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What do the &,
Up until now I have only used database.yml with each parameter called out explicitly, in the file below it uses some characters I do not understand. What does each line and symbol(&,*,
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Update MongoDB field using value of another field
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For a database with high activity, you may run into issues where your updates affect actively changing records and for this reason I recommend using snapshot()
db.person.find().snapshot().forEach( function (hombre) {
hombre.name ...
python: Change the scripts working directory to the script's own directory
...1: working = sys.argv[1]
os.chdir( working )
Do not "assume" a directory based on the location of your software. It will not work out well in the long run.
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How to copy directories in OS X 10.7.3?
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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How to concatenate strings in django templates?
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Use with:
{% with "shop/"|add:shop_name|add:"/base.html" as template %}
{% include template %}
{% endwith %}
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What is the best way to prevent session hijacking?
... backward) ISP would change the IP of the user's browser from time-to-time based on re-routing their users' connections. This made the REMOTE_ADDR check return false negatives for us.
– goofballLogic
Aug 20 '15 at 15:36
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Multiprocessing - Pipe vs Queue
...ow you to increase the size of a file, but the maximum size allowed varies based on system configurations. You should therefore never rely on Pipe() to buffer data. Calls to connection.send could block until data gets read from the pipe somehwere else.
In conclusion, Queue is a better choice than ...
Which MySQL data type to use for storing boolean values
...istinguishing between a NULL and an empty string. Even some relational databases (e.g. Oracle) don't distinguish between a zero-length string and a NULL.
– spencer7593
Jun 10 '15 at 14:15
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R apply function with multiple parameters
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Private and protected constructor in Scala
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