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Search and replace a line in a file in Python
...he contents of a text file and do a search and replace on some lines and write the result back to the file. I could first load the whole file in memory and then write it back, but that probably is not the best way to do it.
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How to override the copy/deepcopy operations for a Python object?
... , decimal.py , and fractions.py ), but I'm still not 100% sure I've got it right.
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Difference Between Cohesion and Coupling
.... Low cohesion would mean that the class does a great variety of actions - it is broad, unfocused on what it should do. High cohesion means that the class is focused on what it should be doing, i.e. only methods relating to the intention of the class.
Example of Low Cohesion:
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Force R not to use exponential notation (e.g. e+10)?
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This is a bit of a grey area. You need to recall that R will always invoke a print method, and these print methods listen to some options. Including 'scipen' -- a penalty for scientific display. From help(options):
‘scipen’: i...
Enabling WiFi on Android Emulator
...ndroid emulator? I have tried to find this but everyone is confusing WiFi with 3G.
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UnicodeEncodeError: 'ascii' codec can't encode character u'\xa0' in position 20: ordinal not in rang
I'm having problems dealing with unicode characters from text fetched from different web pages (on different sites). I am using BeautifulSoup.
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When should null values of Boolean be used?
...n in a database, for example). The null value might mean "we don't know if it's true or false" in this context.
each time a method needs an Object as argument, and you need to pass a boolean value. For example, when using reflection or methods like MessageFormat.format().
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Solution to INSTALL_FAILED_INSUFFICIENT_STORAGE error on Android [closed]
...INSUFFICIENT_STORAGE error is the bane of every Android developer's life. It happens regardless of app size, or how much storage is available. Rebooting the target device fixes the problem briefly, but it soon comes back. There are hundreds (if not thousands) of message board posts from people aski...
How do I close an open port from the terminal on the Mac?
...do lsof -i :5955
Kill the process which is currently using the port using its PID
sudo kill -9 PID
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Setting the zoom level for a MKMapView
...hows correctly, the only thing I want to do now is set the zoom level when it loads. Is there a way to do this?
15 Answers
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