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How to remove a field completely from a MongoDB document?
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The solution for PyMongo (Python mongo):
db.example.update({}, {'$unset': {'tags.words':1}}, multi=True);
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static files with express.js
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this is the equivalent in python of __file__ which you use with os.path.dirname(os.path.realpath(__file__))
– Abdelouahab
Nov 12 '14 at 1:28
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Deleting a Google App Engine application
...fixed; see the docs here:
https://cloud.google.com/appengine/docs/standard/python/console/?csw=1#delete_app
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What's the best Django search app? [closed]
... agree, the latest version of haystack (2.1) is not working at all with my python 2.7 version of django 1.4.
– Chris Hawkes
Aug 18 '13 at 2:13
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ZSH complains about RVM __rvm_cleanse_variables: function definition file not found
...ting them at every login.
(source: http://www.csse.uwa.edu.au/programming/linux/zsh-doc/zsh_23.html)
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error: 'Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (2)' — Miss
...rocess. How you do this will vary by system.
If you're super user in the linux system, try one of the following if you don't know the specific method your Mysql setup uses:
service mysqld stop
/etc/init.d/mysqld stop
mysqladmin -u root -p shutdown
Some systems aren't setup to have an elegant way...
How to get all files under a specific directory in MATLAB?
...onds.
Positive:
Very fast (in my case for a database of 18000 files on linux).
You can use well tested solutions.
You do not need to learn or reinvent a new syntax to select i.e. *.wav files.
Negative:
You are not system independent.
You rely on a single string which may be hard to parse.
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How do I install a module globally using npm?
... idea if the module contains compiled binary: it have to be re-compiled on linux and windows properly. I think such kind of modules have to be set using NODE_PATH environment vriable (nodejs.org/api/…)
– Sneg
Dec 1 '12 at 15:25
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Hidden features of C
...r, but you can give branch indication hints to the compiler (common in the Linux kernel)
#define likely(x) __builtin_expect((x),1)
#define unlikely(x) __builtin_expect((x),0)
see: http://kerneltrap.org/node/4705
What I like about this is that it also adds some expressiveness to some fu...
How to change JFrame icon [duplicate]
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Jython is Python implemented with java
– otterb
Jan 3 '17 at 9:46
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