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How to access object attribute given string corresponding to name of that attribute
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Note: This answer is very outdated. It applies to Python 2 using the new module that was deprecated in 2008.
There is python built in functions setattr and getattr. Which can used to set and get the attribute of an class.
A brief example:
>>> from new import classo...
Regular expression to match a dot
...est.this" from "blah blah blah test.this@gmail.com blah blah" is? Using Python.
6 Answers
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How to get IP address of the device from code?
...mment block in getMACAddress() which could read the value from the special Linux(Android) file. I've run this code only on few devices and Emulator but let me know here if you find weird results.
// AndroidManifest.xml permissions
<uses-permission android:name="android.permission.INTERNET" />...
Difference between CR LF, LF and CR line break types?
...ne. This character is used as a new line character in UNIX based systems (Linux, Mac OSX, etc)
The End of Line (EOL) sequence (0x0D 0x0A, \r\n) is actually two ASCII characters, a combination of the CR and LF characters. It moves the cursor both down to the next line and to the beginning of that ...
Check if element is visible in DOM
...ght || e.getClientRects().length );
}
Works like a charm in my Win/IE10, Linux/Firefox.45, Linux/Chrome.52...
Many thanks to jQuery without jQuery!
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Is it possible to do a sparse checkout without checking out the whole repository first?
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With git version 1.7.2.5 on linux, I got the following results: echo 'dir/*' checks out only the files in dir/ but not in its subdirs; echo 'dir/' (no asterix!) correctly checks out the whole tree under dir/. HTH
– pavek
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How to step back in Eclipse debugger?
...freezing eclipse due to lack of resources. Diver could be tricky to run on linux 64bit, it works on ubuntu 32bit and possibly other 32bit distros using these tips. Diver works on Windows, better yet on a Windows 64bit + 64bit JVM otherwise you will be limited to a maximum heap space of 1.3-1.6Gb on ...
How to run Django's test database only in memory?
...create a separate settings file for tests and use it in test command e.g.
python manage.py test --settings=mysite.test_settings myapp
It has two benefits:
You don't have to check for test or any such magic word in sys.argv, test_settings.py can simply be
from settings import *
# make tests f...
Lock, mutex, semaphore… what's the difference?
...gle process. This depends on the pshared argument provided to sem_init.
python (threading.py)
A lock (threading.RLock) is mostly the same as C/C++ pthread_mutex_ts. Both are both reentrant. This means they may only be unlocked by the same thread that locked it. It is the case that sem_t semapho...
How to get a reference to a module inside the module itself?
...ler:
current_module = __import__(__name__)
Be aware there is no import. Python imports each module only once.
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