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What do all of Scala's symbolic operators mean?
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Every Scala code has three automatic imports:
// Not necessarily in this order
import _root_.java.lang._ // _root_ denotes an absolute path
import _root_.scala._
import _root_.scala.Predef._
The first two only make classes and singleton objects available. The third one contains all implicit...
How to find Unused Amazon EC2 Security groups
... Display Security Groups left to audit / delete
echo "select * from groups order by groupid" | mysql $DBCONFIG $DB | sed 's/groupid\t/groupid\t\t/'
And here is the sql to create the database.
-- MySQL dump 10.13 Distrib 5.5.41, for debian-linux-gnu (x86_64)
--
-- Host: localhost Database: aws...
What is a Python equivalent of PHP's var_dump()? [duplicate]
...want an official string representation of some object - you use repr(). In order to have non-official (read human-readable) you can always force conversion to string: str(object), which produces info similar to php's print_r() (used much more ofter for debugging than var_dump).
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TDD/BDD screencast/video resources [closed]
...st posted a series of videos on TDD
The videos are meant to be watched in order.
GettingStarted
Adding Basic Operators
Removing Duplication
Extracting to Strategy
Removing Duplication via
Refactoring or Removing
Duplication via Tdd using
Mockito
Introducing an Abstract Factory
Adding a Sum operat...
Best practices for exception management in Java or C# [closed]
...ion handling should be something around these guidelines, in no particular order:
For the sake of maintainability, always log exceptions so that when you start seeing bugs, the log will assist in pointing you to the place your bug has likely started. Never leave printStackTrace() or the likes of i...
How should I have explained the difference between an Interface and an Abstract class?
...errors therefore, a default method added with a required implementation in order that the existing implementation should not be changed.
The Iterable Interface with the Default method
Why (0-6) is -6 = False? [duplicate]
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Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity.
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Difference between git pull and git pull --rebase
...ashing" (meaning that the patch-ids of the commits changed, not just their order).
Which means git pull --rebase has to do a little bit more than that. Here's an explanation of what it does and how.
Let's say your starting point is this:
a---b---c---d---e (origin/foo) (also your local "foo")
Time ...
How to get the name of the current method from code [duplicate]
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+1 because using reflection is several order of magnitude faster than using StackTrace.
– Giuseppe Romagnuolo
Feb 7 '14 at 22:53
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ASP.NET MVC JsonResult Date Format
...ionary, that is it takes an object and serializes to a Json dictionary. In order to make the object serialize to a string it requires a bit of hackery, see post. This particular hack will also escape the string.
public class CustomJsonResult : JsonResult
{
private const string _dateFormat = "yy...