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jQuery: count number of rows in a table
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Use a selector that will select all the rows and take the length.
var rowCount = $('#myTable tr').length;
Note: this approach also counts all trs of every nested table!
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What is the standard Python docstring format? [closed]
...the main used formats for docstrings.
- Epytext
Historically a javadoc like style was prevalent, so it was taken as a base for Epydoc (with the called Epytext format) to generate documentation.
Example:
"""
This is a javadoc style.
@param param1: this is a first param
@param param2: this is a s...
Rails where condition using NOT NIL
...s.id' => nil)
Foo.includes(:bar).where.not(bars: { id: nil })
When working with scopes between tables, I prefer to leverage merge so that I can use existing scopes more easily.
Foo.includes(:bar).merge(Bar.where.not(id: nil))
Also, since includes does not always choose a join strategy, you s...
How to get the seconds since epoch from the time + date output of gmtime()?
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nmichaelsnmichaels
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Is there an advantage to use a Synchronized Method instead of a Synchronized Block?
...any one tell me the advantage of synchronized method over synchronized block with an example?
23 Answers
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How to use RSpec's should_raise with any kind of exception?
I'd like to do something like this:
5 Answers
5
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How to import existing *.sql files in PostgreSQL 8.4?
... psql -f $f ; done
Here's the documentation of the psql application (thanks, Frank): http://www.postgresql.org/docs/current/static/app-psql.html
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Switch case with fallthrough?
I am looking for the correct syntax of the switch statement with fallthrough cases in Bash (ideally case-insensitive).
In PHP I would program it like:
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Microsoft CDN for jQuery or Google CDN? [closed]
Does it actually matter which CDN you use to link to your jquery file or any javascript file for that matter. Is one potentially faster than the other? What other factors could play a role in which cdn you decide to use? I know that Microsoft, Yahoo, and Google all have CDN's now.
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How to avoid having class data shared among instances?
... self.list = []
Declaring the variables inside the class declaration makes them "class" members and not instance members. Declaring them inside the __init__ method makes sure that a new instance of the members is created alongside every new instance of the object, which is the behavior you're lo...