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Ruby: extend self
...ways helps to think of extend as include inside the singleton class (also known as meta or eigen class).
You probably know that methods defined inside the singleton class are basically class methods:
module A
class << self
def x
puts 'x'
end
end
end
A.x #=> 'x'
Now th...
Git will not init/sync/update new submodules
...command. If there is an entry of your submodule in the config result, then now the usual git submodule update --init should pull your submodule. To test this step, you can manually rename the submodule and then updating the submodule.
mv yourmodulename yourmodulename-temp
git submodule update --...
How can I pass selected row to commandLink inside dataTable or ui:repeat?
...r read. I used method 5 because I'm forced to use servlet 2.5. My question now is if it's possible to send a parameter with commandLink (like in your example) but using ajax?
– Aditzu
Dec 5 '14 at 7:46
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What are some good Python ORM solutions? [closed]
...leaner syntax and is easier to write for (ActiveRecord pattern). I don't know about performance differences.
SQLAlchemy also has a declarative layer that hides some complexity and gives it a ActiveRecord-style syntax more similar to the Django ORM.
I wouldn't worry about Django being "too heavy."...
Insert Update trigger how to determine if insert or update
... I was creating separate Triggers for insert ,update and delete .Now its great to know they can be combined !
– UJS
Nov 16 '17 at 6:12
2
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Can a project have multiple origins?
...rebase/push on there behalf by using there fork and are able to merge code now, not tomorrow).
– Benoit Drapeau
Oct 20 '17 at 3:04
...
What is the meaning of single and double underscore before an object name?
...but rather the ("organizing") public methods such as put and get (this is known as the Template Method design pattern -- see e.g. here for an interesting presentation based on a video of a talk of mine on the subject, with the addition of synopses of the transcript).
Edit: The video links in the de...
What is the difference between the remap, noremap, nnoremap and vnoremap mapping commands in Vim?
... not to gg) because j will not be expanded for the non-recursive mapping.
Now remember that Vim is a modal editor. It has a normal mode, visual mode and other modes.
For each of these sets of mappings, there is a mapping that works in normal, visual, select and operator modes (:map and :noremap), ...
Why do we need fibers
...niteSeries.new.take(10) # => [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
I don't know if this uses fibers under the hood, but it could. Fibers can be used to implement infinite lists and lazy evaluation of a series. For an example of some lazy methods defined with Enumerators, I have defined some here: htt...
SQL Server Installation - What is the Installation Media Folder?
...
I ran into this just now with SQL Server 2014 SP1. The installer gave me the exact same problem and I followed suggestions from other answers to this question, but it got me nowhere.
In the end I figured out that I needed to download and install...