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Generator Expressions vs. List Comprehension
When should you use generator expressions and when should you use list comprehensions in Python?
9 Answers
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Python Sets vs Lists
...cture is more efficient/speedy? Assuming that order is not important to me and I would be checking for duplicates anyway, is a Python set slower than a Python list?
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How do I get the path and name of the file that is currently executing?
...vide an example? I've answered similar question using inspect.getabsfile() and it worked for all cases that I've tried.
– jfs
Apr 5 '14 at 17:04
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The model backing the context has changed since the database was created
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I've changed my production db manually and turned off the migration and it works, Thanks
– Mohsen Afshin
Sep 10 '12 at 21:05
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How to fix .pch file missing on build?
...es,
select All Configurations from the drop-down menu.
Open the C/C++ tree and select Precompiled Headers
Precompiled Header: Select Use (/Yu)
Fill in the Precompiled Header File field. Standard is stdafx.h
Click Okay
If you do not have stdafx.h in your Header Files put it there. Edit
it to #include...
#ifdef replacement in the Swift language
...ifferent value when in Debug or when in Release.
I tested it in real code and it works; it doesn't seem to be recognized in a playground though.
You can read my original post here.
IMPORTANT NOTE: -DDEBUG=1 doesn't work. Only -D DEBUG works. Seems compiler is ignoring a flag with a specific val...
Simulating Slow Internet Connection
...ndows, fiddler is a great tool. It has a setting to simulate modem speed, and for someone who wants more control has a plugin to add latency to each request.
I prefer using a tool like this to putting latency code in my application as it is a much more realistic simulation, as well as not making m...
Templated check for the existence of a class member function?
...:value << std::endl;
return 0;
}
I've just tested it with Linux and gcc 4.1/4.3. I don't know if it's portable to other platforms running different compilers.
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git: abort commit in the middle of typing message
.... If you previously saved the file to its original path, delete everything and write the empty file first (an empty commit message will abort the commit).
Now, when you're ready to commit "for reals", use the message file you saved at the alternate path.
Alternately, copy the commit message into o...
Unable to generate an explicit migration in entity framework
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It tells you that there is some unprocessed migration in your application and it requires running Update-Database before you can add another migration.
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