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SQLAlchemy: What's the difference between flush() and commit()?
What the difference is between flush() and commit() in SQLAlchemy?
5 Answers
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How to make Visual Studio copy a DLL file to the output directory?
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Use a post-build action in your project, and add the commands to copy the offending DLL. The post-build action are written as a batch script.
The output directory can be referenced as $(OutDir). The project directory is available as $(ProjDir). Try to use relative pathes wh...
Converting PKCS#12 certificate into PEM using OpenSSL
...t newfile.pem
If you need to input the PKCS#12 password directly from the command line (e.g. a script), just add -passin pass:${PASSWORD}:
openssl pkcs12 -in path.p12 -out newfile.crt.pem -clcerts -nokeys -passin 'pass:P@s5w0rD'
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mongodb count num of distinct values per field/key
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MongoDB has a distinct command which returns an array of distinct values for a field; you can check the length of the array for a count.
There is a shell db.collection.distinct() helper as well:
> db.countries.distinct('country');
[ "Spain", "...
Does Django scale? [closed]
... and 2.500.000 Users
Disqus: Serving 400 million people with Python.
curse.com: 600k daily visits.
tabblo.com: 44k daily visits, see Ned Batchelder's posts Infrastructure for modern web sites.
chesspark.com: Alexa rank about 179k.
pownce.com (no longer active): alexa rank about 65k.
Mike Malone of P...
throw checked Exceptions from mocks with Mockito
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extra: Mocktio will not complain if you doThrow an a method without any throwables, but you will also get this exception
– dwana
Sep 25 '15 at 7:36
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Why is '+' not understood by Python sets?
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Combining C++ and C - how does #ifdef __cplusplus work?
...act. I understand that by wrapping the C code with extern "C" the C++ compiler will not mangle the C code's names, but I'm not entirely sure how to implement this.
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