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Build vs new in Rails 3
...rm.client.new is creating a new Client object from the clients collection, and so it can automatically set the firm_id to some_firm.id, whereas the docs are calling Client.new which has no knowledge of any Firm's id at all, so it needs the firm_id passed to it.
The only difference between some_firm...
Identifying and removing null characters in UNIX
...nulls
If you are wondering if input redirection in the middle of the command arguments works, it does. Most shells will recognize and deal with I/O redirection (<, >, …) anywhere in the command line, actually.
shar...
Safe characters for friendly url [closed]
I need to make a website that will have articles, and I would like to make friendly URLs for it, example the URL of the page with
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How to configure MongoDB Java driver MongoOptions for production use?
...or best practices for configuring MongoOptions for the MongoDB Java driver and I haven't come up with much other than the API. This search started after I ran into the "com.mongodb.DBPortPool$SemaphoresOut: Out of semaphores to get db
connection" error and by increasing the connections/multiplier I...
Why would a JavaScript variable start with a dollar sign? [duplicate]
... dom object itself
I find this to be very helpful in writing jQuery code and makes it easy to see jQuery objects which have a different set of properties.
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Round to 5 (or other number) in Python
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I don't know of a standard function in Python, but this works for me:
Python 2
def myround(x, base=5):
return int(base * round(float(x)/base))
Python3
def myround(x, base=5):
return base * round(x/base)
It is easy to see why the a...
Call by name vs call by value in Scala, clarification needed
As I understand it, in Scala, a function may be called either
16 Answers
16
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Difference of Maven JAXB plugins
...-plugin,
the development is active. Finally,
I'm one of the authors :) and I'd say
we keep in touch with JAXB developers
and users and react to the latests
features/requests.
And indeed, the plugin #2 isn't very active (dead?). And because I've always been happy with #1, I've never used ...
To ternary or not to ternary? [closed]
...ve come across many programmers that are completely against ever using it, and some that use it too often.
54 Answers
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How to get number of entries in a Lua table?
...ind an answer. The Lua # operator only counts entries with integer keys, and so does table.getn :
8 Answers
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