e.g. https://stackoverflow.com/questions/13648373/bluetoothsocket-connect-throwing-exception-read-failed ), but none seems to provide a workaround for this issue. Also, as suggested in these threads, re-...
Why use getters and setters/accessors?
...sors rather than directly exposing fields of a class - beyond just the argument of encapsulation and making future changes easier.
Here are the some of the reasons I am aware of:
Encapsulation of behavior associated with getting or setting the property - this allows additional functionality (lik...
Difference between classification and clustering in data mining? [closed]
Can someone explain what the difference is between classification and clustering in data mining?
21 Answers
...
Simple argparse example wanted: 1 argument, 3 results
The documentation for the argparse python module , while excellent I'm sure, is too much for my tiny beginner brain to grasp right now. I don't need to do math on the command line or meddle with formatting lines on the screen or change option characters. All I want to do is "If arg is A, do this...
Why is SELECT * considered harmful?
Why is SELECT * bad practice? Wouldn't it mean less code to change if you added a new column you wanted?
15 Answers
...
How to load/edit/run/save text files (.py) into an IPython notebook cell?
...h the magic command %load.
If you execute a cell containing:
%load filename.py
the content of filename.py will be loaded in the next cell. You can edit and execute it as usual.
To save the cell content back into a file add the cell-magic %%writefile filename.py at the beginning of the cell and ...
Why is using the rails default_scope often recommend against?
Everywhere on the internet people mention that using the rails default_scope is a bad idea, and the top hits for default_scope on stackoverflow are about how to overwrite it. This feels messed up, and merits an explicit question (I think).
...
What exactly is RESTful programming?
...rchitecture does not require these "pretty URLs". A GET request with a parameter
http://myserver.com/catalog?item=1729
is every bit as RESTful.
Keep in mind that GET requests should never be used for updating information. For example, a GET request for adding an item to a cart
http://myserver.c...