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Difference between Bridge pattern and Adapter pattern
...nsane number of classes. Let's say you have:
MemoryMappedFile and DirectReadFile types of file objects. Let's say you want to be able to read files from various sources (Maybe Linux vs. Windows implementations, etc.). Bridge helps you avoid winding up with:
MemoryMappedWindowsFile
MemoryMapp...
What is the Python 3 equivalent of “python -m SimpleHTTPServer”
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Sure, just tack it on the end of the command line. Read python3 -m http.server --help for all the args & options.
– Petr Viktorin
Jun 4 '14 at 18:51
30
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Write a program to find 100 largest numbers out of an array of 1 billion numbers
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I'd like this answer enough to extend it. Read the numbers one time through to get the min/max values so that you can assume distribution. Then, take one of two options. If the range is small enough, build an array where you can simply check off numbers as they occ...
What's the difference between the various methods to get a Context?
...on, you
usually have two kinds of Context,
Activity and Application.
Reading the article a little bit further tells about the difference between the two and when you might want to consider using the application Context (Activity.getApplicationContext()) rather than using the Activity context t...
C dynamically growing array
I have a program that reads a "raw" list of in-game entities, and I intend to make an array holding an index number (int) of an indeterminate number of entities, for processing various things. I would like to avoid using too much memory or CPU for keeping such indexes...
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Why doesn't println! work in Rust unit tests?
... cargo test -- --no-capture no longer works. I get the following error: thread '<main>' panicked at '"Unrecognized option: \'no-capture\'."', ../src/libtest/lib.rs:249
– Nashenas
Jul 15 '15 at 17:50
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LEFT OUTER joins in Rails 3
...you're using it in. The Rails guide explains it better than I could if you read the entirety of section 12: guides.rubyonrails.org/…
– WuTangTan
Feb 20 '13 at 15:50
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What scalability problems have you encountered using a NoSQL data store? [closed]
... too much for the small server which hosted the traceback logger (it was already an old server, which was only used for development purposes).
At this time CouchDB was rather popular, and so I decided to try it out and write a small traceback-logger with it. The new logger only consisted of a singl...
What does the “at” (@) symbol do in Python?
...he beginning of a line is used for class, function and method decorators.
Read more here:
PEP 318: Decorators
Python Decorators
The most common Python decorators you'll run into are:
@property
@classmethod
@staticmethod
If you see an @ in the middle of a line, that's a different thing, matri...
How to get unique device hardware id in Android? [duplicate]
...Add this is manifest
<uses-permission android:name="android.permission.READ_PHONE_STATE"/>
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