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How can I add the sqlite3 module to Python?
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if your python3 is built from source manually , and meet this error, you should install sqlite-devel package first, then rebuild python3.
– ngn999
Mar 28 '16 at 1:28
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Iterate through every file in one directory
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Dir has also shorter syntax to get an array of all files from directory:
Dir['dir/to/files/*'].each do |fname|
# do something with fname
end
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Difference between HashMap, LinkedHashMap and TreeMap
...based maps. In the context of the Java API,
Hashtable is an obsolete class from the days of Java 1.1 before the collections framework existed. It should not be used anymore, because its API is cluttered with obsolete methods that duplicate functionality, and its methods are synchronized (which can d...
Android: Is it possible to display video thumbnails?
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how about if video from a URL?
– jayellos
Nov 21 '12 at 6:52
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What is the difference between Int and Integer?
...r)
<interactive>:3:2:
No instance for (Bounded Integer) arising from a use of `minBound'
Possible fix: add an instance declaration for (Bounded Integer)
In the expression: minBound
In the expression: (minBound, maxBound) :: (Integer, Integer)
In an equation for `it':
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Django using get_user_model vs settings.AUTH_USER_MODEL
...butes, as well as if you want to define a ForeignKey/ManyToMany-relation.
From the changelog:
get_user_model() can now be called at import time, even in modules that define models.
so... is there still a reason to use settings.AUTH_USER_MODEL? Well, the docs still recommend the settings.AUTH_...
OO Design in Rails: Where to put stuff
...ontroller" paradigm, and intermediate developers hastily excise everything from their controllers and throw it into the model, which starts to become a new trash can for application logic.
Skinny controllers are, in fact, a good idea, but the corollary--putting everything in the model, isn't really...
Should methods that throw RuntimeException indicate it in method signature?
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From the Oracle Java tutorial:
"If it's so good to document a method's API, including the exceptions
it can throw, why not specify runtime exceptions too?" Runtime
exceptions represent problems that are the result of ...
Is there a command to list all Unix group names? [closed]
... @zed cut is another command which extracts the specific column from an input. Here I'm extracting field 1 where fields are delimited by :
– Arpit
Feb 1 '17 at 10:40
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How do I get the last day of a month?
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@Henk Actually I pulled this from a place in our source that creates the DateTime from the lastDayOfMonth. Honestly either way works perfectly well. It's a pedantic argument which way is better. I've done it both ways and both yield the same answer.
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