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Really Cheap Command-Line Option Parsing in Ruby
... Seriously. It boggles the mind.
Why should I have to make a module that extends some other module to parse options? Why should I have to subclass anything? Why should I have to subscribe to some "framework" just to parse the command line?
Here's the Trollop version of the above:
opts = Trollop::...
Multiple inheritance for an anonymous class
...lass implement two (or more) interfaces? Alternatively, how can it both extend a class and implement an interface?
For example, I want to create an object of anonymous class that extends two interfaces:
...
Should I use Python 32bit or Python 64bit
...s depending on what you are storing in RAM (Integers in particular).
For example if your app requires > 2GB of RAM, so you switch from 32bit to 64bit you may find that your app is now requiring > 4GB of RAM.
Check whether all of your 3rd party modules are available in 64 bit, otherwise it ma...
error: ‘NULL’ was not declared in this scope
...
@ManofOneWay No, it exists in Java, it's just spelled with all lowercase instead of capitals.
– Ataraxia
Mar 17 '13 at 4:08
8
...
Flask-SQLAlchemy import/context issue
...ne file. Simply import the db variable into each of your model modules.
Example
# apps.shared.models
from flask_sqlalchemy import SQLAlchemy
db = SQLAlchemy()
# apps.members.models
from apps.shared.models import db
class Member(db.Model):
# TODO: Implement this.
pass
# apps.repo...
Runtime vs. Compile time
...
The difference between compile time and run time is an example of what pointy-headed theorists call the phase distinction. It is one of the hardest concepts to learn, especially for people without much background in programming languages. To approach this problem, I find it help...
How do I break out of a loop in Scala?
...eater than 1000. You try
var sum = 0
for (i <- 0 to 1000) sum += i
except you want to stop when (sum > 1000).
What to do? There are several options.
(1a) Use some construct that includes a conditional that you test.
var sum = 0
(0 to 1000).iterator.takeWhile(_ => sum < 1000).fore...
HTTP URL Address Encoding in Java
...
@Carlos Thx for the edit. Now it does escape but not correct escaping. It should be adding a % to the HEX value of char for Path params meaning é char should be converted to %e9
– fmucar
Jan 19 '...
Why can't overriding methods throw exceptions broader than the overridden method?
I was going through SCJP 6 book by Kathe sierra and came across this explanations of throwing exceptions in overridden method. I quite didn't get it. Can any one explain it to me ?
...
Is Dvorak typing appropriate for programming? [closed]
... since users of the dvorak keyboard layout have proven themselves to be flexible enough to adopt another layout, they can probably just as easily manage adapting to a personally tuned one - and to great effect? (just playing devil's advocate here)
– sehe
Nov 9 ...