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What is Express.js?
...deling) to provide a backend for your Node.js application. Express.js basically helps you manage everything, from routes, to handling requests and views.
Redis is a key/value store -- commonly used for sessions and caching in Node.js applications. You can do a lot more with it, but that's what I'm ...
Eclipse jump to closing brace
...: as mentioned by Romaintaz below, you can also get Eclipse to auto-select all of the code between two curly braces simply by double-clicking to the immediate right of a opening brace.
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impro...
What's “requestCode” used for on PendingIntent?
... the documentation doesn't say anything about it? Is it possible to remove all alarms of a certain type, no matter what is the requestCode?
– android developer
Feb 3 '14 at 12:36
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Extracting text from HTML file using Python
...'d like to extract the text from an HTML file using Python. I want essentially the same output I would get if I copied the text from a browser and pasted it into notepad.
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Why can't Python find shared objects that are in directories in sys.path?
...le LD_LIBRARY_PATH works on many
Unix-like systems, it doesn't work on
all; for example, this functionality
is available on HP-UX but as the
environment variable SHLIB_PATH, and
on AIX this functionality is through
the variable LIBPATH (with the same
syntax, a colon-separated list).
...
To Workflow or Not to Workflow?
... match, so no problems there.
Regarding your concerns you are right. Basically WF4 is a new product and is lacking some important features and has some rough edges. There is a learning curve, you do have to do some things differently. The main point is long running and serialization, which is somet...
How dangerous is it to access an array out of bounds?
... repeatedly accessing a single memory location in a tight loop could literally cause that chunk of memory to melt. Other possibilities include destroying a CRT display, and moving the read/write head of a disk drive with the harmonic frequency of the drive cabinet, causing it to walk across a table...
Rails: How do I create a default value for attributes in Rails activerecord's model? [duplicate]
...
add_column :status, :string, :default => "P"
....
OR
You can use a callback, before_save
class Task < ActiveRecord::Base
before_save :default_values
def default_values
self.status ||= 'P' # note self.status = 'P' if self.status.nil? might be safer (per @frontendbeauty)
end
end
...
Map vs Object in JavaScript
...stored at a key. Because of this, Objects have been used as Maps
historically; however, there are important differences between Objects
and Maps that make using a Map better.
An Object has a prototype, so there are default keys in the map.
However, this can be bypassed using map = Object....
MVC pattern on Android
... means a part of the Activity instantiation. You CAN (but do not have to) call various Activity methods that interact with your views when and if you see fit. Second question: Assuming Activity is intended to take the "controller" role (I believe many Android devs see it that way) why not talk to yo...